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Eat Behav. 2012 Aug;13(3):194-201. doi: 10.1016/j.eatbeh.2012.01.009. Epub 2012 Jan 28.

Physical activity as a moderator of the association between anxiety sensitivity and binge eating.

Author information

1
Southern Methodist University, Dallas, TX 75275, USA.

Abstract

Individuals with elevated anxiety sensitivity (AS; i.e., fear of somatic arousal) may binge eat to reduce emotional distress. Because physical activity reduces stress reactivity, we predicted that: (1) the relation between AS and binge eating would be moderated by physical activity and (2) coping motives for eating would mediate the association between AS and binge eating such that the relation would be stronger for those low in physical activity. Participants (N=167) completed online self-report measures. Regression analyses revealed that moderate-intensity physical activity (MPA) moderated the relation between AS and binge eating such that AS was not related to binge eating among those who frequently engaged in MPA but was related to binge eating among those who did not report engaging in MPA. Vigorous-intensity physical activity (VPA) moderated in the opposite direction such that the relation between AS and binge eating was significant among persons reporting high levels of VPA but less strong among persons reporting low levels of VPA. The mediation model was also significant, but was not moderated by MPA or VPA. Theoretical and clinical implications are discussed.

PMID:
22664396
PMCID:
PMC3614415
DOI:
10.1016/j.eatbeh.2012.01.009
[Indexed for MEDLINE]
Free PMC Article

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