中国科学院心理研究所机构知识库

Objective To investigate psychological well-being, and try to use cluster analysis to classify the police, and then to find out the lowest police group. Methods 2429 polices were investigated by SCL-90 and information scale. Results The score on SCL-90 were related to gender（ r = 0.12, P 〈 0.01 ） , work time（ r = 0.10, P〈0.01）, education（ r= -0.08, P〈0.01）, the state of marry（ r=0.12, P〈 0.01） significant. Police were divided into 4 groups by Hierarchical cluster analysis and K-Means cluster analysis by using the 4 variables, for all the dimensions of SCL-90, the score for four groups were different significant （ F from 6.94 to 37.35, all P 〈0.01 ）, and the group in which the police all worked long time and had lower status, have higher score on SCL- 90 significant than all other groups. Conclusion Police who worked long time and had lower status, may have more mental health problem, and must be given more help.