方法采用整群随机抽样方法，对武汉某职业技术学校在校学生进行了艾滋病知识、态度、行为的问卷调查。
Methods 700 college students were selected from Wuhan Maritime Professional School by random sampling, a questionnaire survey about AIDS knowledge, attitude and behavior was conducted.
方法采用整群随机抽样方法，对武汉某职业技术学校在校学生进行了艾滋病知识、态度、行为的问卷调查。
Methods 700 college students were selected from Wuhan Maritime Professional School by random sampling, a questionnaire survey about AIDS knowledge, attitude and behavior was conducted.
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