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Predicting dieting behavior by using, modifying, and extending the theory of planned behavior
Journal article   Peer reviewed

Predicting dieting behavior by using, modifying, and extending the theory of planned behavior

L M Nejad, E H Wertheim and Ken Greenwood
Journal of Applied Social Psychology, Vol.34(10), pp.2099-2131
2004
DOI: https://doi.org/10.1111/j.1559-1816.2004.tb02692.x
url
https://doi.org/10.1111/j.1559-1816.2004.tb02692.xView
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Abstract

The theory of planned behavior (TPB) was used, modified, and extended to predict dieting intention and behavior. Female undergraduates (n = 256) responded to a survey assessing variables from the TPB and additional predictor variables. Seventy-eight of these participants also completed a follow-up questionnaire 3 months later that assessed their subsequent weight-loss behavior. A model was developed for dieting using path analysis to assess the most significant paths to intention to diet and follow-up dieting. In the final predictor model, 77% of the variance in intention to diet and 46% of the variance in follow-up dieting were explained. The strongest predictor of intention to diet was direct attitude, and the strongest predictor of follow-up dieting was prior dieting. This study also included a confirmatory analysis of the dieting model (n = 117). Approximately 2/3 of the paths were confirmed, and 72% of the variance in intention was explained.

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Psychology, Social

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#3 Good Health and Well-Being
#5 Gender Equality

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