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Table 2 Characteristics of the female participants across sleep duration

From: Association of sleep duration with apolipoproteins and the apolipoprotein B/A1 ratio: the China health and nutrition survey

  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)
  1. *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