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Table 1 Basic characteristics of the study subjects

From: Prevalence of dyslipidemia and its association with insomnia in a community based population in China

  Men Women
  No insomnia(n = 3065) Occasional insomnia(n = 400) Frequent insomnia(n = 222) No insomnia(n = 4567) Occasional insomnia(n = 1145) Frequent insomnia(n = 655)
Age(years) 52.4 ± 13.6 52.7 ± 12.9 56.4 ± 13.7 51.4 ± 13.2 54.4 ± 12.4 56.5 ± 11.8
BMI(kg/m2) 25.1 ± 3.7 24.9 ± 3.7 24.5 ± 3.5 25.6 ± 4.1 25.4 ± 4.1 25.2 ± 3.9
TC(mmol/L) 4.71 ± 0.91 4.70 ± 0.92 4.73 ± 1.08 4.89 ± 0.98 4.98 ± 1.02 5.08 ± 1.00
TG(mmol/L) 1.64 ± 1.77 1.62 ± 1.65 1.47 ± 1.23 1.45 ± 1.24 1.48 ± 1.28 1.49 ± 1.11
LDL-C(mmol/L) 2.44 ± 0.67 2.43 ± 0.64 2.44 ± 0.70 2.54 ± 0.70 2.57 ± 0.71 2.62 ± 0.67
HDL-C(mmol/L) 1.27 ± 0.40 1.24 ± 0.28 1.26 ± 0.32 1.36 ± 0.29 1.37 ± 0.30 1.38 ± 0.32
Education, n(%)      
  0 ~ 6 years 663(21.6) 85(21.3) 62(27.9) 1398(30.6) 425(37.1) 291(44.4)
  7 ~ 12 years 2000(65.3) 256(64.0) 133(59.9) 2698(59.1) 625(54.6) 312(47.6)
  >12 years 402(13.1) 59(14.8) 27(12.2) 471(10.3) 95(8.3) 52(7.9)
Physical Activity, n(%)      
  No 1467(47.9) 206(51.5) 104(46.8) 2048(44.9) 495(43.3) 274(41.8)
  Yes 1598(52.1) 194(48.5) 118(53.2) 2516(55.1) 649(56.7) 381(58.2)
Current Smoking, n(%)      
  No 829(27.0) 109(27.3) 49(22.1) 4186(91.7) 1028(89.9) 565(86.3)
  Yes 2236(73.0) 291(72.7) 173(77.9) 381(8.3) 116(10.1) 90(13.7)
Current Drinking, n(%)      
  No 1504(49.1) 207(51.8) 113(50.9) 4351(95.3) 1088(95.0) 622(95.0)
  Yes 1561(50.9) 193(48.2) 109(49.1) 215(4.7) 57(5.0) 33(5.0)
Obesity, n(%)      
  No 1672(54.6) 221(55.3) 135(60.8) 2365(51.8) 585(51.1) 333(50.8)
  Yes 1393(45.4) 179(44.7) 87(39.2) 2202(48.2) 560(48.9) 322(49.2)
Work stress, n(%)       
  Low 391(12.8) 47(11.8) 31(14.0) 591(12.9) 119(10.4) 61(9.3)
  Intermediate 1695(55.3) 190(47.5) 84(37.8) 2547(55.8) 574(50.2) 291(44.6)
  High 978(31.9) 163(40.8) 107(48.2) 1428(31.3) 451(39.4) 301(46.1)
Diabetes, n(%)      
  No 2719(88.7) 351(87.7) 199(89.6) 4077(89.3) 1004(87.7) 567(86.6)
  Yes 346(11.3) 49(12.3) 23(10.4) 490(10.7) 141(12.3) 88(13.4)
Hypertension, n(%)      
  No 1824(59.5) 240(60.0) 130(58.6) 2957(64.7) 641(56.0) 326(49.8)
  Yes 1240(40.5) 160(40.0) 92(41.4) 1610(35.3) 504(44.0) 329(50.2)