Dasha E Nicholls1, Russell M Viner2. 1. Dr. Nicholls and Dr. Viner are with the Institute of Child Health, University College London. Electronic address: d.nicholls@ich.ucl.ac.uk. 2. Dr. Nicholls and Dr. Viner are with the Institute of Child Health, University College London.
Abstract
OBJECTIVE: To examine whether previously identified childhood risk factors for anorexia nervosa (AN) predict self-reported lifetime AN by age 30 years in a prospective birth cohort. METHOD: Using data from the 1970 British Cohort Study, at birth, 5, 10, and 30 years, we examined associations between suggested childhood risk factors and self-reported lifetime AN at 30 years, adjusted for sex and socioeconomic status. RESULTS: Anorexia nervosa was independently predicted by female sex (odds ratio [OR] 22.1), infant feeding problems (OR 2.6), maternal depressive symptoms (OR 1.8), and a history of undereating (OR 2.7). High self-esteem (OR 0.3) and higher maternal body mass index (OR 0.91) were protective. CONCLUSIONS: Of 22 suggested risk factors for AN, only four risk and two protective factors were confirmed in this prospective cohort study. We did not identify a role for perinatal factors, parenting, childhood body mass index, childhood emotional or sleep problems, academic ability, or exercise.
OBJECTIVE: To examine whether previously identified childhood risk factors for anorexia nervosa (AN) predict self-reported lifetime AN by age 30 years in a prospective birth cohort. METHOD: Using data from the 1970 British Cohort Study, at birth, 5, 10, and 30 years, we examined associations between suggested childhood risk factors and self-reported lifetime AN at 30 years, adjusted for sex and socioeconomic status. RESULTS:Anorexia nervosa was independently predicted by female sex (odds ratio [OR] 22.1), infant feeding problems (OR 2.6), maternal depressive symptoms (OR 1.8), and a history of undereating (OR 2.7). High self-esteem (OR 0.3) and higher maternal body mass index (OR 0.91) were protective. CONCLUSIONS: Of 22 suggested risk factors for AN, only four risk and two protective factors were confirmed in this prospective cohort study. We did not identify a role for perinatal factors, parenting, childhood body mass index, childhood emotional or sleep problems, academic ability, or exercise.
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