乐昌市
- 网络Lechang;lechang city
乐昌市-
方法选取乐昌市300名中学生药物滥用者为研究组，随机抽取与研究组性别、年龄相匹配的600名正常中学生为对照组，采用自拟问卷进行调查，并进行单因素和多因素条件Logistic回归分析。
Methods 300 students were selected from Lechang city who were drug-abuser as research group , and control group were randomly selected 600 normal ones matched for age and sex . Investigations were conducted with the Self-made Questionnaire and so were single-and multiple-factor conditional logistic regression analyses .