Personality disorders and body weight |
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| Institution: | 1. Department of Medical Ethics and Health Policy, Perelman School of Medicine, University of Pennsylvania, 1316 Blockley Hall, 423 Guardian Drive, Philadelphia, PA 19104, USA;2. Division of General Internal Medicine and Health Services Research, Department of Medicine, David Geffen School of Medicine at the University of California Los Angeles, USA;3. Health Economics Research Group, Department of Sociology, University of Miami, USA;4. Department of Public Health Sciences, University of Miami, USA;5. Division of General Internal Medicine and Health Services Research, Department of Medicine, David Geffen School of Medicine, USA;6. Department of Health Policy and Management, Jonathan and Karin Fielding School of Public Health at the University of California Los Angeles, USA;1. Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, ND;2. Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH;3. Department of Biomedical Sciences, Ohio University, Athens, OH;4. Department of Geriatric Medicine, Ohio University, Athens, OH;5. Department of Medicine, Divisions of Infectious Diseases and Geriatric Medicine, University of Colorado-Anschutz Medical Campus, Aurora, CO;6. Sanford Research, Sioux Falls, SD;7. Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, MI;8. Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, MI;1. Economics Department, University of Évora, Évora, Portugal; Faculty of Economics, University of Coimbra, Coimbra, Portugal;2. Management and Economics Department, University of Beira Interior, Covilhã, Portugal;3. NECE-UBI, CeBER and Faculty of Economics, University of Coimbra, Coimbra, Portugal;4. NECE-UBI and Management and Economics Department, University of Beira Interior, Covilhã, Portugal;1. Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Volker Hall L107, 1670 University Blvd., Birmingham, AL 35071, United States;2. Department of Psychology, Georgia State University, P.O Box 5010, Atlanta, GA 30302-5010, United States;3. Department of Psychology, University of Tennessee, 310C Austin Peay Bldg, Knoxville, TN 37996-0900, United States;4. School of Social Work, University at Buffalo, Parker Hall, Buffalo, NY 14214-8004, United States |
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| Abstract: | We examine the impact of Axis II personality disorders (PDs) on body weight. PDs are psychiatric conditions that develop early in life from a mixture of genetics and environment, are persistent, and lead to substantial dysfunction for the affected individual. The defining characteristics of PDs conceptually link them with body weight, but the direction of the relationship likely varies across PD type. To investigate these links, we analyze data from Wave II of the National Epidemiological Survey of Alcohol and Related Conditions. We measure body weight with the body mass index (BMI) and a dichotomous indicator for obesity (BMI ≥ 30). We find that women with PDs have significantly higher BMI and are more likely to be obese than otherwise similar women. We find few statistically significant or economically meaningful effects for men. Paranoid, schizotypal, and avoidant PDs demonstrate the strongest adverse impacts on women's body weight while dependent PD may be protective against elevated body weight among men. Findings from unconditional quantile regressions demonstrate a positive gradient between PDs and BMI in that the effects are greater for higher BMI respondents. |
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| Keywords: | Body mass index (BMI) Obesity Personality disorders Quantile regression |
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