Table 2.
Characteristics of the female participants across sleep duration
| 5 to 6 | 7 to 8 | 9 to 10 | |
|---|---|---|---|
| N (%) | 396(10.1) | 2704(69) | 818(20.9) |
| Age (years) | 56.9(49.1–66.1)* | 48.3(39.5–58) | 49.3(38.9–59.7)# |
| Education < high school (%) | 82.3* | 76.6 | 87.2* |
| Rural region (%) | 56.1* | 67.3 | 72.9*# |
| Current smoking (%) | 9.8* | 2.9 | 3.9# |
| Drinking (%) | 11.4 | 9.1 | 8.6 |
| Medical history | |||
| Hypertension (%) | 21.5* | 11.4 | 13.2# |
| Diabetes (%) | 5.3* | 1.8 | 2.4# |
| Systolic blood pressure (mmHg) | 128(115–141)* | 120(110–130) | 120(109–131)# |
| Diastolic blood pressure (mmHg) | 74(81–89)* | 79(71-85) | 79(70-83)# |
| BMI (kg/m2) | 23.3(21.2–26) | 23.1(21.1–25.6) | 23.1(20.8–25.4) |
| WC (cm) | 83(76.9–89)* | 80(74–87.3) | 80(74–87.8)# |
| FPG (mg/dl) | 94.4(87.3–102.9)* | 91.4(84.6–99.7) | 90.4(84.1–19.5)# |
| HbA1c (%) | 5.6(5.3–6)* | 5.5(5.2–5.8) | 5.5(5.2–5.8)# |
| Hs-CRP (mg/l) | 1(1–3)* | 1(0–2) | 1(0–3) |
| Uric acid (mg/dl) | 4.5(3.9–5.5)* | 4.2(3.5–5.1) | 4.2(3.5–5.2)# |
| Total cholesterol (mg/dl) | 197.8(170.6–229.2)* | 184.1(160.1–210.8) | 181(157.8–210)# |
| Triglycerides (mg/dl) | 119.1(77.9–185.1)* | 107.2(73.5–158.5) | 109(72.6–162.1)# |
| HDL-C (mg/dl) | 54.9(46.4–64.9) | 55.7(47.2–65) | 55(46.8–63) |
| LDL-C (mg/dl) | 124.1(96.8–150)* | 112.5(90.9–137.3) | 111(88.2–134.9)# |
| ApoA1(mg/dl) | 1.16(0.98–1.36) | 1.12(0.97–1.29) | 1.11(0.97–1.29) |
| ApoB (mg/dl) | 1(0.79–1.2)* | 0.87(0.71–1.06) | 0.85(0.7–1.03)# |
| ApoB/apoA1 | 0.84(0.64–1.04) | 0.76(0.6–0.95) | 0.74(0.6–0.93)# |
| LPA (mg/dl) | 9.2(5–18.6) | 8.4(4.4–17.9) | 8.5(4.3–16.4) |
*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: heamoglobin 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