Table 1.
General characteristics of the population according to sleep quality and sleep duration
| Sleep quality | Sleep duration | |||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Poor (n=97) | Good (n=191) | P | <7 h (n=107) | ≥7 h (n=181) | P | |
| Age (years) | 45.0±1.7 | 43.8±1.3 | 0.582 | 49.8±1.5 | 40.9±1.3 | <0.001 |
| Sex | 0.531 | 0.171 | ||||
| Men | 50 (51.5) | 91 (47.6) | 58 (54.2) | 83 (45.9) | ||
| Women | 47 (48.5) | 100 (52.4) | 49 (45.8) | 98 (54.1) | ||
| Height (cm) | 166.8±1.0 | 165.4±0.6 | 0.209 | 165.6±0.9 | 166.1±0.6 | 0.642 |
| Weight (kg) | 64.5±1.4 | 63.3±0.8 | 0.375 | 65.9±1.2 | 62.3±0.9 | 0.015 |
| BMI (kg/m2) | 23.0±0.3 | 23.0±0.2 | 0.980 | 23.9±0.3 | 22.4±0.2 | <0.001 |
| Obesity prevalence (%) | 28.9 | 20.9 | 0.135 | 31.8 | 18.8 | 0.012 |
| Alcohol consumption | 0.324 | 0.002 | ||||
| Non-drinker | 45 (46.4) | 77 (40.3) | 58 (54.2) | 64 (35.4) | ||
| Current drinker | 52 (53.6) | 114 (59.7) | 49 (45.8) | 117 (64.6) | ||
| Smoking | 0.567 | 0.236 | ||||
| Non-smoker | 83 (85.6) | 168 (88.0) | 90 (84.1) | 161 (89.0) | ||
| Current smoker | 14 (14.4) | 23 (12.0) | 17 (15.9) | 20 (11.0) | ||
| Dietary supplementation | 0.371 | 0.433 | ||||
| No | 51 (52.6) | 111 (58.1) | 57 (53.3) | 105 (58.0) | ||
| Yes | 46 (47.4) | 80 (41.9) | 50 (46.7) | 76 (42.0) | ||
| Exercise (≥30 min) | 0.686 | 0.170 | ||||
| <3 d/wk | 56 (57.7) | 115 (60.2) | 58 (54.2) | 113 (62.4) | ||
| ≥3 d/wk | 44 (42.3) | 76 (39.8) | 49 (45.8) | 68 (37.6) | ||
| Education | 0.061 | 0.523 | ||||
| ≤High school | 33 (34.0) | 87 (45.5) | 42 (39.4) | 78 (43.1) | ||
| >High school | 64 (66.0) | 104 (54.5) | 65 (60.7) | 103 (56.9) | ||
| Job | 0.234 | 0.431 | ||||
| Unemployed | 41 (42.3) | 67 (35.1) | 71 (39.2) | 108 (37.5) | ||
| Employed | 56 (57.7) | 124 (64.9) | 110 (60.8) | 180 (62.5) | ||
Values represent the mean±SD or N (%).
P-values were calculated using the Student’s t-test and the chi-square test.