Table 1.
Descriptive statistics of examiners (n = 25,953).
| Variables | Male (19,100) | Female (6853) | p-Value |
|---|---|---|---|
| n (%) | n (%) | ||
| Age (mean ± SD, year) | 45 ± 7.35 | 43 ± 6.24 | <0.001 |
| Marital status | <0.001 | ||
| Single | 1027 (5.38) | 1244 (18.15) | |
| Married | 17,594 (92.12) | 5101 (74.43) | |
| Divorced | 415 (2.17) | 420 (6.13) | |
| Widowed | 64 (0.34) | 88 (1.28) | |
| Educational level | 0.785 | ||
| High school or less | 1589 (8.3) | 695 (10.1) | |
| College | 4530 (23.7) | 1724 (25.2) | |
| University | 7348 (38.5) | 2893 (42.2) | |
| Graduate school | 5633 (29.5) | 1541 (22.5) | |
| Smoking | 0.173 | ||
| Never | 11,176 (58.5) | 6529 (95.3) | |
| Past | 2113 (11.1) | 76 (1.1) | |
| Current | 5811 (30.4) | 248 (3.6) | |
| Alcohol consumption | 0.213 | ||
| Never | 14,028 (73.4) | 6456 (94.2) | |
| Past | 331 (1.7) | 17 (0.2) | |
| Current | 4741 (24.8) | 380 (5.5) | |
| AF | <0.001 | ||
| No | 16,012 (83.9) | 5950 (86.9) | |
| Yes | 3088 (16.1) | 903 (13.1) | |
| Sleep duration | <0.001 | ||
| <4 h | 58 (0.3) | 19 (0.3) | |
| 4–6 h | 3530 (18.5) | 1273 (18.6) | |
| 6–7 h | 13,466 (70.5) | 4677 (68.2) | |
| 7–8 h | 1938 (10.1) | 826 (12.1) | |
| >8 h | 108 (0.6) | 58 (0.8) | |
n = sample size. n% = sample size percentage. SD = standard deviation, p < 0.001.