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Predictors of muscularity-oriented disordered eating behaviors in U.S. young adults: A prospective cohort study.


ABSTRACT: Objective:To determine adolescent predictors of muscularity-oriented disordered eating behaviors in young men and women using a nationally representative longitudinal sample in the United States and to examine differences by sex.

Method:We used nationally representative longitudinal cohort data collected from baseline (11-18?years old, 1994-1995) and 7-year follow-up (18-24?years old, 2001-2002) of the National Longitudinal Study of Adolescent to Adult Health. We examined adolescent demographic, behavioral, and mental health predictors of young adult muscularity-oriented disordered eating behaviors defined as eating more or differently to gain weight or bulk up, supplements to gain weight or bulk up, or androgenic anabolic steroid use at 7-year follow-up.

Results:Of the 14,891 included participants, 22% of males and 5% of females reported any muscularity-oriented disordered eating behavior at follow-up in young adulthood. Factors recorded at adolescence that were prospectively associated with higher odds of muscularity-oriented disordered eating in both sexes included black race, exercising to gain weight, self-perception of being underweight, and lower body mass index z-score. In addition, participation in weightlifting; roller-blading, roller-skating, skate-boarding, or bicycling; and alcohol among males and depressive symptoms among females during adolescence were associated with higher odds of muscularity-oriented disordered eating in young adulthood.

Conclusions:Interventions to prevent muscularity-oriented disordered eating behaviors may target at-risk youth, particularly those of black race or who engage in exercise to gain weight. Future research should examine longitudinal health outcomes associated with muscularity-oriented disordered eating behaviors.

SUBMITTER: Nagata JM 

PROVIDER: S-EPMC6901753 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Predictors of muscularity-oriented disordered eating behaviors in U.S. young adults: A prospective cohort study.

Nagata Jason M JM   Murray Stuart B SB   Bibbins-Domingo Kirsten K   Garber Andrea K AK   Mitchison Deborah D   Griffiths Scott S  

The International journal of eating disorders 20190620 12


<h4>Objective</h4>To determine adolescent predictors of muscularity-oriented disordered eating behaviors in young men and women using a nationally representative longitudinal sample in the United States and to examine differences by sex.<h4>Method</h4>We used nationally representative longitudinal cohort data collected from baseline (11-18 years old, 1994-1995) and 7-year follow-up (18-24 years old, 2001-2002) of the National Longitudinal Study of Adolescent to Adult Health. We examined adolesce  ...[more]

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