The stability of the factor structure of the General Health Questionnaire
The stability of the factor structure of the General Health Questionnaire
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DOI：
10.1017/s0033291799002287
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发表时间：
2000-07-01
影响因子：
6.9
通讯作者：
Üstün, BT
中科院分区：
文献类型：
--
作者：
Werneke, U;Goldberg, DP;Üstün, BT
背景不同版本的一般健康问卷（GHQ），包括GHQ-12和GHQ-28，在不同的国家进行了因素分析。世界卫生组织的研究心理障碍的一般卫生保健提供了机会，调查的因素结构的两个版本的GHQ在15个不同的中心。在参与中心比较了通过主成分分析提取的GHQ-12和GHQ-28的因素结构。26120例患者完成了GHQ-12，5273例患者完成了GHQ-28。本研究将在曼彻斯特发现的GHQ-28的因子结构与1979年的早期研究结果进行了比较。对于GHQ-12，各中心之间存在很大的因素差异。旋转后，可以确定两个表达抑郁和社会功能障碍的因素。一般来说，GHQ-28的原始C（社会功能障碍）和D（抑郁）量表比A（躯体症状）和B（焦虑）量表更稳定。在两个版本的GHQ中出现了多个交叉负荷，表明提取的因素之间存在相关性。在曼彻斯特，GHQ的要素结构自其发展以来发生了变化。作为一个案件检测器的有效性不受因素方差。这些研究结果证实，尽管GHQ-12的因素变化，两个领域，抑郁症和社会功能障碍，出现在15个中心。在按比例缩放的GHQ-28中，两个尺度在中心之间非常稳健。其他两个分量表之间的交叉相关，可能反映了焦虑和躯体症状之间存在于不同位置的关系的强度。
Background. Different versions of the General Health Questionnaire (GHQ), including the GHQ-12 and GHQ-28 have been subjected to factor analysis in a variety of countries. The World Health Organization study of psychological disorders in general health care offered the opportunity to investigate the factor structure of both GHQ versions in 15 different centres.Methods. The factor structures of the GHQ-12 and GHQ-28 extracted by principal component analysis were compared in participating centres. The GHQ-12 was completed by 26120 patients and 5273 patients completed the GHQ-28. The factor structure of the GHQ-28 found in Manchester in this study was compared with that found in the earlier study in 1979.Results. For the GHQ-12, substantial factor variation between centres was found. After rotation, two factors expressing depression and social dysfunction could be identified. For the GHQ-28, factor variance was less. In general, the original C (social dysfunction) and D (depression) scales of the GHQ-28 were more stable than the A (somatic symptoms) and B (anxiety) scales. Multiple cross-loadings occurred in both versions of the GHQ suggesting correlation of the extracted factors. In Manchester, the factor structure of the GHQ had changed since its development. Validity as a case detector was not affected by factor variance.Conclusions. These findings confirm that despite factor variation for the GHQ-12, two domains, depression and social dysfunction, appear across the 15 centres. In the scaled GHQ-28, two of the scales were remarkably robust between the centres. The cross-correlation between the other two subscales, probably reflects the strength of the relationship between anxiety and somatic symptoms existing in different locations.