Table 1.
Basic characteristics of the study participants
| Characteristics | Non-OSA (N = 8107) | OSA (N = 1626) | P value |
|---|---|---|---|
| Age, year, mean (S.D.) | 55.48 (9.98) | 58.53 (8.93) | < 0.001* |
| Sex (%) | < 0.001† | ||
| Male | 2469 (30.46) | 804 (49.45) | |
| Female | 5638 (69.54) | 822 (50.55) | |
| Marital status, marital, N (%) | < 0.001† | ||
| Married | 7099 (87.57) | 1476 (90.77) | |
| Others | 1008 (12.43) | 150 (9.23) | |
| Educational status, N (%) | 0.002† | ||
| Primary school and lower | 2879 (35.51) | 590 (36.29) | |
| Junior high school | 2081 (25.67) | 397 (24.42) | |
| Senior high school | 2043 (25.20) | 462 (28.41) | |
| College and above | 1104 (13.62) | 177 (10.89) | |
| Smoking, N (%) | < 0.001† | ||
| Never | 6605 (81.47) | 1160 (71.34) | |
| Occasion | 329 (4.06) | 132 (8.12) | |
| Frequent | 1173 (14.47) | 334 (20.54) | |
| Alcohol drinking, N (%) | < 0.001† | ||
| Never | 6404 (78.99) | 1168 (71.83) | |
| Occasion | 1268 (15.64) | 305 (18.76) | |
| Frequent | 435 (5.37) | 153 (9.41) | |
| Work intensity, N (%) | < 0.001† | ||
| Light | 2801 (34.55) | 429 (26.38) | |
| Moderate | 888 (10.95) | 163 (10.02) | |
| Vigorous | 460 (5.67) | 91 (5.60) | |
| Retirement | 3958 (48.82) | 943 (58.00) | |
| Vegetable intake, N (%) | 0.049† | ||
| < once/day | 280 (3.45) | 73 (4.49) | |
| ≥ once/day | 7827 (96.55) | 1553 (95.51) | |
| Fruit intake, N (%) | < 0.001† | ||
| < once/day | 2837 (34.99) | 661 (40.65) | |
| ≥ once/day | 5270 (65.01) | 965 (59.35) | |
| Hypertension, yes, N (%) | < 0.001† | ||
| No | 5669 (69.93) | 157 (9.66) | |
| Yes | 2438 (30.07) | 1469 (90.34) | |
| Dyslipidemia, yes, N (%) | < 0.001† | ||
| No | 2497 (30.80) | 414 (25.46) | |
| Yes | 5610 (69.20) | 1212 (74.54) | |
| LTPA, MET-h/week, median (IQR) | 35.70 (17.80, 59.20) | 34.70 (15.50, 58.80) | < 0.001* |
| WHR, median (IQR) | 0.87 (0.82,0.92) | 0.91 (0.87,0.96) | < 0.001‡ |
| VAI, median (IQR) | 7.00 (5.00, 10.00) | 11.00 (8.00, 15.00) | < 0.001‡ |
| LAP, median (IQR) | 28.90 (16.71, 47.76) | 44.70 (27.80, 69.15) | < 0.001‡ |
| RMR, Kcal/day, median (IQR) | 1260.00 (1151.00,1431.50) | 1435.00 (1277.00,1607.75) | < 0.001‡ |
| BMI, kg/m2, mean (S.D.) | 23.54 (3.26) | 26.34 (3.84) | < 0.001* |
| NC, cm, mean (S.D.) | 34.17 (3.05) | 36.59 (3.45) | < 0.001* |
| BF%, mean (S.D.) | 30.18 (6.19) | 31.40 (6.23) | < 0.001* |
Abbreviation: LTPA Leisure-time physical activity, LAP Lipid accumulation product, VAI Visceral adiposity index, RMR Resting metabolic rate, WHR Waist-to-hip ratio, BMI Body mass index, NC Neck circumference, BF% Body fat percentage
* P value from t test
† P value from chi-square test
‡ P value from Wilcoxon rank sum test