Methods 85 seamen were taken as seamen group and 75 ground-crew members in the same department were taken as comparison group. All of them were determined by symptom checklist 90(SCL-90) and pittsburgh sleep quality index(PSQI).

• 方法 海员 85人为海员组 ,同地区码头作业人员 75人为对照组 ,采用症状自评量表 (SCL- 90 )、匹兹堡睡眠质量指数量表 (PSQI)进行测评。