Byars Kelly C, Simon Stacey L, Peugh James, Beebe Dean W
Pulmonary Medicine, Cincinnati Children's Hospital Medical Center.
Behavioral Medicine & Clinical Psychology, Cincinnati Children's Hospital Medical Center.
J Pediatr Psychol. 2017 May 1;42(4):466-475. doi: 10.1093/jpepsy/jsw077.
Evaluate psychometric properties of the Pediatric Insomnia Severity Index (PISI), a brief measure of insomnia severity.
Clinically referred youth ( n = 462; 283 males, 179 females, mean age = 7.28 ± 2.05 years) and their caregiver(s) completed sleep evaluation including the PISI, Children's Sleep Habits Questionnaire, and sleep disorders inventory for students. Tests of reliability and validity and confirmatory factor analysis (CFA) were conducted to assess PISI psychometric properties. Exploratory analyses were conducted to examine insomnia severity by insomnia diagnosis.
Measures of internal consistency for the PISI factor scores varied. CFA indicated that a two-factor model had optimal fit relative to a single-factor solution. Overall, convergent and discriminant validity of PISI factors were supported. Insomnia severity varied by diagnosis.
Findings provide preliminary support for the reliability and validity of the PISI within a large pediatric sample and for its clinical utility as a brief measure of insomnia severity.
评估儿童失眠严重程度指数（PISI）的心理测量特性，这是一种衡量失眠严重程度的简短工具。
临床转诊的青少年（n = 462；男性283名，女性179名，平均年龄 = 7.28 ± 2.05岁）及其照顾者完成了睡眠评估，包括PISI、儿童睡眠习惯问卷和学生睡眠障碍量表。进行了信效度测试和验证性因素分析（CFA）以评估PISI的心理测量特性。进行探索性分析以按失眠诊断检查失眠严重程度。
PISI因子得分的内部一致性测量结果各不相同。CFA表明，相对于单因素模型，双因素模型具有最佳拟合度。总体而言，PISI因子的聚合效度和区分效度得到了支持。失眠严重程度因诊断而异。
研究结果为PISI在大型儿科样本中的信效度及其作为失眠严重程度简短测量工具的临床效用提供了初步支持。
