From: Risk factors for prehypertension and their interactive effect: a cross- sectional survey in China
Variables | Normotension (N = 741) | Prehypertension (N = 603) | Hypertension(N = 433) | P a |
---|---|---|---|---|
Gender (%) |  |  |  | < 0.01b |
 Male | 255(34.41) | 280(46.43) | 213(49.19) |  |
 Female | 486(65.59) | 323(53.57) | 220(50.81) |  |
Age (years) | 59.67 ± 11.34 | 61.15 ± 11.41 | 62.31 ± 10.64 | < 0.01c |
Educational level (%) | Â | Â | Â | 0.03c |
 Elementary level or lower | 233(31.44) | 189(31.34) | 168(38.80) |  |
 Middle school graduate | 276(37.25) | 221(36.65) | 146(33.72) |  |
 High school graduate or higher | 232(31.31) | 193(32.01) | 119(27.48) |  |
Marital status (%) | Â | Â | Â | 0.73b |
 Currently married | 621(83.81) | 506(83.91) | 370(85.45) |  |
 Currently not married | 120(16.19) | 97(16.09) | 63(14.55) |  |
Income (yuan) (%) | Â | Â | Â | 0.26c |
 0–2000 | 419(56.55) | 315(52.24) | 230(53.12) |  |
 2000–4000 | 288(38.87) | 256(42.45) | 185(42.73) |  |
  > 4000 | 34(4.58) | 32(5.31) | 18(4.15) |  |
Smoking (%) |  |  |  | < 0.01b |
 No | 573(77.33) | 394(65.34) | 284(65.59) |  |
 Yes | 168(22.67) | 209(34.66) | 149(34.41) |  |
Family history of cardiovascular diseases (%) |  |  |  | < 0.01b |
 No | 608(82.1) | 458(75.95) | 322(74.36) |  |
 Yes | 133(17.9) | 145(24.05) | 111(25.64) |  |
General obesity (%) |  |  |  | < 0.01b |
 No | 660(89.05) | 505(83.75) | 324(74.83) |  |
 Yes | 81(10.95) | 98(16.25) | 109(25.17) |  |
Abdominal obesity (%) |  |  |  | < 0.01b |
 No | 502(67.75) | 304(50.41) | 151(34.87) |  |
 Yes | 238(32.25) | 299(49.59) | 282(65.13) |  |
LAP (%) |  |  |  | < 0.01c |
 Q1 | 226(30.50) | 113(18.74) | 42(9.70) |  |
 Q2 | 215(29.01) | 118(19.57) | 92(21.25) |  |
 Q3 | 182(24.56) | 154(25.54) | 119(27.48) |  |
 Q4 | 118(15.93) | 218(36.15) | 180(41.57) |  |