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目的评测病人健康问卷抑郁量表(PHQ-9)在我国社区老年人群中应用的信度和效度。方法采用多阶段整群随机抽样法,应用PHQ-9量表对随机抽样的2个社区60岁以上户籍人口进行调查。结果进入PHQ-9筛查1275人,抑郁症状阳性117人,经诊断性访谈(SCID)符合抑郁症77例。PHQ-9量表Cornbach Alpha系数为0.767,Guttman折半信度为0.732,各条间的相关系数为0.374~0.608,各条目间的相关系数为0.164~0.552,均有相关性(P<0.01),提示有很好的内部一致性,信度高。因子分析显示较好的结构效度,灵敏度为88.31%,特异度为82.50%,提示该量表有很好的效度。结论 PHQ-9是可操作性的抑郁筛查工具,具有较好的信度与效度,可以作为筛查工具在社区卫生服务中推广使用。
Objective To evaluate the reliability and validity of the PHQ-9 in the elderly population of Chinese community. Methods A multistage cluster random sampling method was used to investigate the population aged 60 and over in two randomly sampled communities using the PHQ-9 scale. Results There were 1275 people screened for PHQ-9, 117 were positive for depressive symptoms, and 77 were diagnosed as SCID by depression. The Cornbach Alpha coefficient of PHQ-9 was 0.767, Guttman’s half-confidence was 0.732, the correlation coefficient was 0.374-0.608, and the correlation coefficient of each item was 0.164-0.552 (all P <0.01) Tips have good internal consistency, high reliability. Factor analysis showed good structural validity, with a sensitivity of 88.31% and a specificity of 82.50%, suggesting that the scale has good validity. Conclusions PHQ-9 is an operable depressive screening tool with good reliability and validity and can be used as a screening tool in community health services.