Table 3.
Characteristics of the male participants across sleep duration
| 5 to 6 | 7 to 8 | 9 to 10 | |
|---|---|---|---|
| N (%) | 303(9.2) | 2362(68.2) | 738(22.6) |
| Age (years) | 54.6(45.1–63.6)* | 49(39.1–58.6) | 51.2(37.8–61.4)# |
| Education < high school (%) | 72.3 | 69.3 | 77.8* |
| Rural region (%) | 55* | 69 | 73.1# |
| Current smoking (%) | 59.4 | 56.1 | 55.2 |
| Drinking (%) | 64.8 | 62.5 | 57.3*# |
| Medical history | |||
| Hypertension (%) | 16.4* | 10.2 | 14.6* |
| Diabetes (%) | 4.4 | 3.2 | 3.4 |
| Systolic blood pressure (mmHg) | 122(115–138) | 121(114–132) | 121(112–135) |
| Diastolic blood pressure (mmHg) | 81(77–90) | 81(76–89) | 80(73–88)*# |
| BMI (kg/m2) | 23.2(21–25.8) | 23.3(21.1–25.5) | 23(20.7–25.4)* |
| WC (cm) | 84.7(78–92) | 84.5(77.4–91.3) | 83.2(76–90.4)*# |
| FPG (mg/dl) | 92.9(83.9–104.6) | 92.5(85.1–102.1) | 91.6(84.6–101.2) |
| HbA1c (%) | 5.5(5.3–5.9) | 5.5(5.2–5.8) | 5.5(5.2–5.8) |
| Hs-CRP (mg/l) | 1(1–3) | 1(1–2) | 1(1–2) |
| Uric acid (mg/dl) | 5.7(4.7–6.7) | 5.7(4.8–6.7) | 5.7(4.8–6.6) |
| Total cholesterol (mg/dl) | 181.8(160.1–213.1) | 183.3(160.5–209.6) | 180.6(158.1–204.8) |
| Triglycerides (mg/dl) | 121.4(77.9–189.5) | 116(77.9–192.4) | 116.5(78–186.9) |
| HDL-C (mg/dl) | 51.4(43.3–62.3) | 50.3(42.1–61.1) | 50.7(42.8–59.9) |
| LDL-C (mg/dl) | 110.2(88.9–136.5) | 110.6(89.3–133.8) | 108.5(88.1–129.5) |
| ApoA1(mg/dl) | 1.12(0.95–1.36)* | 1.07(0.91–1.27) | 1.06(0.92–1.24)# |
| ApoB (mg/dl) | 0.9(0.74–1.12) | 0.89(0.73–1.07) | 0.85(0.71–1.03)*# |
| ApoB/apoA1 | 0.78(0.63–1.04) | 0.82(0.63–1.04) | 0.8(0.63–1) |
| LPA (mg/dl) | 8.1(3.8–15.3) | 6.9(3.4–15.1) | 7.9(3.8–16) |
*P < 0.05 compared with the reference 7 to 8 h; #P < 0.05 compared with the reference 5 to 6 h; BMI: body mass index; WC: waist circumference; FPG: fast plasma glucose; HbA1c: hemoglobin A1c; Hs-CRP: hs-C-reactive protein; HDL-C: high density lipoprotein cholesterol; LDL-C: low density lipoprotein cholesterol; ApoB: apolipoprotein B; ApoA1: apolipoprotein A1; LAP: lipid accumulation product