associations between body mass index, weight control concerns and behaviors, and eating disorder symptoms among non-clinical chinese adolescents身体质量指数之间的联系,控制体重和行为的担忧,中国青少年和进食障碍症状临床.pdf

Fan et al. BMC Public Health 2010, 10:314 /1471-2458/10/314 R E S E A R C H A R T I C L E Open Access Research article Associations between body mass index, weight control concerns and behaviors, and eating disorder symptoms among non-clinical Chinese adolescents †1,2,3 †2 2 2 2 1 Yiou Fan , Yanping Li , Ailing Liu , Xiaoqi Hu , Guansheng Ma* and Guifa Xu* Abstract Background: Previous research with adolescents has shown associations of body weight, weight control concerns and behaviors with eating disorder symptoms, but it is unclear whether these associations are direct or whether a mediating effect exists. This study was conducted to investigate the prevalence of overweight and obesity, weight control concerns and behaviors, and eating disorder symptoms and to examine the mediating function of weight control concerns and behaviors on the relationship between body mass index (BMI) and eating disorder symptoms among non-clinical adolescents in China. Methods: A cross-sectional survey among 2019 adolescent girls and 1525 adolescent boys in the 7th, 8th, 10th and 11th grades from seven cities in China was conducted. Information on weight control concerns and behaviors, and eating disorder symptoms (Eating Disorder Inventory-3) were collected from the adolescents using a self- administrated questionnaire. Results: Weight control concerns and behaviors, and eating disorder symptoms were prevalent among the study population. A high proportion of adolescents scored at or above the threshold on the eating disorder inventory (EDI) subscale such as bulimia, interoceptive deficits, perfectionism, and maturity fears, which indicated eating disorder symptoms. High BMI was significantly associated with high score of drive for t