Objective To understand the current status and relative factors of reproductive health (RH) on unmarried floating population.
目的了解广东省惠州市未婚流动人口的生殖健康现状及相关因素。
Objective: To study the sleep state and relative factors of trainman on Qinghai-Tibet railway passenger train and to protect trainmans health by presenting reasonable measures.
目的调查高原铁路旅客列车乘务人员睡眠状况，并对其相关因素进行分析，以提出合理措施保障乘务员身体健康。
Methods The data was gained by health investigation forms (SF-36) and self-made questionnaire of relative factors, then analyzed the data by descriptive analysis and ordinal regression analysis.
方法采用健康调查量表（SF-36）及自编相关因素问卷按自填方式进行调查，获得数据，进行描述性和有序回归分析。
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