Ronette L Kolotkin | Scholars@Duke

Ronette L Kolotkin
Consulting Professor in the Department of Family Medicine and Community Health

Research and practicing psychologist

Developer of Impact of Weight on Quality of Life assessment tools for adults with obesity (IWQOL-Lite© and IWQOL-Lite-CT©) and adolescents with obesity (IWQOL-Kids©).

Consultant to pharmaceutical companies, universities and other organizations

Clinical trials for pharmacological, surgical and other treatments of obesity and related illnesses
Development and testing of products and materials for persons with obesity
Assessment and interpretation of quality of life data

Current Appointments & Affiliations

Consulting Professor in the Department of Family Medicine and Community Health, Family Medicine and Community Health, Diet & Fitness Center, Family Medicine and Community Health 2009

Contact Information

732 Ninth Street, Unit 563, Durham, NC 27705
Duke Box 3829, Durham, NC 27710
(919) 493-9995
Quality of Life Consulting, PLLC

Background
Education, Training, & Certifications
- Ph.D., University of Minnesota, Twin Cities 1978
Previous Appointments & Affiliations
- Associate Consulting Professor in Community and Family Medicine, Family Medicine and Community Health, Diet & Fitness Center, Family Medicine and Community Health 2006 - 2009
- Adjunct Assistant Professor in Community and Family Medicine, Family Medicine and Community Health, Diet & Fitness Center, Family Medicine and Community Health 2004 - 2006
- Adjunct Assistant Professor in Psychiatry and Behavioral Sciences, Psychiatry & Behavioral Sciences, Medical Psychology, Psychiatry & Behavioral Sciences 2000 - 2001
- Assistant Clinical Professor in Community and Family Medicine, Family Medicine and Community Health, Clinical Science Departments 1994 - 2000
- Assistant Clinical Professor in Psychiatry and Behavioral Sciences, Psychiatry & Behavioral Sciences, Medical Psychology, Psychiatry & Behavioral Sciences 1994 - 2000
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Nielsen, Hans Jørgen, Bjørn Gunnar Nedrebø, Alexander Fosså, John Roger Andersen, Jörg Assmus, Vigdis Halvorsen Dagsland, Simon Nitter Dankel, et al. “Seven-year trajectories of body weight, quality of life and comorbidities following Roux-en-Y gastric bypass and sleeve gastrectomy.” Int J Obes (Lond) 46, no. 4 (April 2022): 739–49. https://doi.org/10.1038/s41366-021-01028-5.
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  - Berge, Jarle, Jøran Hjelmesæth, Ronette L. Kolotkin, Øyvind Støren, Solfrid Bratland-Sanda, Jens Kristoffer Hertel, Espen Gjevestad, Milada Cvancarova Småstuen, Jan Helgerud, and Tomm Bernklev. “Effect of aerobic exercise intensity on health-related quality of life in severe obesity: a randomized controlled trial.” Health Qual Life Outcomes 20, no. 1 (February 24, 2022): 34. https://doi.org/10.1186/s12955-022-01940-y.
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  - Mabey, Jacob G., Ronette L. Kolotkin, Ross D. Crosby, Sheila E. Crowell, Steven C. Hunt, and Lance E. Davidson. “Mediators of suicidality 12 years after bariatric surgery relative to a nonsurgery comparison group.” Surg Obes Relat Dis 17, no. 1 (January 2021): 121–30. https://doi.org/10.1016/j.soard.2020.08.026.
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  - Lorentzen, Jolanta, Asle W. Medhus, Jens Kristoffer Hertel, Heidi Borgeraas, Tor-Ivar Karlsen, Ronette L. Kolotkin, Rune Sandbu, et al. “Erosive Esophagitis and Symptoms of Gastroesophageal Reflux Disease in Patients with Morbid Obesity with and without Type 2 Diabetes: a Cross-sectional Study.” Obes Surg 30, no. 7 (July 2020): 2667–75. https://doi.org/10.1007/s11695-020-04545-w.
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  - Hegland, Pål André, Anny Aasprang, Ronette L. Kolotkin, Christian Moltu, Grethe S. Tell, and John Roger Andersen. “A novel patient-reported outcome monitoring with clinical feedback system in bariatric surgery care: study protocol, design and plan for evaluation.” Bmj Open 10, no. 6 (June 22, 2020): e037685. https://doi.org/10.1136/bmjopen-2020-037685.
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  - Hegland, Pål André, Anny Aasprang, Ronette L. Kolotkin, Grethe S. Tell, and John Roger Andersen. “Overall Treatment Satisfaction 5 Years After Bariatric Surgery.” Obes Surg 30, no. 1 (January 2020): 206–13. https://doi.org/10.1007/s11695-019-04141-7.
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  - Flølo, Tone Nygaard, Grethe S. Tell, Ronette L. Kolotkin, Anny Aasprang, Tone Merete Norekvål, Villy Våge, Karl Ove Hufthammer, and John Roger Andersen. “Changes in quality of life 5 years after sleeve gastrectomy: a prospective cohort study.” Bmj Open 9, no. 9 (September 12, 2019): e031170. https://doi.org/10.1136/bmjopen-2019-031170.
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  - Aasprang, Anny, Villy Våge, Tone Nygard Flølo, Pål Andre Hegland, Ronette Kolotkin, Gerd Karin Natvig, and John Roger Andersen. “Patient-reported quality of life with obesity - development of a new measurement scale.” Tidsskr nor Laegeforen 139, no. 11 (August 20, 2019). https://doi.org/10.4045/tidsskr.18.0493.
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  - Borgeraas, Heidi, Jøran Hjelmesæth, Kåre Inge Birkeland, Farhat Fatima, John Olav Grimnes, Hanne L. Gulseth, Erling Halvorsen, et al. “Single-centre, triple-blinded, randomised, 1-year, parallel-group, superiority study to compare the effects of Roux-en-Y gastric bypass and sleeve gastrectomy on remission of type 2 diabetes and β-cell function in subjects with morbid obesity: a protocol for the Obesity surgery in Tønsberg (Oseberg) study.” Bmj Open 9, no. 6 (June 4, 2019): e024573. https://doi.org/10.1136/bmjopen-2018-024573.
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  - Kolotkin, Ronette L., Valerie S. L. Williams, Claire M. Ervin, Nicole Williams, Henrik H. Meincke, Shanshan Qin, Lisa von Huth Smith, and Sheri E. Fehnel. “Validation of a new measure of quality of life in obesity trials: Impact of Weight on Quality of Life-Lite Clinical Trials Version.” Clin Obes 9, no. 3 (June 2019): e12310. https://doi.org/10.1111/cob.12310.
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  - Look, Michelle, Ronette L. Kolotkin, Nikhil V. Dhurandhar, Joseph Nadglowski, Boris Stevenin, and Angela Golden. “Implications of differing attitudes and experiences between providers and persons with obesity: results of the national ACTION study.” Postgrad Med 131, no. 5 (June 2019): 357–65. https://doi.org/10.1080/00325481.2019.1620616.
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  - Steffen, K. J., W. C. King, G. E. White, L. L. Subak, J. E. Mitchell, A. P. Courcoulas, D. R. Flum, et al. “Changes in Sexual Functioning in Women and Men in the 5 Years after Bariatric Surgery.” Obstetrical and Gynecological Survey 74, no. 6 (June 1, 2019): 339–40. https://doi.org/10.1097/01.ogx.0000558119.60813.03.
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  - Steffen, Kristine J., Wendy C. King, Gretchen E. White, Leslee L. Subak, James E. Mitchell, Anita P. Courcoulas, David R. Flum, et al. “Changes in Sexual Functioning in Women and Men in the 5 Years After Bariatric Surgery.” Jama Surg 154, no. 6 (June 1, 2019): 487–98. https://doi.org/10.1001/jamasurg.2018.1162.
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  - Benestad, B., T. I. Karlsen, M. C. Småstuen, S. Lekhal, J. K. Hertel, S. Steinsbekk, R. L. Kolotkin, R. A. Ødegård, and J. Hjelmesæth. “Health-related quality of life after camp-based family obesity treatment: An RCT.” Bmj Paediatrics Open 3, no. 1 (April 1, 2019). https://doi.org/10.1136/bmjpo-2018-000413.
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  - Resaland, G. K., E. Aadland, V. F. Moe, R. L. Kolotkin, S. A. Anderssen, and J. R. Andersen. “Effects of a physical activity intervention on schoolchildren's health-related quality of life: The active smarter kids (ASK) cluster-randomized controlled trial.” Preventive Medicine Reports 13 (March 1, 2019): 1–4. https://doi.org/10.1016/j.pmedr.2018.11.002.
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  - Flølo, Tone Nygaard, Grethe S. Tell, Ronette L. Kolotkin, Anny Aasprang, Tone M. Norekvål, Villy Våge, and John R. Andersen. “Eating self-efficacy as predictor of long-term weight loss and obesity-specific quality of life after sleeve gastrectomy: A prospective cohort study.” Surg Obes Relat Dis 15, no. 2 (February 2019): 161–67. https://doi.org/10.1016/j.soard.2018.12.011.
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  - Hegland, P. A., A. Aasprang, S. Hjelle Øygard, S. Nordberg, R. Kolotkin, C. Moltu, G. S. Tell, and J. R. Andersen. “A review of systematic reviews on the effects of patient-reported outcome monitoring with clinical feedback systems on health-related quality of life-implications for a novel technology in obesity treatment.” Clin Obes 8, no. 6 (December 2018): 452–64. https://doi.org/10.1111/cob.12277.
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  - Kolotkin, Ronette L., Jaewhan Kim, Lance E. Davidson, Ross D. Crosby, Steven C. Hunt, and Ted D. Adams. “12-year trajectory of health-related quality of life in gastric bypass patients versus comparison groups.” Surg Obes Relat Dis 14, no. 9 (September 2018): 1359–65. https://doi.org/10.1016/j.soard.2018.04.019.
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  - Svanevik, Marius, Hilde Risstad, Tor-Ivar Karlsen, Jon A. Kristinsson, Milada Cvancarova Småstuen, Ronette L. Kolotkin, Torgeir T. Søvik, Rune Sandbu, Tom Mala, and Jøran Hjelmesæth. “Patient-Reported Outcome Measures 2 Years After Standard and Distal Gastric Bypass-a Double-Blind Randomized Controlled Trial.” Obes Surg 28, no. 3 (March 2018): 606–14. https://doi.org/10.1007/s11695-017-2891-3.
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  - Kolotkin, R. L., B. Gabriel Smolarz, H. H. Meincke, and K. Fujioka. “Improvements in health-related quality of life over 3 years with liraglutide 3.0 mg compared with placebo in participants with overweight or obesity.” Clin Obes 8, no. 1 (February 2018): 1–10. https://doi.org/10.1111/cob.12226.
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  - Kaplan, Lee M., Angela Golden, Kimberly Jinnett, Ronette L. Kolotkin, Theodore K. Kyle, Michelle Look, Joseph Nadglowski, et al. “Perceptions of Barriers to Effective Obesity Care: Results from the National ACTION Study.” Obesity (Silver Spring) 26, no. 1 (January 2018): 61–69. https://doi.org/10.1002/oby.22054.
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  - Andersen, John Roger, Gerd Karin Natvig, Eivind Aadland, Vegard Fusche Moe, Ronette L. Kolotkin, Sigmund A. Anderssen, and Geir Kåre Resaland. “Associations between health-related quality of life, cardiorespiratory fitness, muscle strength, physical activity and waist circumference in 10-year-old children: the ASK study.” Qual Life Res 26, no. 12 (December 2017): 3421–28. https://doi.org/10.1007/s11136-017-1634-1.
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  - Kolotkin, R. L., R. D. Crosby, and Z. Wang. “Health-related quality of life in randomized controlled trials of lorcaserin for obesity management: what mediates improvement?” Clin Obes 7, no. 6 (December 2017): 347–53. https://doi.org/10.1111/cob.12207.
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  - Mason, Tyler B., Ross D. Crosby, Ronette L. Kolotkin, Carlos M. Grilo, James E. Mitchell, Stephen A. Wonderlich, Scott J. Crow, and Carol B. Peterson. “Correlates of weight-related quality of life among individuals with binge eating disorder before and after cognitive behavioral therapy.” Eat Behav 27 (December 2017): 1–6. https://doi.org/10.1016/j.eatbeh.2017.08.001.
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  - Kolotkin, R. L., C. M. Ervin, H. H. Meincke, L. Højbjerre, and S. E. Fehnel. “Development of a clinical trials version of the Impact of Weight on Quality of Life-Lite questionnaire (IWQOL-Lite Clinical Trials Version): results from two qualitative studies.” Clin Obes 7, no. 5 (October 2017): 290–99. https://doi.org/10.1111/cob.12197.
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  - Kolotkin, R. L., and J. R. Andersen. “A systematic review of reviews: exploring the relationship between obesity, weight loss and health-related quality of life.” Clin Obes 7, no. 5 (October 2017): 273–89. https://doi.org/10.1111/cob.12203.
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  - Adams, Ted D., Lance E. Davidson, Sheldon E. Litwin, Jaewhan Kim, Ronette L. Kolotkin, M Nazeem Nanjee, Jonathan M. Gutierrez, et al. “Weight and Metabolic Outcomes 12 Years after Gastric Bypass.” N Engl J Med 377, no. 12 (September 21, 2017): 1143–55. https://doi.org/10.1056/NEJMoa1700459.
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  - Flølo, Tone Nygaard, John R. Andersen, Ronette L. Kolotkin, Anny Aasprang, Gerd K. Natvig, Karl O. Hufthammer, and Villy Våge. “Five-Year Outcomes After Vertical Sleeve Gastrectomy for Severe Obesity: A Prospective Cohort Study.” Obes Surg 27, no. 8 (August 2017): 1944–51. https://doi.org/10.1007/s11695-017-2605-x.
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  - Steffen, Kristine J., Wendy C. King, Gretchen E. White, Leslee L. Subak, James E. Mitchell, Anita P. Courcoulas, David R. Flum, et al. “Sexual functioning of men and women with severe obesity before bariatric surgery.” Surg Obes Relat Dis 13, no. 2 (February 2017): 334–43. https://doi.org/10.1016/j.soard.2016.09.022.
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  - Aasprang, Anny, John Roger Andersen, Villy Våge, Ronette Kolotkin, and Gerd Karin Natvig. “Ten-year changes in health-related quality of life after biliopancreatic diversion with duodenal switch.” Surg Obes Relat Dis 12, no. 8 (September 2016): 1594–1600. https://doi.org/10.1016/j.soard.2016.04.030.
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  - Errickson, Sadye Paez, Ronette L. Kolotkin, Megan Simmons Skidmore, Gerald Endress, Truls Østbye, Ross Crosby, and Howard Eisenson. “Improvements in Functional Exercise Capacity after a Residential Behavioural Change, Diet and Fitness Program for Obese Adults.” Physiother Res Int 21, no. 2 (June 2016): 84–90. https://doi.org/10.1002/pri.1623.
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  - Kolotkin, Ronette L., Kishore M. Gadde, Craig A. Peterson, and Ross D. Crosby. “Health-related quality of life in two randomized controlled trials of phentermine/topiramate for obesity: What mediates improvement?” Qual Life Res 25, no. 5 (May 2016): 1237–44. https://doi.org/10.1007/s11136-015-1153-x.
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  - Kolotkin, R. L., S. Chen, P. Klassen, K. Gilder, and F. L. Greenway. “Patient-reported quality of life in a randomized placebo-controlled trial of naltrexone/bupropion for obesity.” Clin Obes 5, no. 5 (October 2015): 237–44. https://doi.org/10.1111/cob.12108.
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  - Yancy, William S., Stephanie B. Mayer, Cynthia J. Coffman, Valerie A. Smith, Ronette L. Kolotkin, Paula J. Geiselman, Megan A. McVay, Eugene Z. Oddone, and Corrine I. Voils. “Effect of Allowing Choice of Diet on Weight Loss: A Randomized Trial.” Ann Intern Med 162, no. 12 (June 16, 2015): 805–14. https://doi.org/10.7326/M14-2358.
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  - Andersen, John Roger, Anny Aasprang, Tor-Ivar Karlsen, Gerd Karin Natvig, Villy Våge, and Ronette L. Kolotkin. “Health-related quality of life after bariatric surgery: a systematic review of prospective long-term studies.” Surg Obes Relat Dis 11, no. 2 (March 2015): 466–73. https://doi.org/10.1016/j.soard.2014.10.027.
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  - Aasprang, A., J. R. Andersen, V. Våge, R. L. Kolotkin, and G. K. Natvig. “Psychosocial functioning before and after surgical treatment for morbid obesity: Reliability and validation of the Norwegian version of obesity-related problemscale.” Peerj 2015, no. 9 (January 1, 2015). https://doi.org/10.7717/peerj.1275.
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  - Jepsen, Randi, Eivind Aadland, Lesley Robertson, Ronette L. Kolotkin, John Roger Andersen, and Gerd Karin Natvig. “Physical activity and quality of life in severely obese adults during a two-year lifestyle intervention programme.” J Obes 2015 (2015): 314194. https://doi.org/10.1155/2015/314194.
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  - McVay, Megan A., Corrine I. Voils, Cynthia J. Coffman, Paula J. Geiselman, Ronette L. Kolotkin, Stephanie B. Mayer, Valerie A. Smith, Leslie Gaillard, Marsha J. Turner, and William S. Yancy. “Factors associated with choice of a low-fat or low-carbohydrate diet during a behavioral weight loss intervention.” Appetite 83 (December 2014): 117–24. https://doi.org/10.1016/j.appet.2014.08.023.
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  - Strain, G. W., R. L. Kolotkin, G. F. Dakin, M. Gagner, W. B. Inabnet, P. Christos, T. Saif, R. Crosby, and A. Pomp. “The effects of weight loss after bariatric surgery on health-related quality of life and depression.” Nutrition and Diabetes 4, no. 9 (January 1, 2014). https://doi.org/10.1038/nutd.2014.29.
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  - Aasprang, Anny, John Roger Andersen, Villy Våge, Ronette L. Kolotkin, and Gerd K. Natvig. “Five-year changes in health-related quality of life after biliopancreatic diversion with duodenal switch.” Obes Surg 23, no. 10 (October 2013): 1662–68. https://doi.org/10.1007/s11695-013-0994-z.
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  - Yancy, William S., Cynthia J. Coffman, Paula J. Geiselman, Ronette L. Kolotkin, Daniel Almirall, Eugene Z. Oddone, Stephanie B. Mayer, et al. “Considering patient diet preference to optimize weight loss: design considerations of a randomized trial investigating the impact of choice.” Contemp Clin Trials 35, no. 1 (May 2013): 106–16. https://doi.org/10.1016/j.cct.2013.03.002.
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  - Caixàs, Assumpta, Albert Lecube, María-José Morales, Alfonso Calañas, José Moreiro, Fernando Cordido, María-Jesús Díaz, et al. “Weight-related quality of life in Spanish obese subjects suitable for bariatric surgery is lower than in their North American counterparts: a case-control study.” Obes Surg 23, no. 4 (April 2013): 509–14. https://doi.org/10.1007/s11695-012-0791-0.
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  - Kolotkin, Ronette L., Christie Zunker, and Truls Østbye. “Sexual functioning and obesity: a review.” Obesity (Silver Spring) 20, no. 12 (December 2012): 2325–33. https://doi.org/10.1038/oby.2012.104.
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  - Adams, Ted D., Lance E. Davidson, Sheldon E. Litwin, Ronette L. Kolotkin, Michael J. LaMonte, Robert C. Pendleton, Michael B. Strong, et al. “Health benefits of gastric bypass surgery after 6 years.” Jama 308, no. 11 (September 19, 2012): 1122–31. https://doi.org/10.1001/2012.jama.11164.
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  - Cox, Tiffany L., Jamy D. Ard, T Mark Beasley, Jose R. Fernandez, Virginia J. Howard, Ronnete L. Kolotkin, Ross D. Crosby, and Olivia Affuso. “Examining the Association Between Body Mass Index and Weight Related Quality of Life in Black and White Women.” Appl Res Qual Life 7, no. 3 (September 2012): 309–22. https://doi.org/10.1007/s11482-011-9160-8.
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  - Kolotkin, Ronette L., Lance E. Davidson, Ross D. Crosby, Steven C. Hunt, and Ted D. Adams. “Six-year changes in health-related quality of life in gastric bypass patients versus obese comparison groups.” Surg Obes Relat Dis 8, no. 5 (September 2012): 625–33. https://doi.org/10.1016/j.soard.2012.01.011.
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  - Ranzenhofer, Lisa M., Kelli M. Columbo, Marian Tanofsky-Kraff, Lauren B. Shomaker, Omni Cassidy, Brittany E. Matheson, Ronette L. Kolotkin, et al. “Binge eating and weight-related quality of life in obese adolescents.” Nutrients 4, no. 3 (March 2012): 167–80. https://doi.org/10.3390/nu4030167.
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  - Vasiljevic, Nadja, Sonja Ralevic, Ronette L. Kolotkin, Jelena Marinkovic, and Jagoda Jorga. “The Relationship Between Weight Loss and Health-related Quality of Life in a Serbian Population.” Eur Eat Disord Rev 20, no. 2 (March 2012): 162–68. https://doi.org/10.1002/erv.1114.
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  - Vieira, Paulo N., António L. Palmeira, Jutta Mata, Ronette L. Kolotkin, Marlene N. Silva, Luís B. Sardinha, and Pedro J. Teixeira. “Usefulness of standard BMI cut-offs for quality of life and psychological well-being in women.” Obes Facts 5, no. 6 (2012): 795–805. https://doi.org/10.1159/000345778.
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  - Kolotkin, Ronette L., Michael J. LaMonte, James M. Walker, Tom V. Cloward, Lance E. Davidson, and Ross D. Crosby. “Predicting sleep apnea in bariatric surgery patients.” Surg Obes Relat Dis 7, no. 5 (September 2011): 605–10. https://doi.org/10.1016/j.soard.2011.04.226.
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  - Fezzi, Margherita, Ronnette L. Kolotkin, Marius Nedelcu, Audrey Jaussent, Roxane Schaub, Marie Aude Chauvet, Claire Cassafieres, et al. “Improvement in quality of life after laparoscopic sleeve gastrectomy.” Obes Surg 21, no. 8 (August 2011): 1161–67. https://doi.org/10.1007/s11695-011-0361-x.
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  - Nadeau, Kristen, Ronette L. Kolotkin, Rebecca Boex, Teresa Witten, Kim K. McFann, Phil Zeitler, and Natalie Walders-Abramson. “Health-related quality of life in adolescents with comorbidities related to obesity.” J Adolesc Health 49, no. 1 (July 2011): 90–92. https://doi.org/10.1016/j.jadohealth.2010.10.005.
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  - Hammoud, Ahmad O., James M. Walker, Mark Gibson, Tom V. Cloward, Steven C. Hunt, Ronette L. Kolotkin, Ted D. Adams, and A Wayne Meikle. “Sleep apnea, reproductive hormones and quality of sexual life in severely obese men.” Obesity (Silver Spring) 19, no. 6 (June 2011): 1118–23. https://doi.org/10.1038/oby.2010.344.
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  - Kolotkin, Ronette L., Michael J. LaMonte, Sheldon Litwin, Ross D. Crosby, Richard E. Gress, Frank G. Yanowitz, Steven C. Hunt, and Ted D. Adams. “Cardiorespiratory fitness and health-related quality of life in bariatric surgery patients.” Obes Surg 21, no. 4 (April 2011): 457–64. https://doi.org/10.1007/s11695-010-0261-5.
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  - Mueller, A., C. Holzapfel, H. Hauner, R. D. Crosby, S. G. Engel, B. Mühlhans, R. L. Kolotkin, J. E. Mitchell, T. Horbach, and M de Zwaan. “Psychometric evaluation of the German version of the impact of weight on Quality of Life-Lite (IWQOL-Lite) questionnaire.” Exp Clin Endocrinol Diabetes 119, no. 2 (February 2011): 69–74. https://doi.org/10.1055/s-0030-1261922.
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  - Ostbye, Truls, Ronette L. Kolotkin, Hong He, Francine Overcash, Rebecca Brouwer, Martin Binks, Karen L. Syrjala, and Kishore M. Gadde. “Sexual functioning in obese adults enrolling in a weight loss study.” J Sex Marital Ther 37, no. 3 (2011): 224–35. https://doi.org/10.1080/0092623X.2011.564530.
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  - Strain, Gladys Witt, Lucy Faulconbridge, Ross D. Crosby, Ronette L. Kolotkin, Laura Heacock, Michel Gagner, Gregory Dakin, and Alfons Pomp. “Health-related quality of life does not vary among patients seeking different surgical procedures to assist with weight loss.” Surg Obes Relat Dis 6, no. 5 (September 2010): 521–25. https://doi.org/10.1016/j.soard.2010.03.291.
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  - Hermansen, Kjeld, Ronette L. Kolotkin, Mette Hammer, Milan Zdravkovic, and David Matthews. “Patient-reported outcomes in patients with type 2 diabetes treated with liraglutide or glimepiride, both as add-on to metformin.” Prim Care Diabetes 4, no. 2 (July 2010): 113–17. https://doi.org/10.1016/j.pcd.2010.04.001.
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  - Wachholtz, Amy, Martin Binks, Howard Eisenson, Ronette Kolotkin, and Ayako Suzuki. “Does pain predict interference with daily functioning and weight loss in an obese residential treatment-seeking population?” Int J Behav Med 17, no. 2 (June 2010): 118–24. https://doi.org/10.1007/s12529-010-9088-7.
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  - A Mariano, M. H. de, R. L. Kolotkin, K. Petribú, M. de N L Ferreira, R. F. Dutra, M. V. G. Barros, N. C. Almeida, et al. “Psychometric evaluation of a Brazilian version of the impact of weight on quality of life (IWQOL-Lite) instrument.” Eur Eat Disord Rev 18, no. 1 (January 2010): 58–66. https://doi.org/10.1002/erv.969.
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  - Adams, Ted D., Robert C. Pendleton, Michael B. Strong, Ronette L. Kolotkin, James M. Walker, Sheldon E. Litwin, Wael K. Berjaoui, et al. “Health outcomes of gastric bypass patients compared to nonsurgical, nonintervened severely obese.” Obesity (Silver Spring) 18, no. 1 (January 2010): 121–30. https://doi.org/10.1038/oby.2009.178.
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  - Wouters, E. J. M., A. M. A. Van Nunen, R. Geenen, R. L. Kolotkin, and A. J. J. M. Vingerhoets. “Effects of aquajogging in obese adults: A pilot study.” Journal of Obesity 2010 (January 1, 2010). https://doi.org/10.1155/2010/231074.
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  - Wouters, E. J. M., R. Geenen, R. L. Kolotkin, and A. J. J. M. Vingerhoets. “Body-weight-related quality of life in adolescents: Psychometric quality of the Dutch translation of the verse IWQOL-Kids.” Tijdschrift Voor Kindergeneeskunde 78, no. 3 (January 1, 2010): 119–25. https://doi.org/10.1007/bf03089888.
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  - Zabelina, Darya L., Ann L. Erickson, Ronette L. Kolotkin, and Ross D. Crosby. “The effect of age on weight-related quality of life in overweight and obese individuals.” Obesity (Silver Spring) 17, no. 7 (July 2009): 1410–13. https://doi.org/10.1038/oby.2009.43.
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  - Kolotkin, Ronette L., Josephine M. Norquist, Ross D. Crosby, Shailaja Suryawanshi, Pedro J. Teixeira, Steven B. Heymsfield, Ngozi Erondu, and Allison M. Nguyen. “One-year health-related quality of life outcomes in weight loss trial participants: comparison of three measures.” Health Qual Life Outcomes 7 (June 9, 2009): 53. https://doi.org/10.1186/1477-7525-7-53.
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  - Hammoud, Ahmad, Mark Gibson, Steven C. Hunt, Ted D. Adams, Douglass T. Carrell, Ronette L. Kolotkin, and A Wayne Meikle. “Effect of Roux-en-Y gastric bypass surgery on the sex steroids and quality of life in obese men.” J Clin Endocrinol Metab 94, no. 4 (April 2009): 1329–32. https://doi.org/10.1210/jc.2008-1598.
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  - Yancy, William S., Daniel Almirall, Matthew L. Maciejewski, Ronette L. Kolotkin, Jennifer R. McDuffie, and Eric C. Westman. “Effects of two weight-loss diets on health-related quality of life.” Qual Life Res 18, no. 3 (April 2009): 281–89. https://doi.org/10.1007/s11136-009-9444-8.
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  - Kolotkin, Ronette L., Ross D. Crosby, Richard E. Gress, Steven C. Hunt, and Ted D. Adams. “Two-year changes in health-related quality of life in gastric bypass patients compared with severely obese controls.” Surg Obes Relat Dis 5, no. 2 (March 2009): 250–56. https://doi.org/10.1016/j.soard.2009.01.009.
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  - Quinlan, Nicole P., Ronette L. Kolotkin, Bernard F. Fuemmeler, and Philip R. Costanzo. “Psychosocial outcomes in a weight loss camp for overweight youth.” Int J Pediatr Obes 4, no. 3 (2009): 134–42. https://doi.org/10.1080/17477160802613372.
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  - Kolotkin, Ronette L., Patricia K. Corey-Lisle, Ross D. Crosby, Hong J. Kan, and Robert D. McQuade. “Changes in weight and weight-related quality of life in a multicentre, randomized trial of aripiprazole versus standard of care.” Eur Psychiatry 23, no. 8 (December 2008): 561–66. https://doi.org/10.1016/j.eurpsy.2008.01.1421.
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  - Kolotkin, R. L., M. Binks, R. D. Crosby, T. Østbye, J. E. Mitchell, and G. Hartley. “Improvements in sexual quality of life after moderate weight loss.” Int J Impot Res 20, no. 5 (September 2008): 487–92. https://doi.org/10.1038/ijir.2008.32.
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  - Kolotkin, Ronette L., Ross D. Crosby, Richard E. Gress, Steven C. Hunt, Scott G. Engel, and Ted D. Adams. “Health and health-related quality of life: differences between men and women who seek gastric bypass surgery.” Surg Obes Relat Dis 4, no. 5 (September 2008): 651–58. https://doi.org/10.1016/j.soard.2008.04.012.
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  - Loux, Tara J., Ramanath N. Haricharan, Ronald H. Clements, Ronette L. Kolotkin, Samuel E. Bledsoe, Beverly Haynes, Teresa Leath, and Carroll M. Harmon. “Health-related quality of life before and after bariatric surgery in adolescents.” J Pediatr Surg 43, no. 7 (July 2008): 1275–79. https://doi.org/10.1016/j.jpedsurg.2008.02.078.
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  - Kolotkin, Ronette L., Patricia K. Corey-Lisle, Ross D. Crosby, Jodi M. Swanson, Anne V. Tuomari, Gilbert J. L’italien, and James E. Mitchell. “Impact of obesity on health-related quality of life in schizophrenia and bipolar disorder.” Obesity (Silver Spring) 16, no. 4 (April 2008): 749–54. https://doi.org/10.1038/oby.2007.133.
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  - Kolotkin, Ronette L., Ross D. Crosby, Patricia K. Corey-Lisle, Hong Li, and Jodi M. Swanson. “Performance of a weight-related measure of Quality of Life in a psychiatric sample.” Qual Life Res 15, no. 4 (May 2006): 587–96. https://doi.org/10.1007/s11136-005-4627-4.
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  - Kolotkin, Ronette L., Martin Binks, Ross D. Crosby, Truls Østbye, Richard E. Gress, and Ted D. Adams. “Obesity and sexual quality of life.” Obesity (Silver Spring) 14, no. 3 (March 2006): 472–79. https://doi.org/10.1038/oby.2006.62.
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  - Kolotkin, Ronette L., Meg Zeller, Avani C. Modi, Gregory P. Samsa, Nicole Polanichka Quinlan, Jack A. Yanovski, Stephen K. Bell, David M. Maahs, Daniela Gonzales de Serna, and Helmut R. Roehrig. “Assessing weight-related quality of life in adolescents.” Obesity (Silver Spring) 14, no. 3 (March 2006): 448–57. https://doi.org/10.1038/oby.2006.59.
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  - Engel, Scott G., David A. Wittrock, Ross D. Crosby, Stephen A. Wonderlich, James E. Mitchell, and Ronette L. Kolotkin. “Development and psychometric validation of an eating disorder-specific health-related quality of life instrument.” Int J Eat Disord 39, no. 1 (January 2006): 62–71. https://doi.org/10.1002/eat.20200.
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  - Maahs, David, Daniela Gonzalez de Serna, Ronette L. Kolotkin, Shawn Ralston, Jeffrey Sandate, Clifford Qualls, and David S. Schade. “Randomized, double-blind, placebo-controlled trial of orlistat for weight loss in adolescents.” Endocr Pract 12, no. 1 (January 2006): 18–28. https://doi.org/10.4158/EP.12.1.18.
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  - Adams, Ted D., Erick Avelar, Tom Cloward, Ross D. Crosby, Robert J. Farney, Richard Gress, R Chad Halverson, et al. “Design and rationale of the Utah obesity study. A study to assess morbidity following gastric bypass surgery.” Contemp Clin Trials 26, no. 5 (October 2005): 534–51. https://doi.org/10.1016/j.cct.2005.05.003.
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  - Fallon, Erica M., Marian Tanofsky-Kraff, Anne-Caroline Norman, Jennifer R. McDuffie, Erica D. Taylor, Marc L. Cohen, Deborah Young-Hyman, Margaret Keil, Ronette L. Kolotkin, and Jack A. Yanovski. “Health-related quality of life in overweight and nonoverweight black and white adolescents.” J Pediatr 147, no. 4 (October 2005): 443–50. https://doi.org/10.1016/j.jpeds.2005.05.039.
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  - Engel, S. G., R. L. Kolotkin, P. J. Teixeira, L. B. Sardinha, P. N. Vieira, A. L. Palmeira, and R. D. Crosby. “Psychometric and cross-national evaluation of a Portuguese version of the Impact of Weight on Quality of Life-Lite (IWQOL-Lite) questionnaire.” European Eating Disorders Review 13, no. 2 (March 1, 2005): 133–43. https://doi.org/10.1002/erv.614.
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  - Crosby, Ross D., Ronette L. Kolotkin, and G Rhys Williams. “An integrated method to determine meaningful changes in health-related quality of life.” J Clin Epidemiol 57, no. 11 (November 2004): 1153–60. https://doi.org/10.1016/j.jclinepi.2004.04.004.
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  - Brazier, John E., Ronette L. Kolotkin, Ross D. Crosby, and G Rhys Williams. “Estimating a preference-based single index for the Impact of Weight on Quality of Life-Lite (IWQOL-Lite) instrument from the SF-6D.” Value Health 7, no. 4 (July 2004): 490–98. https://doi.org/10.1111/j.1524-4733.2004.74012.x.
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  - Kolotkin, Ronette L., Eric C. Westman, Truls Østbye, Ross D. Crosby, Howard J. Eisenson, and Martin Binks. “Does binge eating disorder impact weight-related quality of life?” Obes Res 12, no. 6 (June 2004): 999–1005. https://doi.org/10.1038/oby.2004.122.
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  - White, Marney A., Patrick M. O’Neil, Ronette L. Kolotkin, and T Karl Byrne. “Gender, race, and obesity-related quality of life at extreme levels of obesity.” Obes Res 12, no. 6 (June 2004): 949–55. https://doi.org/10.1038/oby.2004.116.
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  - Boan, Jarol, Ronette L. Kolotkin, Eric C. Westman, Ross L. McMahon, and John P. Grant. “Binge eating, quality of life and physical activity improve after Roux-en-Y gastric bypass for morbid obesity.” Obes Surg 14, no. 3 (March 2004): 341–48. https://doi.org/10.1381/096089204322917864.
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  - Engel, Scott G., Ross D. Crosby, Ronette L. Kolotkin, Guilford G. Hartley, G Rhys Williams, Stephen A. Wonderlich, and James E. Mitchell. “Impact of weight loss and regain on quality of life: mirror image or differential effect?” Obes Res 11, no. 10 (October 2003): 1207–13. https://doi.org/10.1038/oby.2003.166.
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  - Brewer, E. A., R. L. Kolotkin, and D. D. Baird. “The relationship between eating behaviors and obesity in African American and Caucasian women.” Eating Behaviors 4, no. 2 (August 1, 2003): 159–71. https://doi.org/10.1016/S1471-0153(03)00021-7.
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  - Kolotkin, Ronette L., Ross D. Crosby, and G Rhys Williams. “Assessing weight-related quality of life in obese persons with type 2 diabetes.” Diabetes Res Clin Pract 61, no. 2 (August 2003): 125–32. https://doi.org/10.1016/s0168-8227(03)00113-x.
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  - Kolotkin, Ronette L., Ross D. Crosby, Robert Pendleton, Michael Strong, Richard E. Gress, and Ted Adams. “Health-related quality of life in patients seeking gastric bypass surgery vs non-treatment-seeking controls.” Obes Surg 13, no. 3 (June 2003): 371–77. https://doi.org/10.1381/096089203765887688.
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  - Crosby, Ross D., Ronette L. Kolotkin, and G Rhys Williams. “Defining clinically meaningful change in health-related quality of life.” J Clin Epidemiol 56, no. 5 (May 2003): 395–407. https://doi.org/10.1016/s0895-4356(03)00044-1.
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  - Heshka, Stanley, James W. Anderson, Richard L. Atkinson, Frank L. Greenway, James O. Hill, Stephen D. Phinney, Ronette L. Kolotkin, Karen Miller-Kovach, and F Xavier Pi-Sunyer. “Weight loss with self-help compared with a structured commercial program: a randomized trial.” Jama 289, no. 14 (April 9, 2003): 1792–98. https://doi.org/10.1001/jama.289.14.1792.
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  - De Zwaan, Martina, James E. Mitchell, L Michael Howell, Nancy Monson, Lorraine Swan-Kremeier, James L. Roerig, Ronette L. Kolotkin, and Ross D. Crosby. “Two measures of health-related quality of life in morbid obesity.” Obes Res 10, no. 11 (November 2002): 1143–51. https://doi.org/10.1038/oby.2002.155.
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  - Kolotkin, Ronette L., Ross D. Crosby, and G Rhys Williams. “Health-related quality of life varies among obese subgroups.” Obes Res 10, no. 8 (August 2002): 748–56. https://doi.org/10.1038/oby.2002.102.
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  - Kolotkin, Ronette L., and Ross D. Crosby. “Psychometric evaluation of the impact of weight on quality of life-lite questionnaire (IWQOL-lite) in a community sample.” Qual Life Res 11, no. 2 (March 2002): 157–71. https://doi.org/10.1023/a:1015081805439.
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  - Kolotkin, R. L., K. Meter, and G. R. Williams. “Quality of life and obesity.” Obes Rev 2, no. 4 (November 2001): 219–29. https://doi.org/10.1046/j.1467-789x.2001.00040.x.
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  - Kolotkin, R. L., R. D. Crosby, G. R. Williams, G. G. Hartley, and S. Nicol. “The relationship between health-related quality of life and weight loss.” Obes Res 9, no. 9 (September 2001): 564–71. https://doi.org/10.1038/oby.2001.73.
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  - Samsa, G. P., R. L. Kolotkin, G. R. Williams, M. H. Nguyen, and C. M. Mendel. “Effect of moderate weight loss on health-related quality of life: an analysis of combined data from 4 randomized trials of sibutramine vs placebo.” Am J Manag Care 7, no. 9 (September 2001): 875–83.
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  - Kolotkin, R. L., R. D. Crosby, K. D. Kosloski, and G. R. Williams. “Development of a brief measure to assess quality of life in obesity.” Obes Res 9, no. 2 (February 2001): 102–11. https://doi.org/10.1038/oby.2001.13.
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  - Kolotkin, R. L., S. Head, and A. Brookhart. “Construct validity of the Impact of Weight on Quality of Life Questionnaire.” Obes Res 5, no. 5 (September 1997): 434–41. https://doi.org/10.1002/j.1550-8528.1997.tb00667.x.
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  - Kolotkin, R., S. Head, M. Hamilton, and C. K. Tse. “Quality-of-life Improvements may Enhance Effects of Modest Weight Loss.” Journal of the American Dietetic Association 95, no. 5 (May 1, 1995): 568. https://doi.org/10.1016/S0002-8223(95)00154-9.
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  - Kolotkin, R. L., S. Head, M. Hamilton, and C. K. Tse. “Assessing Impact of Weight on Quality of Life.” Obes Res 3, no. 1 (January 1995): 49–56. https://doi.org/10.1002/j.1550-8528.1995.tb00120.x.
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  - Kirkley, B. G., R. L. Kolotkin, J. T. Hernandez, and P. N. Gallagher. “A comparison of binge‐purgers, obese binge eaters, and obese nonbinge eaters on the MMPI.” International Journal of Eating Disorders 12, no. 2 (January 1, 1992): 221–28. https://doi.org/10.1002/1098-108X(199209)12:2<221::AID-EAT2260120212>3.0.CO;2-W.
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  - Kolotkin, R. L., E. S. Revis, B. G. Kirkley, and L. Janick. “Binge eating in obesity: associated MMPI characteristics.” J Consult Clin Psychol 55, no. 6 (December 1987): 872–76. https://doi.org/10.1037//0022-006x.55.6.872.
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  - Kolotkin, R. L., and J. M. Moore. “Attrition in a behavioral weight‐control program: A comparison of dropouts and completers.” International Journal of Eating Disorders 2, no. 3 (January 1, 1983): 93–100. https://doi.org/10.1002/1098-108X(198321)2:3<93::AID-EAT2260020309>3.0.CO;2-Y.
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  - Kolotkin, R. L., K. A. Billingham, and H. S. Feldman. “Computers in biofeedback research and therapy.” Behavior Research Methods &Amp; Instrumentation 13, no. 4 (July 1, 1981): 532–42. https://doi.org/10.3758/BF03202063.
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  - Butcher, J. N., and R. L. Kolotkin. “Evaluation of outcome in brief psychotherapy.” Psychiatric Clinics of North America 2, no. 1 (January 1, 1979): 157–69. https://doi.org/10.1016/s0193-953x(18)31031-1.
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  - Leon, G. R., R. Kolotkin, and G. Korgeski. “MacAndrew Addiction Scale and other MMPI characteristics associated with obesity, anorexia and smoking behavior.” Addict Behav 4, no. 4 (1979): 401–7. https://doi.org/10.1016/0306-4603(79)90011-x.
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  - Biskin, B. H., and R. L. Kolotkin. “Effects of Computerized Administration on Scores on the Minnesota Multiphasic Personality Inventory.” Applied Psychological Measurement 1, no. 4 (January 1, 1977): 543–49. https://doi.org/10.1177/014662167700100410.
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