世界卫生组织生活质量测定量表-老年人模块（WHOQOL-OLD）中文版：心理测量学评估。
The Chinese version of the world health organization quality of life instrument-older adults module (WHOQOL-OLD): psychometric evaluation.
机构信息
School of Public Health, Sun Yat-sen University, 74 Zhongshan RoadII, Guangzhou, 510080, the People's Republic of China.
出版信息
Health Qual Life Outcomes. 2013 Sep 16;11:156. doi: 10.1186/1477-7525-11-156.
BACKGROUND
Under the circumstance of global population aging, the issue on how to facilitate the quality of life (QOL) for older people brings us grand challenge. On the way to solve this problem, it is inextricable to measure QOL for older people accurately at onset. This study is aimed at evaluating the reliability and validity of the Chinese version of the World Health Organization Quality of Life Instrument-Older Adults Module (WHOQOL-OLD).
METHODS
We received 1005 valid WHOQOL-OLD questionnaires from 1050 respondents who were 60 and older by quota sampling method. To calculate the test-retest correlation coefficient we re-interviewed 101 participants from the community. Psychometric properties were evaluated from the aspect of feasibility, internal consistency reliability, test-retest reliability, content validity, construct validity and discriminant validity.
RESULTS
Missing item responses took up 0.0%-2.7% in the scale. The WHOQOL-OLD showed satisfactory reliability with Cronbach's Alpha coefficients ranging from 0.711 (Social participation) to 0.842 (Sensory ability) for each domain. The intra-class correlation coefficients (ICC) presenting test-retest reliability were all over 0.7. In Confirmatory Factor Analysis (CFA), Root Mean Square Error of Approximation (RMSEA) was 0.084 (a little more than 0.08) and comparative fit index (CFI) 0.95 (>0.90) which meant acceptable construct validity. There were higher correlation coefficients between items and their hypothesized domains than other domains (P < 0.001), indicating good content validity. The results of t-test showed good discriminant validity of the WHOQOL-OLD between the healthy group and the unhealthy group (P < 0.0083).
CONCLUSION
The Chinese version of WHOQOL-OLD showed good feasibility, reliability and validity in this study. However, before it can be used national-widely, further research should be conducted in other areas of China.
背景
在全球人口老龄化的背景下，如何提高老年人的生活质量（QOL）是一个重大的挑战。在解决这个问题的过程中，准确测量老年人的 QOL 是必不可少的。本研究旨在评估世界卫生组织生活质量测定量表-老年人模块（WHOQOL-OLD）中文版的信度和效度。
方法
我们通过配额抽样方法从 1050 名 60 岁及以上的受访者中收到了 1005 份有效 WHOQOL-OLD 问卷。为了计算重测相关系数，我们对社区中的 101 名参与者进行了重新访谈。从可行性、内部一致性信度、重测信度、内容效度、结构效度和判别效度等方面评估心理测量特性。
结果
各分量表缺失率为 0.0%-2.7%。WHOQOL-OLD 具有较好的信度，各领域 Cronbach's Alpha 系数范围为 0.711（社会参与）至 0.842（感觉能力）。呈现重测信度的组内相关系数（ICC）均大于 0.7。在验证性因子分析（CFA）中，拟合优度指数（CFI）为 0.95（大于 0.90），近似均方误差（RMSEA）为 0.084（略大于 0.08），表明具有可接受的结构效度。各项目与假设领域的相关系数均高于与其他领域的相关系数（P<0.001），表明内容效度较好。t 检验结果表明，WHOQOL-OLD 在健康组和不健康组之间具有良好的判别效度（P<0.0083）。
结论
在本研究中，WHOQOL-OLD 中文版具有良好的可行性、信度和效度。然而，在全国范围内使用之前，还需要在中国其他地区进行进一步的研究。
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