方法采用职业卫生知识调查问卷和症状自评量表（SCL-90），对168例患者评估实施教育前、后职业卫生知识和心理健康状况的变化。

Methods 168 workers were asked to fulfill occupational disease knowledge forms and SCL-90 forms before lessons, and repeated it after the lessons of health education.

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方法采用职业卫生知识调查问卷和症状自评量表（SCL-90），对168例患者评估实施教育前、后职业卫生知识和心理健康状况的变化。

Methods 168 workers were asked to fulfill occupational disease knowledge forms and SCL-90 forms before lessons, and repeated it after the lessons of health education.

youdao