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1.
Body Image ; 40: 322-339, 2022 Mar.
Article in English | MEDLINE | ID: mdl-35121568

ABSTRACT

Although a range of risk factors have been identified for disordered eating and weight status, the breadth of risk factors have been rarely considered within a single, comprehensive model. The robustness of these findings across countries also remains an open question. The present study sampled 6272 participants aged 18-30 years from eight countries in an attempt to evaluate combined and unique predictors for these two conditions, and to explore possible cross-country differences in these models. Participants completed a range of demographic, biological, behavioral, psychological, and sociocultural measures to test a comprehensive model of the contributions of these predictors for disordered eating and weight-related constructs (binge eating, body mass index, compensatory behaviors, dietary restraint, drive for muscularity, and drive for leanness). Structural invariance testing within a multigroup path analysis framework revealed that a single model across the eight countries provided poor model fit. Freeing of 22% of parameters across countries provided excellent fit and a satisfactory compromise for country-invariant and country-variant parameters in the model. Overall, predictors accounted for between 15% and 60% of variance in the outcome measures, with lowest explained variance for the disordered eating outcomes. Significant unique contributions to prediction were observed for each of the five risk factor variable types and across the eight countries. Thus, the findings show strong support for this model as an explanatory framework of both disordered eating and weight status.


Subject(s)
Body Image , Feeding and Eating Disorders , Adolescent , Adult , Body Image/psychology , Drive , Feeding and Eating Disorders/diagnosis , Feeding and Eating Disorders/epidemiology , Humans , Risk Factors , Thinness/psychology , Young Adult
2.
Body Image ; 35: 320-332, 2020 Dec.
Article in English | MEDLINE | ID: mdl-33189052

ABSTRACT

Positive body image refers to individuals' ability to conceptualize their bodies with love, respect, and appreciation. The study of positive body image is relatively new, and instruments used to investigate this multi-faceted construct have received limited use in non-English speaking countries. Thus, the aim of this investigation is to consider four measures that are associated with positive body image across eight different countries. Participants (n = 6272) completed the Body Appreciation Scale-2, the Body Areas Satisfaction Scale, the Physical Appearance Comparison Scale, and the Weight Bias Internalization Scale. Multi-group confirmatory factor analyses (MG-CFAs) and item-response theory (IRT) models were used to examine the measurement invariance of these surveys. Our results generally suggest that positive body image, weight bias, and appearance comparison can be assessed using brief assessments and that these four instruments can be used in different countries, but care should be taken to consider individuals' gender, BMI, and socio-economic position.


Subject(s)
Body Image/psychology , Body Weight , Personal Satisfaction , Physical Appearance, Body , Adolescent , Adult , Cross-Cultural Comparison , Factor Analysis, Statistical , Female , Humans , Male , Psychometrics/statistics & numerical data , Reproducibility of Results , Surveys and Questionnaires , Young Adult
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