《PSS-10 泰文版：心理测量学特性研究》。
The Thai version of the PSS-10: An Investigation of its psychometric properties.
机构信息
Department of Psychiatry, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
出版信息
Biopsychosoc Med. 2010 Jun 12;4:6. doi: 10.1186/1751-0759-4-6.
BACKGROUND
Among the stress instruments that measure the degree to which life events are perceived as stressful, the Perceived Stress Scale (PSS) is widely used. The goal of this study was to examine the psychometric properties of a Thai version of the PSS-10 (T-PSS-10) with a clinical and non-clinical sample. Internal consistency, test-retest reliability, concurrent validity, and the factorial structure of the scale were tested.
METHODS
A total sample of 479 adult participants was recruited for the study: 368 medical students and 111 patients from two hospitals in Northern Thailand. The T-PSS-10 was used along with the Thai version of State Trait Anxiety Inventory (STAI), the Thai Version of the Rosenberg Self-Esteem Scale (RSES), and the Thai Depression Inventory (TDI).
RESULTS
Exploratory Factor Analysis (EFA) yielded 2 factors with eigenvalues of 5.05 and 1.60, accounting for 66 percent of variance. Factor 1 consisted of 6 items representing "stress"; whereas Factor 2 consisted of 4 items representing "control". The item loadings ranged from 0.547 to 0.881. Investigation of the fit indices associated with Maximum Likelihood (ML) estimation revealed that the two-factor solution was adequate [chi2 = 35.035 (df = 26, N = 368, p < 0.111)]; Goodness-of-Fit Index (GFI) = 0.981; Root Mean Square Residual (RMR) = 0.022; Standardized Root Mean square Residual (SRMR) = 0.037, Comparative Fit Index (CFI) = 0.989; Normed Fit Index (NFI) = 0.96, Non-Normed Fit Index (NNFI) = 0.981, Root Mean Square Error of Approximation (RMSEA) = 0.031. It was found that the T-PSS-10 had a significant positive correlation with the STAI (r = 0.60, p < 0.0001), and the TDI (r = 0.55, p < 0.0001); and was significantly negatively correlated with the RSES (r = -0.46, p < 0.0001, N = 368). The overall Cronbach's alpha was 0.85. The ICC was 0.82 (95% CI, 0.72 and 0.88) at 4 week-retest reliability.
CONCLUSIONS
The Thai version of the PSS-10 demonstrated excellent goodness-of-fit for the two factor solution model, as well as good reliability and validity for estimating the level of stress perception with a Thai population. Limitations of the study are discussed.
背景
在衡量生活事件感知压力程度的压力量表中，普遍使用感知压力量表（PSS）。本研究旨在用临床和非临床样本检验泰版感知压力量表 10 项简表（T-PSS-10）的心理测量学特性。检验了量表的内部一致性、重测信度、同时效度和因子结构。
方法
共有 479 名成年参与者参加了这项研究：368 名医学生和泰国北部 2 家医院的 111 名患者。使用 T-PSS-10 以及泰版状态特质焦虑量表（STAI）、泰版罗森伯格自尊量表（RSES）和泰版抑郁量表（TDI）。
结果
探索性因素分析（EFA）得出了 2 个特征值分别为 5.05 和 1.60 的因子，占总方差的 66%。因子 1 由代表“压力”的 6 个项目组成；而因子 2 由代表“控制”的 4 个项目组成。项目的负荷值在 0.547 到 0.881 之间。对最大似然估计（ML）相关拟合指数的调查显示，两因素解决方案是适当的[卡方=35.035（df=26，N=368，p<0.111）]；良好拟合指数（GFI）=0.981；均方根残差（RMR）=0.022；标准化均方根残差（SRMR）=0.037，比较拟合指数（CFI）=0.989；归一拟合指数（NFI）=0.96，非归一拟合指数（NNFI）=0.981，近似均方根误差（RMSEA）=0.031。发现 T-PSS-10 与 STAI（r=0.60，p<0.0001）和 TDI（r=0.55，p<0.0001）呈显著正相关；与 RSES（r=-0.46，p<0.0001，N=368）呈显著负相关。总体 Cronbach's alpha 为 0.85。4 周重测信度的 ICC 为 0.82（95%CI，0.72-0.88）。
结论
泰版 PSS-10 对两因素解决方案模型具有良好的拟合优度，以及对泰国人群压力感知水平的良好信度和效度。讨论了研究的局限性。
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