Korean J Health Promot.  2020 Jun;20(2):49-57. 10.15384/kjhp.2020.20.2.49.

Prevalence of Sleep Disturbance in Korean University Students: A Systematic Review and Meta-Analysis

• Hwang E
• Shin S

• KMID: 2503934
• DOI: http://doi.org/10.15384/kjhp.2020.20.2.49

Abstract

Background
This systematic review and meta-analysis aimed at investigating the current status and prevalence of sleep disturbance in Korean university students and provide evidence to develop appropriate strategies for improving sleep disturbance.
Methods
Pooled prevalence of sleep disturbance in Korean university students was assessed using PubMed, CINAHL, Research Information Sharing Service, National Assembly Library, Korean studies Information Service System, and Korea Citation Index databases. A total of 1,843 studies were retrieved from the literature search, and 14 studies were included in the analysis. Statistical analysis was performed using comprehensive meta-analysis software.
Results
The overall pooled prevalence was 48.9% (95% confidence interval [CI], 41.6-56.3%). Subgroup analyses revealed that the pooled prevalence rates were 59.2% (95% CI, 38.8-50.7%) in the Pittsburgh Sleep Quality Index (PSQI)-based and 26.0% (95% CI, 19.5-33.9%) in non-PSQI-based studies, 23.2% (95% CI, 15.6-33.1%) in low-quality and 56.9% (95% CI, 49.3-64.2%) in moderate-quality studies, 35.6% (95% CI, 33.4-37.8%) in studies published before 2010 and 51.4% (95% CI, 42.9-59.8%) in studies published since 2011.
Conclusions
The prevalence of sleep disturbance is higher in university students. Therefore, further studies are needed to identify sleep problems of university students and gain future-oriented insights to develop mediation strategies.

Keyword

Sleep deprivation; Sleep hygiene; Systematic review; Meta-analysis; Students

Figure

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  Fig. 1. Flow chart of study selection. RISS, Research Information Sharing Service; KCI, Korea Citation Index; NAL, National Assembly Library; KISS, Korean studies Information Service System.

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  Fig. 2. Pooled prevalence of sleep disturbance among Korean university students. CI, confidence interval.

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  Fig. 3. Subgroup analysis of pooled prevalence according to the instruments. CI, confidence interval.

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  Fig. 4. Subgroup analysis of pooled prevalence according to the quality score. CI, confidence interval.

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  Fig. 5. Subgroup analysis of pooled prevalence according to the publication year. CI, confidence interval.

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