The relationship among pubertal timing, overweight and obesity and eating disorders in adolescents / 中国学校卫生

Objective@#To understand the relationship among pubertal timing, overweight and obesity, and eating disorders among Bengbu adolescents, and to provide a reference for obesity prevention.@*Methods@#Two nine year schools were conveniently selected in Bengbu, with 683 students from grade 5 to grade 8. Puberty Development Scale (PDS) and Eating Disorders Inventory of Children (EDI-C) subscale were used, height and weight were measured. The associations between obesity, pubertal timing and eating disorders were analyzed.@*Results@#The prevalence of overweight and obesity was higher in boys than that in girls, and the rate of early pubertal timing, drive for thinness score, body dissatisfaction score and total eating disorder score were higher in girls than that in boys( χ 2/t =28.69, 57.99, 3.47, 2.59, 3.30, P <0.05). The differences in rate of overweight and obesity, bulimia score and total eating disorder score were statistically significant by grade( χ 2/F =28.39, 5.11, 3.95, P ＜0.01). There was a positive correlation among overweight obesity and early pubertal timing and eating disorder, and a positive correlation between early pubertal timing and eating disorder( r =0.18, 0.17, 0.14, P < 0.01 ). The mediating effect of early pubertal timing between overweiht, obesity and eating disorders partially contributed 14.25% to the total effect.@*Conclusion@#Overweight and obesity is associated with eating disorders, and early pubertal timing partially mediate the association between overweight obesity and eating disorders. Healthy lifestyle should be advocated in family and school to effectively prevent adolescents obesity, pubertal timing, and eating disorders.

Research progress on parental control and adolescent aggressive behavior / 中国学校卫生

Abstract@#Adolescent aggressive behavior has become one of the public health problems, and is affected by factors such as society,school,and family.Parents play an important role in the growth of adolescents. Parental control is seen as one of the rearing style,and closely related with adolescent aggressive behavior. This article reviews studies on the concept and classification of parental control, the impact of parental control on the psychological behavior of adolescents, the concept and measurement of aggressive behavior, the influencing factors of adolescent aggressive behavior, the impact of parental control on aggressive behavior, and the influence of demographic factors on both by consulting the existing literature, with the goal of providing references for reducing adolescent aggressive behavior improving parenting ability.