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The Relationship Between Sociocultural Influences and Disordered Eating Behaviours: Age-Related Differences in an Integrated Theoretical Model.

This thesis contributes to a growing body of research examining the relationship between sociocultural influences and disordered eating behaviour. The aim of the current research was to extend on previously developed theoretical models to more closely examine agerelated differences in an integrated sociocultural model of disordered eating behaviour. The proposed model was informed by components of the dual-pathway model and the tripartite influence model. Nine-hundred and ninety-five women, from four different age groups (i.e., preadolescent, early adolescent, late adolescent and young adult), completed self-report measures of perceived pressure to be thin, modelling of disordered eating behaviour, media exposure, internalisation of the thin-ideal, social comparison, body dissatisfaction, body mass index, and disordered eating behaviour. Using structural equation modelling (SEM) techniques, a sociocultural model of disordered eating was tested and found to have good fit to the data. A number of age-related differences in the strength of the relationship between variables were found. Interestingly, modelling of disordered eating behaviour was a direct predictor of disordered eating behaviour regardless of age group. As expected internalisation of the thin-ideal mediated between perceived pressure to be thin and body dissatisfaction for all age groups. Surprisingly, media exposure had few effects on internalisation, but was more strongly related to social comparison for the late adolescent and young adult age groups. Social comparison played a less significant role in predicting body dissatisfaction in preadolescent girls. However, for all other participants, social comparison predicted internalisation of the thin-ideal, body dissatisfaction and disordered eating behaviour. As expected, BMI predicted body dissatisfaction, and body dissatisfaction predicted disordered eating behaviour. The models accounted for between 60-64% of the variance in disordered eating behaviour. Implications for prevention programs are discussed in light of these findings.

Identiferoai:union.ndltd.org:ADTP/194993
Date January 2007
CreatorsCoyne, Lucy C, n/a
PublisherGriffith University. School of Psychology
Source SetsAustraliasian Digital Theses Program
LanguageEnglish
Detected LanguageEnglish
Rightshttp://www.gu.edu.au/disclaimer.html), Copyright Lucy C Coyne

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