Sleep Hygiene Index: reliability and validity of the Persian version in the male population

Azita Chehri; Hiwa Mohammadi; Saeedeh Negahban; Habibolah Khazaie

doi:10.22110/jkums.v20i1.3074

Journal of Kermanshah University of Medical Sciences

Peer-reviewed Medical Quarterly

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https://doi.org/10.22110/jkums.v20i1.3074

Sleep Hygiene Index: reliability and validity of the Persian version in the male population

Author(s):

Azita Chehri¹,

Hiwa Mohammadi²,

Saeedeh Negahban³,

Habibolah Khazaie^2,*

1Department of Psychology, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran

2Sleep Disorders Research Center, Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran

3Department of Psychiatry, School of Medicine, Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran

Journal of Kermanshah University of Medical Sciences:Vol. 20, issue 1; e69744

Published online:Jun 19, 2016

Article type:Research Article

Received:Apr 05, 2016

Accepted:Apr 26, 2016

How to Cite:Azita ChehriHiwa MohammadiSaeedeh NegahbanHabibolah KhazaieSleep Hygiene Index: reliability and validity of the Persian version in the male population.J Kermanshah Univ Med Sci.20(1):e69744.https://doi.org/10.22110/jkums.v20i1.3074.

Abstract

Introduction: Inadequate sleep hygiene may result in difficulties in daily functioning; therefore, reliable scales are important to measure sleep hygiene. The purpose of this study was to assess the psychometric properties of the Persian version of Sleep Hygiene Index (SHI) in the male population.

Methods: In this study, 787 men, who were selected by cluster random sampling, filled out the SHI, Pittsburgh Sleep Quality Index (PSQI), Epworth Sleepiness Scale (ESS), and Insomnia Severity Index (ISI). A subset of the participants (20%) completed SHI after a 4–6 week interval to measure test–retest reliability. Then, the Pearson product–moment correlation coefficients of SHI against PSQI, ESS, and ISI were computed to demonstrate the construct validity of SHI. The factor structure of SHI was evaluated by explanatory factor analysis.

Results: The interclass correlation coefficient was 0.85, and SHI was found to have a good test–retest reliability (r = 0.86, p < 0.01). The SHI was positively correlated with the total score of PSQI (r = 0.62, P < 0.01), ESS (r = 0.63, P < 0.01) and ISI (r = 0.61, P < 0.01). Exploratory factor analysis extracted three factors, namely “sleep–wake cycle behaviors” (four items), “bedroom factors” (three items), and “behaviors affecting sleep” (six items).

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Search Relations

Author(s):

Azita Chehri:[PubMed][Scholar]
Hiwa Mohammadi:[PubMed][Scholar]
Saeedeh Negahban:[PubMed][Scholar]
Habibolah Khazaie:[PubMed][Scholar]