目的：探讨大连市不同等级医院职工的心理健康状况及相关因素。

AIM: to investigate the mental health status of employees in hospital of different rank in Dalian city, and discuss the related factors.

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各等级医院收治病人的严重程度呈现一定梯度，但差异并不明显。

There is a step up trend of seriousness of diseases in different levels of hospitals, but the difference is not substantial.

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各等级医院样本量根据卫生部医院床位数人员配置标准所需医师数量选定。

The sample Numbers of each class of hospitals were determined by the staff allocation standard enacted by the Ministry of Health.

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