Paul W Scott, Cassandra M Godzik, Jonna L Morris, Eileen R Chasens, Catherine M Bender
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引用次数: 0
摘要
背景与目的：本研究从因子结构和测量不变量（MI）的角度对匹兹堡睡眠质量指数（PSQI）进行了评估。样本包括绝经后乳腺癌（BC）幸存者（n = 101）和匹配的健康对照组（n = 60）。研究方法对 PSQI 的七个成分得分进行探索性因子分析 (EFA) 和确认性因子分析 (CFA)。使用贝叶斯因子（BF）对不同组间和不同时间段的 MI 进行检验。结果确定了两个因子：睡眠效率和感知睡眠质量。不同组间（BF < 0.007）和不同时间段（BF > 150）的 MI 均得到证实。结论绝经后 BC 幸存者和对照组在 1 年内的 PSQI 两个分量表得分相当，这在一定程度上验证了 PSQI 用于研究该人群的睡眠质量。
Assessing the Factor Structure and Measurement Invariance of the Pittsburgh Sleep Quality Index Between Postmenopausal Breast Cancer Survivors and Controls.
Background and Purpose: This study evaluates the Pittsburgh Sleep Quality Index (PSQI) in terms of factor structure and measurement invariance (MI). The sample included postmenopausal breast cancer (BC) survivors (n = 101) and matched healthy controls (n = 60). Methods: Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were performed on PSQI's seven component scores. MI was tested between groups and across time using Bayes factor (BF). Results: Two factors were identified: sleep efficiency and perceived sleep quality. MI is evidenced between groups (BF < 0.007) and over time (BF > 150). Conclusions: PSQI scores with two subscales are comparable between postmenopausal BC survivors and controls over a 1-year period, providing some validation of PSQI for researching sleep quality in this population.
期刊介绍：
The Journal of Nursing Measurement specifically addresses instrumentation in nursing. It serves as a prime forum for disseminating information on instruments, tools, approaches, and procedures developed or utilized for measuring variables in nursing research, practice, and education. Particular emphasis is placed on evidence for the reliability and validity or sensitivity and specificity of such instruments. The journal includes innovative discussions of theories, principles, practices, and issues relevant to nursing measurement.
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