Table 1 Basic characteristics of the study subjects
| Â | 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(%) | Â | Â | Â | Â | Â | ||
|  | 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) |
| Â | >12Â years | 402(13.1) | 59(14.8) | 27(12.2) | 471(10.3) | 95(8.3) | 52(7.9) |
Physical Activity, n(%) | Â | Â | Â | Â | Â | ||
| Â | No | 1467(47.9) | 206(51.5) | 104(46.8) | 2048(44.9) | 495(43.3) | 274(41.8) |
| Â | Yes | 1598(52.1) | 194(48.5) | 118(53.2) | 2516(55.1) | 649(56.7) | 381(58.2) |
Current Smoking, n(%) | Â | Â | Â | Â | Â | ||
| Â | No | 829(27.0) | 109(27.3) | 49(22.1) | 4186(91.7) | 1028(89.9) | 565(86.3) |
| Â | Yes | 2236(73.0) | 291(72.7) | 173(77.9) | 381(8.3) | 116(10.1) | 90(13.7) |
Current Drinking, n(%) | Â | Â | Â | Â | Â | ||
| Â | No | 1504(49.1) | 207(51.8) | 113(50.9) | 4351(95.3) | 1088(95.0) | 622(95.0) |
| Â | Yes | 1561(50.9) | 193(48.2) | 109(49.1) | 215(4.7) | 57(5.0) | 33(5.0) |
Obesity, n(%) | Â | Â | Â | Â | Â | ||
| Â | No | 1672(54.6) | 221(55.3) | 135(60.8) | 2365(51.8) | 585(51.1) | 333(50.8) |
| Â | Yes | 1393(45.4) | 179(44.7) | 87(39.2) | 2202(48.2) | 560(48.9) | 322(49.2) |
Work stress, n(%) | Â | Â | Â | Â | Â | Â | |
| Â | Low | 391(12.8) | 47(11.8) | 31(14.0) | 591(12.9) | 119(10.4) | 61(9.3) |
| Â | Intermediate | 1695(55.3) | 190(47.5) | 84(37.8) | 2547(55.8) | 574(50.2) | 291(44.6) |
| Â | High | 978(31.9) | 163(40.8) | 107(48.2) | 1428(31.3) | 451(39.4) | 301(46.1) |
Diabetes, n(%) | Â | Â | Â | Â | Â | ||
| Â | No | 2719(88.7) | 351(87.7) | 199(89.6) | 4077(89.3) | 1004(87.7) | 567(86.6) |
| Â | Yes | 346(11.3) | 49(12.3) | 23(10.4) | 490(10.7) | 141(12.3) | 88(13.4) |
Hypertension, n(%) | Â | Â | Â | Â | Â | ||
| Â | No | 1824(59.5) | 240(60.0) | 130(58.6) | 2957(64.7) | 641(56.0) | 326(49.8) |
| Â | Yes | 1240(40.5) | 160(40.0) | 92(41.4) | 1610(35.3) | 504(44.0) | 329(50.2) |