Abstract
ABSTRACT Objective This study aimed to estimate the psychometric properties of the Body Area Scale (BAS) applied to a sample of Brazilian university students to support the validity and reliability of the obtained data. Methods We performed confirmatory factor analysis (CFA) using the Comparative Fit index (CFI), Tucker-Lewis index (TLI), and Root Mean Square Error of Approximation (RMSEA). We calculated the average variance extracted (AVE), composite reliability (CR), and ordinal alpha coefficient (α). All estimates were calculated separately for women and men. A thousand students participated (women = 64.0%, mean [M] age = 20.92, standard deviation [SD] = 2.40 years; body mass index (BMI) M = 23.24, SD = 3.97 kg/m2). Results Considering the CFA results, the original unifactorial model (24 items) did not fit data for women and men. Instead, the two-factorial model with 19 items had adequate fit for male and female samples (CFI = 0.922-0.958; TLI = 0.912-0.952; RMSEA = 0.090-0.096), as well as good convergent validity (AVE = 0.536-0.668) and reliability (CR = 0.920-0.952; α = 0.916-0.948). Once BAS was proposed to evaluate satisfaction/dissatisfaction with one’s own body, and considering the reformulation of the factorial model, we proposed a new name for the instrument: Body Appearance (Dis)Satisfaction Scale (BAS-R). Conclusion Professionals can now include the BAS-R in future protocols to evaluate satisfaction/dissatisfaction with the body in Brazilian students.
Highlights
Satisfaction/dissatisfaction with one’s overall body appearance involves positive or negative self-attributions in the perception of the real versus ideal body image[1]
The satisfaction/dissatisfaction concept contributes to the evaluation of body image
Most students were at economic level B
Summary
Satisfaction/dissatisfaction with one’s overall body appearance involves positive or negative self-attributions in the perception of the real versus ideal body image[1]. The satisfaction/dissatisfaction concept contributes to the evaluation of body image. Body dissatisfaction is one characteristic that can predispose individuals to developing eating disorders or body dysmorphic disorder[2,3]. Dissatisfaction mainly occurs because of an internalized ideal body image that has been established culturally as necessary to self-perceive body adequacy[4]. Body perception dissatisfaction is common among vulnerable individuals (80%), such as young people undergoing constant physical and psychological changes[5,6]. Some studies[5,7,8] have suggested that body satisfaction and dissatisfaction can differ between females and males
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