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目的建立并验证汪氏失眠综合问卷(WIIQ)中一种可信的失眠严重性评分方法,以评估对失眠的治疗效果并探究失眠的机制和相关因素。方法参考匹兹堡睡眠质量指数量表(PSQI)的计分方法,建立WIIQ失眠严重性评分的几种计分方法。通过在广安门医院心理科门诊收集的110例原发性失眠患者WIIQ、PSQI及失眠严重程度指数(ISI)评定结果,根据不同方案结果与PSQI的相关性选择最佳方案。对最佳方案进行信度分析,并将其结果与PSQI和ISI的结果比较。结果 WIIQ失眠严重性评分有较好的分半信度(r=0.718,P<0.01)和同质性信度(α=0.781)。WIIQ与PSQI之间有很高的相关性(r=0.847,P<0.01),用WIIQ和PSQI评价的失眠严重程度差异无统计学意义(P=0.997)。结论 WIIQ中的失眠严重性评分有较好的结构信度,其计算结果及意义与PSQI高度一致,在临床和科研中可替代PSQI用于评价患者失眠严重性。
Objective To establish and validate a credible method of insomnia severity assessment in Wang’s Comprehensive Insomnia Questionnaire (WIIQ) to assess the therapeutic effect on insomnia and to explore the mechanisms and related factors of insomnia. Methods The Pittsburgh Sleep Quality Index Scale (PSQI) scoring method was used to establish several scoring methods for WIIQ severity of insomnia. Based on the evaluation results of WIIQ, PSQI and insomnia severity index (IIP) in 110 cases of primary insomnia collected in Department of Psychology, Guang’anmen Hospital, the optimal protocol was selected according to the correlation between different protocol results and PSQI. A reliability analysis of the best practices was performed and their results were compared with the results of PSQI and ISI. Results The severity of insomnia in WIIQ was better than half of reliability (r = 0.718, P <0.01) and homogeneity reliability (α = 0.781). There was a high correlation between WIIQ and PSQI (r = 0.847, P <0.01). There was no significant difference in severity of insomnia between WIIQ and PSQI (P = 0.997). Conclusion The severity of insomnia in WIIQ has a good structural reliability. The calculated results and significance are consistent with those of PSQI. PSQI can be used instead of PSQI in clinical and research to evaluate the severity of insomnia in patients.