Department of Family Sciences.
Department of Laboratory Science and Primary Care.
Psychol Assess. 2021 Sep;33(9):816-826. doi: 10.1037/pas0001027. Epub 2021 May 20.
Sleep is closely related to physical and mental health problems as well as problem behaviors among adolescents and young adults. Thus, to better understand sleep seems paramount, including how to best measure it. The Pittsburgh Sleep Quality Index (PSQI) is one of the most widely used sleep measures. Some recent psychometric evidence (i.e., inconsistent dimensionality across studies) has called into question the application of this clinically developed measure. The current study sought to rigorously test the dimensionality of the measure, by comparing a psychometric application of it to a clinical application. It also tested correlates of sleep quality measured by the PSQI, including academic achievement, mental health, and substance use (alcohol and drug use) . Data were collected from 820 college students using an online computer-assisted protocol. Results from factor analyses supported a 2-factor solution for the PSQI. Findings from path analyses using scale scores based on the extracted factor structure as the independent variable provided evidence that the psychometric approach worked equally well as the clinical application using the global sleep quality risk score , providing some support for the use of a psychometric approach of the PSQI. Sleep quality scores (both scale and global sleep quality risk scores) were consistently associated with academic achievement, mental health, and substance use problems, thus providing further support on the importance of good sleep for young adults. (PsycInfo Database Record (c) 2021 APA, all rights reserved).
睡眠与青少年和年轻人的身心健康问题以及行为问题密切相关。因此，更好地了解睡眠似乎至关重要，包括如何最好地衡量睡眠。匹兹堡睡眠质量指数 (PSQI) 是最常用的睡眠测量方法之一。一些最近的心理测量学证据（即研究之间维度不一致）对这种临床开发的测量方法的应用提出了质疑。本研究旨在通过将其心理测量学应用与临床应用进行比较，严格测试该测量方法的维度。它还测试了 PSQI 测量的睡眠质量的相关因素，包括学业成绩、心理健康和物质使用（酒精和药物使用）。使用在线计算机辅助协议从 820 名大学生那里收集了数据。因子分析的结果支持 PSQI 的 2 因素解决方案。使用基于提取的因子结构的量表得分作为自变量的路径分析的结果为心理测量方法与使用整体睡眠质量风险评分的临床应用同样有效提供了证据，为使用 PSQI 的心理测量方法提供了一些支持。睡眠质量评分（量表和整体睡眠质量风险评分）与学业成绩、心理健康和物质使用问题始终相关，因此进一步支持了年轻人良好睡眠的重要性。（PsycInfo 数据库记录（c）2021 APA，保留所有权利）。
