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Medicine & Science in Sports & Exercise:
doi: 10.1249/MSS.0b013e3182a702fc
Clinical Sciences

Preventing Eating Disorders among Young Elite Athletes: A Randomized Controlled Trial

MARTINSEN, MARIANNE1; BAHR, ROALD1; BØRRESEN, RUNI2; HOLME, INGAR1; PENSGAARD, ANNE MARTE3; SUNDGOT-BORGEN, JORUNN4

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Abstract

Purpose: To examine the effect of a 1-yr school-based intervention program to prevent the development of new cases of eating disorders (ED) and symptoms associated with ED among adolescent female and male elite athletes.

Methods: All 16 Norwegian Elite Sport High Schools were included (intervention group [n = 9] and control group [n = 7]). In total, 465 (93.8%) first-year student athletes were followed during high school (2008–2011, three school years). The athletes completed the Eating Disorder Inventory 2 and questions related to ED before (pretest), immediately after (posttest 1), and 9 months after the intervention (posttest 2). Clinical interviews (Eating Disorder Examination) were conducted after the pretest (all with symptoms [n = 115, 97%] and a random sample without symptoms [n = 116, 97%]), and at posttest 2, all athletes were interviewed (n = 463, 99.6%).

Results: Among females, there were no new cases of ED in the intervention schools, while 13% at the control schools had developed and fulfilled the DSM-IV criteria for ED not otherwise specified (n = 7) or bulimia nervosa (n = 1), P = 0.001. The risk of reporting symptoms was lower in the intervention than in the control schools at posttest 1 (odds ratio [OR] = 0.45, 95% confidence interval [CI] = 0.23–0.89). This effect was attenuated by posttest 2 (OR = 0.57, 95% CI = 0.29–1.09). The intervention showed a relative risk reduction for current dieting (OR = 0.10, 95% CI = 0.02–0.54) and three or more weight loss attempts (OR = 0.47, 95% CI = 0.25–0.90). Among males, there was one new case of ED at posttest 2 (control school) and no difference in the risk of reporting symptoms between groups at posttest 1 or 2.

Conclusion: A 1-yr intervention program can prevent new cases of ED and symptoms associated with ED in adolescent female elite athletes.

© 2014 American College of Sports Medicine

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