Sleep duration (h) | P value | ||||
---|---|---|---|---|---|
≤ 7 (n = 6762) | > 7 to ≤ 8 (n = 12,369) | > 8 to ≤ 9 (n = 10,214) | > 9 (n = 4538) | ||
Age (y) | 55.7 (10.2) | 55.0 (11.1) | 55.8 (11.7) | 58.2 (12.0) | < 0.001 |
Male (%) | 45.3 | 38.1 | 38.4 | 43.8 | < 0.001 |
SBP (mmHg) | 133.0 (19.2) | 133.2 (19.3) | 133.3 (19.6) | 138.8 (19.4) | < 0.001 |
DBP (mmHg) | 80.0 (10.8) | 79.9 (10.6) | 80.0 (10.6) | 80.5 (10.2) | 0.018 |
BMI (kg/m2) | 24.7 (3.3) | 24.3 (3.3) | 24.2 (3.3) | 24.3 (3.4) | < 0.001 |
HDL-C (mmol/L) | 1.40 (0.34) | 1.42 (0.34) | 1.42 (0.36) | 1.41 (0.41) | 0.004 |
LDL-C (mmol/L) | 2.76 (0.83) | 2.78 (0.83) | 2.79 (0.83) | 2.81 (0.84) | 0.016 |
TG (mmol/L) | 1.35 (0.98,1.92) | 1.33 (0.96,1.89) | 1.34 (0.97,1.91) | 1.37 (0.99,1.97) | 0.001 |
TC (mmol/L) | 4.92 (0.93) | 4.93 (0.93) | 4.95 (0.94) | 4.98 (0.94) | 0.008 |
FPG (mmol/L) | 4.75 (4.30,5.38) | 4.72 (4.26,5.35) | 4.70 (4.25,5.35) | 4.75 (4.25,5.48) | < 0.001 |
HbA1C (%) | 5.82 (0.85) | 5.76 (0.82) | 5.74 (0.84) | 5.79 (0.94) | < 0.001 |
Physical activity (%) | < 0.001 | ||||
low | 34.4 | 33.7 | 36.0 | 37.2 | |
moderate | 30.8 | 31.2 | 31.2 | 32.6 | |
high | 34.8 | 35.1 | 32.9 | 30.3 | |
Smoking (% yes) | 29.4 | 21.8 | 21.5 | 24.8 | < 0.001 |
Alcohol intake (% yes) | 16.1 | 12.6 | 12.1 | 16.2 | < 0.001 |
Hypertension (% yes) | 50.0 | 49.0 | 50.2 | 55.2 | < 0.001 |
Diabetes (% yes) | 10.5 | 9.2 | 9.9 | 12.1 | < 0.001 |
Dyslipidemia (% yes) | 54.7 | 53.6 | 54.9 | 56.9 | 0.002 |
Obesity (% yes) | 16.3 | 14.0 | 13.7 | 14.3 | < 0.001 |
Depression (% yes) | 0.5 | 0.4 | 0.5 | 0.5 | 0.594 |
Sleep medication (%) | 0.003 | ||||
Never | 97.4 | 97.6 | 97.6 | 97.1 | |
< 1/week | 1.1 | 0.9 | 0.8 | 0.8 | |
1 ~ 2/week | 0.7 | 0.6 | 0.8 | 0.7 | |
≥ 3/week | 0.8 | 0.9 | 0.9 | 1.5 | |
Marital status (%) | < 0.001 | ||||
Married | 92.9 | 93.4 | 93.4 | 91.4 | |
Divorced | 1.7 | 1.4 | 1.1 | 1.1 | |
Widow/widower | 4.3 | 3.8 | 4.1 | 5.4 | |
Unmarried | 1.1 | 1.3 | 1.3 | 2.1 | |
Education (%) | < 0.001 | ||||
Junior middle or lower | 41.9 | 41.2 | 47.4 | 57.9 | |
Senior middle school | 49.7 | 48.4 | 42.9 | 34.3 | |
College or above | 8.4 | 10.4 | 9.7 | 7.7 | |
Occupation (%) | < 0.001 | ||||
Officer | 37.4 | 36.3 | 32.4 | 25.2 | |
Businessman/servicer | 14.9 | 14 | 14.8 | 13.4 | |
Manual worker | 24.7 | 28.1 | 32.8 | 38.2 | |
Others/retired | 23.0 | 21.7 | 20.0 | 23.2 |