Psychometric evaluation and predictive validity of Ryff's psychological well-being items in a UK birth cohort sample of women
Psychometric evaluation and predictive validity of Ryff's psychological well-being items in a UK birth cohort sample of women
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DOI：
10.1186/1477-7525-4-76
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发表时间：
2006-10-04
影响因子：
3.6
通讯作者：
Croudace, Tim J.
中科院分区：
文献类型：
--
作者：
Abbott, Rosemary A.;Ploubidis, George B.;Croudace, Tim J.
背景资料：调查的心理健康项目的结构是有用的，以推进知识的维度定义心理健康在实践中。Ryff提出了一个多维模型的心理健康和她的问卷调查项目被广泛使用，但其潜在的结构和因子效度仍然contributed.Methods：我们采用潜变量模型的因素分析的有序/分类数据的42项版本的Ryff的心理健康量表管理的妇女年龄在52岁的英国出生队列研究（n=1,179）。结构（预测）的有效性进行了检查，对心理健康的措施记录一年后。结果：四个一阶心理健康结构之间的因素间的相关性足够高（>0.80），以保证一个吝啬的代表作为二阶一般幸福的尺寸。方法因素的问题，反映积极和消极的项目内容，正交的结构因素，并假设彼此独立，改善模型拟合去除滋扰方差。心理健康和心理困扰的多维度测量之间的预测有效性相关性主要由环境掌握的贡献，与早期的横断面研究结果一致，这些研究结果与幸福感和抑郁症的严重程度相关。我们的首选模型包括一个二阶因子，由六个一阶因子中的四个加载，两个方法因子，和两个不同的一阶因子心理健康与心理健康的维度呈负相关。需要进一步调查整个健康连续体的测量精度。
Background: Investigations of the structure of psychological well-being items are useful for advancing knowledge of what dimensions define psychological well-being in practice. Ryff has proposed a multidimensional model of psychological well-being and her questionnaire items are widely used but their latent structure and factorial validity remains contentious.Methods: We applied latent variable models for factor analysis of ordinal/categorical data to a 42-item version of Ryff's psychological well-being scales administered to women aged 52 in a UK birth cohort study (n=1,179). Construct (predictive) validity was examined against a measure of mental health recorded one year later.Results: Inter-factor correlations among four of the first-order psychological well-being constructs were sufficiently high (>0.80) to warrant a parsimonious representation as a second-order general well-being dimension. Method factors for questions reflecting positive and negative item content, orthogonal to the construct factors and assumed independent of each other, improved model fit by removing nuisance variance. Predictive validity correlations between psychological well-being and a multidimensional measure of psychological distress were dominated by the contribution of environmental mastery, in keeping with earlier findings from cross-sectional studies that have correlated well-being and severity of depression.Conclusion: Our preferred model included a single second-order factor, loaded by four of the six first-order factors, two method factors, and two more distinct first-order factors. Psychological well-being is negatively associated with dimensions of mental health. Further investigation of precision of measurement across the health continuum is required.