Body image in different periods of adolescence

Objective: To analyze body image in different periods of adolescence.Methods: This cross-sectional study enrolled students aged ten to 19 years old of public schools in small districts of Minas Gerais, Southeast Brazil. The Body Shape Questionnaire (BSQ), the Body Dissatisfaction Assessment Scale for Teenagers and the Silhouette Scale for Teenagers (SST) were used. Adolescence phases were classified according to the subjects' ages. Weight and height were measured in order to calculate the body mass index and the nutritional status. Results were analyzed by logistic regression.Results: The study emolled 531 teenagers (318 females). The average age was 15.6±2.2 years and 84.6% were eutrophic. The prevalence of body dissatisfaction varied from 28.9% (BSQ) to 78.9% (SST). Overweight adolescents presented greater dissatisfaction (BSQ: OR 3.66, p研究目的：分析青春期不同阶段的身体意象。 研究方法：本横断面研究招募了巴西东南部米纳斯吉拉斯州小型城区公立学校的10至19岁学生。研究采用了身体形状问卷（Body Shape Questionnaire, BSQ）、青少年身体不满评定量表以及青少年轮廓量表（Silhouette Scale for Teenagers, SST）。根据受试者的年龄对青春期阶段进行划分，测量身高与体重以计算体质量指数及营养状况，并采用logistic回归对研究数据进行分析。 研究结果：本研究共纳入531名青少年（其中女性318名），平均年龄为15.6±2.2岁，84.6%的受试者营养状况正常。身体不满的患病率在28.9%（BSQ）至78.9%（SST）之间不等。超重青少年的身体不满程度更高（BSQ：比值比OR=3.66，p