Table 4. Characteristics of the subjects with hypertension and those aware of hypertension and those receiving antihypertensive medication.
| Variables | Awareness (N = 5227)a | Treatment(N = 2840)b | Control (N = 2422)c | |||
| Unaware | Aware | Untreated | Treated | Uncontrolled | Controlled | |
| Region | ||||||
| Rural | 1390 | 1451(51.07)† | 252 | 1199(82.63)† | 700 | 499(41.62)* |
| Urban | 997 | 1389(58.21) | 166 | 1223(88.05) | 768 | 455(37.20) |
| Age(in years) | ||||||
| 18–44 | 509 | 185(26.66)§ | 48 | 137(74.05)§ | 95 | 42(30.66)§ |
| 45–59 | 1029 | 1069(50.95) | 192 | 877(82.04) | 511 | 366(41.73) |
| ≥60 | 849 | 1586(65.13) | 178 | 1408(88.78) | 862 | 546(38.78) |
| Gender | ||||||
| Female | 1156 | 1521(56.82)† | 208 | 1313(86.32) | 816 | 497(37.85) |
| Male | 1231 | 1319(51.73) | 210 | 1109(84.08) | 652 | 457(41.21) |
| Education | ||||||
| College or higher | 71 | 41(36.61)§ | 8 | 33(80.49) | 16 | 17(51.51)§ |
| Middle | 815 | 813(49.94) | 118 | 695(85.49) | 384 | 311(44.75) |
| Primary | 877 | 1128(56.26) | 164 | 964(85.46) | 571 | 393(40.77) |
| Illiterate | 624 | 858(57.89) | 128 | 730(85.08) | 497 | 233(31.92) |
| Income per capita | ||||||
| ≥20000 Yuan | 969 | 1201(55.35) | 159 | 1042(86.76) | 633 | 409(39.25) |
| 10000–19999Yuan | 604 | 725(54.55) | 112 | 613(84.55) | 352 | 261(42.58) |
| <10000 Yuan | 814 | 914(52.89) | 147 | 767(83.92) | 483 | 284(37.03) |
| Type of smoke use | ||||||
| Nonsmoker | 1635 | 2009(55.13) | 270 | 1739(86.56)* | 1085 | 654(37.61)** |
| Smoker | 752 | 831(52.50) | 148 | 683(82.19) | 383 | 300(43.92) |
| Type of alcohol use | ||||||
| Nondrinker | 1514 | 1914(55.83)** | 261 | 1653(86.36)* | 989 | 664(40.17) |
| Drinker | 873 | 926(51.47) | 157 | 769(83.05) | 479 | 290(37.71) |
| Diabetes | ||||||
| No | 2116 | 2217(51.47)† | 350 | 1867(84.21)** | 1132 | 735(39.37) |
| Yes | 271 | 623(69.69) | 68 | 555(89.09) | 336 | 219(39.46) |
| BMI | ||||||
| <23 | 885 | 893(50.22)§ | 129 | 764(85.55) | 424 | 340(44.50)§ |
| 23–24.99 | 551 | 701(55.99) | 109 | 592(84.55) | 362 | 230(38.85) |
| ≥25 | 951 | 1246(56.71) | 180 | 1066(85.55) | 682 | 384(36.02) |
| TG | ||||||
| <2.26 | 1927 | 2284(54.24) | 322 | 1962(85.90) | 1180 | 782(39.86) |
| ≥2.26 | 460 | 556(54.72) | 96 | 460(82.73) | 288 | 172(37.39) |
| TC | ||||||
| <6.22 | 2298 | 2713(54.14) | 401 | 2312(85.22) | 1393 | 919(39.75) |
| ≥6.22 | 89 | 127(58.80) | 17 | 110(86.61) | 75 | 35(31.82) |
| HDL-C | ||||||
| ≥1.04 | 1423 | 1550(52.14)† | 239 | 1311(84.58) | 820 | 491(37.45)* |
| <1.04 | 964 | 1290(57.23) | 179 | 1111(86.12) | 648 | 463(41.67) |
a
Among subjects with hypertension.
b
Among subjects aware of their diagnosis of hypertension.
c
Among subjects receiving antihypertensive medication.
*
P<0.05.
**
P<0.01.
†
P<0.001.
§
P-trend<0.001.
BMI: Body mass index. TG: Triglycerides. TC: Total cholesterol. HDL-C: high density lipoprotein cholesterol.