Table1.
Baseline characteristics of the participants
| Characteristic | Non-OSA group (N = 8107) | OSA group (N = 1626) | P |
|---|---|---|---|
| Age, years, mean (S.D.) | 55.48 (9.98) | 58.53 (8.93) | < 0.001* |
| Sex, N (%) | < 0.001† | ||
| Male | 2469 (30.45) | 804 (49.45) | |
| Female | 5638 (69.55) | 822 (50.55) | |
| Education, N (%) | 0.003‡ | ||
| Primary school or lower | 2879 (35.51) | 590 (36.28) | |
| Junior high school | 2081 (25.67) | 397 (24.42) | |
| Senior high school | 2043 (25.20) | 462 (28.41) | |
| College or above | 1104 (13.62) | 177 (10.89) | |
| Marital status, N (%) | < 0.001† | ||
| Married | 7099 (87.57) | 1476 (90.77) | |
| Others | 1008 (12.43) | 150 (9.23) | |
| Active smoking, N (%) | < 0.001† | ||
| No | 6934 (85.53) | 1292 (79.46) | |
| Yes | 1173 (14.47) | 334 (20.54) | |
| Passive smoking, N (%) | 0.004 † | ||
| No | 5071 (62.55) | 955 (58.73) | |
| Yes | 3036 (37.45) | 671 (41.27) | |
| Alcohol, N (%) | < 0.001† | ||
| Never or former drinking | 6404 (78.99) | 1168 (71.83) | |
| Occasional or frequent drinking | 1703 (21.01) | 458 (28.17) | |
| Dietary quality score, mean (S.D.) | 7.43 (1.78) | 7.19 (1.83) | < 0.001* |
| Waist-hip ratio, mean (S.D.) | 0.87 (0.07) | 0.92 (0.06) | < 0.001* |
|
Leisure-time physical activity, MET-h/week, median (IQR) |
35.70 (17.80, 59.20) | 34.70 (15.00, 58.80) | < 0.001§ |
| Mental status, N (%) | 0.100 † | ||
| Unhealthy | 96 (1.18) | 28 (1.72) | |
| Healthy | 8011 (98.82) | 1598 (98.28) | |
| Body mass index, kg/m2, mean (S.D.) | 23.54 (3.26) | 26.34 (3.84) | < 0.001* |
| Neck circumference, cm, mean (S.D.) | 34.17 (3.05) | 36.59 (3.45) | < 0.001* |
| Hypertension, N (%) | < 0.001† | ||
| No | 5669 (69.93) | 157 (9.66) | |
| Yes | 2438 (30.07) | 1469 (90.34) | |
| Diabetes, N (%) | < 0.001† | ||
| No | 7509 (92.62) | 1446 (88.93) | |
| Yes | 598 (7.38) | 180 (11.07) | |
| Retirement status, N (%) | < 0.001† | ||
| No | 4149 (51.18) | 683 (42.00) | |
| Yes | 3958 (48.82) | 943 (58.00) | |
| Dyslipidemia, N (%) | < 0.001† | ||
| No | 2497 (30.80) | 414 (25.46) | |
| Yes | 5610 (69.20) | 1212 (74.54) | |
| Healthy lifestyle score, N (%) | < 0.001‡ | ||
| 0–3 | 684 (8.43) | 272 (16.73) | |
| 4 | 1166 (14.38) | 303 (18.63) | |
| 5 | 2310 (28.49) | 514 (31.61) | |
| 6 | 2772 (34.19) | 438 (26.94) | |
| 7 | 1175 (14.49) | 99 (6.09) |
*P value for t-test
†P for chi-square test
‡P for Cochran–Armitage trend test
§P for Wilcoxon rank-sum test