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KMID : 1039620180080010107
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Korean Journal of Family Practice
2018 Volume.8 No. 1 p.107 ~ p.112
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Effects of Sleep on Cardiovascular Disease: A Case-Control Study
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Choi Eun-Joo
Ko Hae-Jin
Youn Chang-Ho
Kim Na-Ri
Jang Eun-Jung
Kim A-Sol
Moon Han-Na
Lee Won-Kee
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Abstract
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Background: Sleep deprivation may have adverse effects on the cardiovascular system. In this study, we investigated the relationship of sleep duration and quality with cardiovascular disease (CVD).
Methods: Data were collected from 215 participants who visited or were admitted to a regional hospital between April 2013 and November 2013. The case-control study was performed using propensity scores, and 118 subjects were selected from each group. All participants were asked to fill out the Pittsburgh Sleep Quality Index (PSQI) questionnaire to assess their sleep duration and quality.
Results: The baseline characteristics of the patients in the two groups were similar. To evaluate the association of sleep duration and quality with CVD, we used logistic regression models adjusted for sociodemographic factors and health conditions. Both sleep duration (＜7 hours; odds ratio [OR], 0.665; 95% confidence interval [CI], 0.322?1.373) and poor sleep quality (PSQI score >5; OR, 1.073; 95% CI, 0.513?2.243) over the past month were not associated with CVD. However, sleep duration (＜7 hours) 15 years prior was significantly associated with CVD (OR, 3.810; 95% CI, 1.581?9.180).
Conclusion: The evidence is insufficient to conclude that the time and quality of sleep are associated with the occurrence of CVD; however, chronic sleep deprivation was associated with the risk of CVD. Larger prospective cohort studies need to be conducted.
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KEYWORD
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Cardiovascular Disease, Sleep, Sleep Deprivation
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