Table 1.
Characteristics of the subjects.
| Total | Unexposed | Exposed | p-Value | |
|---|---|---|---|---|
| Total | 8054 | 3848 | 4206 | |
| Gender | 0.393 | |||
| Male | 3422(42.5%) | 1616(42.0%) | 1806(42.9%) | |
| Female | 4632(57.5%) | 2232(58.0%) | 2400(57.1%) | |
| Age | 49.6(48.5,50.9) | 48.4(47.8,49.1) | 50.9(50.2,51.6) | <0.001 |
| Education level | <0.001 | |||
| Illiteracy to primary school | 2408(29.9%) | 1108(28.8%) | 1300(30.9%) | |
| Junior middle school | 3123(38.8%) | 1668(43.3%) | 1455(34.6%) | |
| Senior high school and higher | 2523(31.3%) | 1072(27.9%) | 1451(34.5%) | |
| Economic status | 0.026 | |||
| Low | 3806(47.3%) | 1800(46.8%) | 2006(47.7%) | |
| Middle | 2957(36.7%) | 1448(37.6%) | 1509(35.9%) | |
| High | 815(10.1%) | 357(9.3%) | 458(10.9%) | |
| Unknown | 476(5.9%) | |||
| Smoking | 0.155 | |||
| No | 5515(68.5%) | 2675(69.5%) | 2840(67.5%) | |
| Yes | 2521(31.3%) | 1165(30.3%) | 1356(32.2%) | |
| Unknown | 18(0.2%) | |||
| Drinking | 0.120 | |||
| No | 5086(63.1%) | 2462(64.0%) | 2624(62.4%) | |
| Yes | 2951(36.6%) | 1381(35.9%) | 1570(37.3%) | |
| Unknown | 17(0.2%) | |||
| Physical exercise | 0.154 | |||
| No | 1804(91.0%) | 909(91.7%) | 895(90.3%) | |
| Yes | 164(8.3%) | 74(7.5%) | 90(9.1%) | |
| Sedentary time | 2.0(2.0,3.0) | 2.0(2.0,3.0) | 2.0(2.0,3.0) | 0.234 |
| Cereal and beans intake level | 0.012 | |||
| Insufficient | 4853(60.3%) | 2369(61.6%) | 2484(59.1%) | |
| Sufficient | 583(7.2%) | 264(6.9%) | 319(7.6%) | |
| Excessive | 160(2.0%) | 60(1.6%) | 100(2.4%) | |
| Unknown | 2458(30.5%) | |||
| Livestock and poultry intake level | 0.326 | |||
| Insufficient | 1942(24.1%) | 914(23.8%) | 1028(24.4%) | |
| Sufficient | 1257(15.6%) | 596(15.5%) | 661(15.7%) | |
| Excessive | 2397(29.8%) | 1183(30.7%) | 1214(28.9%) | |
| Unknown | 2458(30.5%) | |||
| WC (cm) | 82.2(75.8,89.1) | 82.0(75.4,89.0) | 82.5(76.0,89.3) | 0.012 |
| BMI (kg/m2) | 24.1(22.0,26.5) | 24.1(22.0,26.5) | 24.2(22.0,26.5) | 0.477 |
| Obesity | 0.956 | |||
| Underweight | 202(2.5%) | 100(2.6%) | 102(2.4%) | |
| Normal | 3534(43.9%) | 1692(44.0%) | 1842(43.8%) | |
| Overweight | 2948(36.6%) | 1405(36.5%) | 1543(36.7%) | |
| Obesity | 1064(13.2%) | 501(13.0%) | 563(13.4%) | |
| Unknown | 306(3.8%) | |||
| Central obesity | 0.597 | |||
| No | 5229(64.9%) | 2517(65.4%) | 2712(64.5%) | |
| Yes | 2522(31.3%) | 1184(30.8%) | 1338(31.8%) | |
| Unknown | 303(3.8%) | |||
Data are presented as median (P25, P75) for continuous variables and N(%) for categorical variables. p-Values in t-test for difference in means or χ2 test for difference in proportions between exposed and unexposed group. Bold numbers mean significant results.