Journal
CANADIAN JOURNAL OF DIETETIC PRACTICE AND RESEARCH
Volume 73, Issue 2, Pages 78-83Publisher
DIETITIANS CANADA
DOI: 10.3148/73.2.2012.78
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- Social Sciences and Humanities Research Council of Canada
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Purpose: Associations were examined between body image and body mass index (BMI) in comparison with body composition in healthy weight, overweight, and obese young adults. Methods: Weight and height were determined, and the percentage of fat mass (%FM) and percentage of fat-free mass (%FFM) were measured by dual energy X-ray absorptiometry in 75 male and 87 female young adults (21.1 +/- 1.9 years; 25.2 +/- 4.4 kg/m(2) [mean +/- standard deviation]). Body image was measured using the three subscales Weight Esteem, Appearance Esteem, and External Attribution of the Body-Esteem Scale for Adolescents and Adults (BESAA). Results: Body mass index and %FM were highly correlated (r for males = 0.74, r for females = 0.82; both p<0.001), and were inversely associated with body image, particularly Weight Esteem. After adjustment for physical activity, BMI and %FM (and %FFM, although in the opposite direction) were associated with each BESAA subscale: %FM, %FFM, and BMI explained 12% to 14% of the variance in Appearance Esteem for both sexes, 33% to 41% in Weight Esteem in women and 16% to 18% in men, and 8% to 10% in External Attribution in women (all p<0.05) and <5% for men (NS). Conclusions: Clinicians should be aware that as their clients' BMI and %FM increase, body image decreases, particularly in women. (Can J Diet Pract Res. 2012;73:78-83) (DOI: 10.3148/73.2.2012.78)
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