Table 2.
Association between sleep duration and mental health in Korean adults aged ≥19 years participating in KNHANES V
| Sleep durations | Comparison between ≤6 h and 7–8 h (Ref) of sleep | Comparison between ≥9 h and 7–8 h (Ref) of sleep | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Factorsa | OR (95 % CI) | OR (95 % CI) | |||||||||
| ≤6 | 7 ~ 8 | ≥9 | p-value | Crude | Sociodemographic factors adjustedb | Fully adjusted (including chronic disease) | Crude | Sociodemographic factors adjustedb | Fully adjusted (including chronic disease) | ||
| Men | n = 3110 | n = 3861 | n = 511 | ||||||||
| Stress perception | |||||||||||
| High | 833 (48.2) | 797 (46.1) | 100 (5.8) | <.0001 | 1.37 (1.14–1.65) | 1.40 (1.14–1.72) | 1.43 (1.15–1.78) | 0.95 (0.67–1.33) | 1.21 (0.82–1.78) | 1.09 (0.73–1.64) | |
| Low | 1768 (39.9) | 2376 (53.6) | 286 (6.5) | 0.96 (0.81–1.13) | 0.99 (0.82–1.20) | 1.00 (0.82–1.22) | 0.82 (0.62–1.09) | 0.99 (0.73–1.35) | 0.96 (0.70–1.31) | ||
| Almost none | 509 (38.5) | 688 (52.0) | 125 (9.5) | ||||||||
| Depressive symptom morbidity | |||||||||||
| No | 2806 (41.2) | 3556 (52.2) | 445 (6.5) | 0.0011 | |||||||
| Yes | 304 (45.0) | 305 (45.2) | 66 (9.8) | 1.20 (0.97–1.50) | 1.18 (0.93–1.49) | 1.26 (0.98–1.61) | 1.96 (1.36–2.82) | 1.38 (0.91–2.10) | 1.37 (0.88–2.15) | ||
| Thoughts of suicide | |||||||||||
| No | 2754 (41.0) | 3527 (52.5) | 443 (6.6) | 0.0006 | |||||||
| Yes | 356 (47.0) | 334 (44.1) | 68 (9.0) | 1.38 (1.13–1.69) | 1.34 (1.07–1.67) | 1.39 (1.09–1.76) | 1.76 (1.23–2.51) | 1.32 (0.90–1.93) | 1.42 (0.94–2.15) | ||
| Psychiatric counseling | |||||||||||
| No | 3059 (41.5) | 3818 (51.8) | 499 (6.8) | <.0001 | |||||||
| Yes | 51 (48.1) | 43 (40.6) | 12 (11.3) | 1.59 (0.95–2.68) | 1.75 (1.00–3.07) | 2.21 (1.18–4.14) | 4.68 (2.17–10.12) | 3.44 (1.39–8.52) | 4.27 (1.57–11.58) | ||
| Women | n = 4274 | n = 5075 | n = 807 | ||||||||
| Stress perception | |||||||||||
| High | 1404 (48.0) | 1294 (44.2) | 229 (7.8) | <.0001 | 1.29 (1.10–1.52) | 1.78 (1.46–2.16) | 1.71 (1.40–2.09) | 0.83 (0.62–1.11) | 0.67 (0.49–0.93) | 0.74 (0.52–1.04) | |
| Low | 2239 (39.1) | 3066 (53.5) | 423 (7.4) | 0.90 (0.77–1.04) | 1.25 (1.05–1.49) | 1.23 (1.03–1.47) | 0.67 (0.52–0.87) | 0.68 (0.51–0.90) | 0.71 (0.53–0.96) | ||
| Almost none | 630 (42.1) | 711 (47.6) | 154 (10.3) | ||||||||
| Depressive symptom morbidity | |||||||||||
| No | 3476 (41.1) | 4343 (51.3) | 648 (7.7) | <.0001 | |||||||
| Yes | 797 (47.3) | 731 (43.4) | 158 (9.4) | 1.41 (1.23–1.60) | 1.21 (1.05–1.40) | 1.71 (1.40–2.09) | 1.55 (1.22–1.96) | 1.19 (0.92–1.55) | 0.74 (0.52–1.04) | ||
| Thoughts of suicide | |||||||||||
| No | 3405 (40.9) | 4281 (51.4) | 647 (7.8) | <.0001 | |||||||
| Yes | 869 (47.8) | 790 (43.5) | 159 (8.8) | 1.39 (1.22–1.58) | 1.12 (0.97–1.30) | 1.13 (0.98–1.30) | 1.37 (1.07–1.76) | 1.00 (0.76–1.32) | 1.00 (0.76–1.31) | ||
| Psychiatric counseling | |||||||||||
| No | 4135 (42.0) | 4947 (50.2) | 775 (7.9) | 0.1502 | |||||||
| Yes | 139 (46.8) | 126 (42.4) | 32 (10.8) | 1.12 (0.83–1.51) | 1.10 (0.81–1.51) | 1.13 (0.83–1.55) | 1.56 (0.99–2.46) | 1.14 (0.68–1.90) | 1.14 (0.69–1.87) | ||
Multinomial logistic regression analysis
aCalculated using Rao-scott chi-square test
bAdjusted for age, sex, household income, education, marital status, employment, BMI, smoking, alcohol consumption, level of daily activity, subjective health, bed rest for the past month and absence from work for the past month