Ronette "Ronnie" Kolotkin, Ph.D.

Primary developer of Impact of Weight on Quality of Life assessment tools :

• IWQOL-Lite© for adults with obesity
• IWQOL-Kids© for youth ages 11-19
• IWQOL-Lite-CT© for use in clinical trials

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
• Speaking engagements

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IWQOL-Lite©

Impact of Weight on Quality of Life-Lite (IWQOL-Lite) is a validated 31-item self-report measure of obesity-specific quality of life.

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IWQOL-Kids©

IWQOL-Kids is a validated 27-item measure of obesity-specific quality of life designed for adolescents aged 11 to 19. There is also a parent form. 

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IWQOL-Lite-Clinical Trials©

The IWQOL-Clinical Trials is a validated 22-item measure of obesity-specific quality of life optimized for use in the adult patient population typically targeted for obesity clinical trials, both with and without type 2 diabetes.

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Consulting Services

I serve as a consultant to pharmaceutical companies, universities, health care providers and other organizations who seek to understand, measure and optimize quality of life.

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“Quality of life is an important health outcome in its own right, representing the ultimate goal of all health interventions.”
Dr. Richard Rubin, Professor of Medicine at Johns Hopkins School of Medicine
and past president of the American Diabetes Association