南京中学生体力活动现状及其与抑郁症状的相关分析

Physical Activity and Its Correlation with Depression Among High School Students in Nanjing

目的了解南京地区中学生体力活动现状及其与抑郁症状的关系,为有针对性地改善青少年抑郁症状和开展健康行为干预提供依据。方法抽取南京地区13个区县56所学校168个班级7161名在校初一至高三年级中学生,采用儿童抑郁量表(Children’s De-pression Inventory,CDI)进行抑郁症状评定。结果南京中学生抑郁症状检出率为14.8%,每天平均体力活动时间为0h,0～1h,1～2h,>2h的中学生分别占24.4%,40.2%,19.4%和15.9%。经多因素调整后,与每天无活动时间者相比,活动时间为0～1h,1～2h,>2h的中学生罹患抑郁症状的风险分别降低30%,32%和34%(调整后分别为:OR=0.70,95%CI=0.57～0.86;OR=0.68,95%CI=0.53～0.88;OR=0.66,95%CI=0.50～0.87)。结论体力活动时间与青少年抑郁症状的发生呈负性关联。

Objective To investigate the current situation of physical activity and to analyze its association with depression among high school students in Nanjing. Methods 7 161 eligible participants from 56 schools in 13 administrative districts/counties were randomly selected and surveyed with Children＇ s Depression Inventory （CDI）. Results The overall prevalence of depression （CDI） was 14.8%. Prevalence of students participating in no,0 - 1 h, 1 - 2 h, 〉 2 h average daily physical activity was 24.4%, 40.2%, 19.4%, and 15.9%, respectively. After adjusting for possible confounding factors, odds raties （ OR ） of depression was found decrease by 30 %, 32 % and 34 % with daily physical activity duration from 0 to 〉 2 h （ Adj. OR = 0.70, 95 % CI = 0.57 -0.86; Adj. OR =0.68, 95% CI=0.53 -0.88; Adj. OR =0.66, 95% CI=0.50-0.87 for daily physical activity time with 0- 1 h,1 - 2 h, 〉2 h in comparison with no daily physical activity, respectively}. Conclusion It seems that duration of daily physical activity is negatively associated with depressive symptoms among adolescents.