匹兹堡睡眠质量指数在埃塞俄比亚社区居住成年人中的验证
Validation of the Pittsburgh sleep quality index in community dwelling Ethiopian adults.
作者信息
Salahuddin Mohammed, Maru Tarekegn Tesfaye, Kumalo Abera, Pandi-Perumal Seithikurippu R, Bahammam Ahmed S, Manzar Md Dilshad
机构信息
Department of Pharmacy, College of Health Sciences, Mizan-Tepi University, Mizan Aman, Ethiopia.
Department of Biomedical Sciences, College of Health Sciences, Mizan-Tepi University (Mizan Campus), Mizan Aman, Ethiopia.
出版信息
Health Qual Life Outcomes. 2017 Mar 27;15(1):58. doi: 10.1186/s12955-017-0637-5.
BACKGROUND
The applicability of the Pittsburgh Sleep Quality Index (PSQI) in screening of insomnia is demonstrated in various populations. But, the tool has not been validated in a sample of Ethiopians. Therefore, this study aimed to assess its psychometric properties in community dwelling Ethiopian adults.
MATERIAL AND METHODS
Participants (n = 311, age = 25.5 ± 6.0 years and body mass index = 22.1 ± 2.3 kg/m) from Mizan-Aman town, Southwest Ethiopia completed the PSQI and a semi-structured questionnaire for socio-demographics. Clinical interview for screening of insomnia according to the International Classification of Sleep Disorders was carried out as a concurrent validation measure.
RESULTS
Overall, the PSQI scale did not have floor effect and ceiling effects. Moderate internal consistency (Cronbach's alpha was 0.59) and sufficient internal homogeneity as indicated by correlation coefficient between component scores and the global PSQI score was found. The PSQI was of good value for screening insomnia with optimal cut-off scores of 5.5 (sensitivity 82%, specificity 56.2%) and the area under the curve, 0.78 (p < 0.0001). The PSQI has unidimensional factor structure in the Ethiopian community adults for screening insomnia.
CONCLUSION
The PSQI has good psychometric validity in screening for insomnia among Ethiopians adults.
背景
匹兹堡睡眠质量指数（PSQI）在不同人群中筛查失眠的适用性已得到证实。但是，该工具尚未在埃塞俄比亚样本中进行验证。因此，本研究旨在评估其在埃塞俄比亚社区成年人群中的心理测量学特性。
材料与方法
来自埃塞俄比亚西南部米赞-阿曼镇的参与者（n = 311，年龄 = 25.5 ± 6.0岁，体重指数 = 22.1 ± 2.3 kg/m）完成了PSQI和一份关于社会人口统计学的半结构化问卷。根据《国际睡眠障碍分类》进行失眠筛查的临床访谈作为同步验证措施。
结果
总体而言，PSQI量表没有地板效应和天花板效应。发现具有中等内部一致性（Cronbach's α为0.59），且各分量表得分与PSQI总分之间的相关系数表明具有足够的内部同质性。PSQI在筛查失眠方面具有良好价值，最佳截断分数为5.5（敏感性82%，特异性56.2%），曲线下面积为0.78（p < 0.0001）。在埃塞俄比亚社区成年人中，PSQI具有单维因子结构用于筛查失眠。
结论
PSQI在埃塞俄比亚成年人失眠筛查中具有良好的心理测量学效度。
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