Table 1.
Sociodemographic characteristics of participants before and after intervention
| Sociodemographic characteristics | Baseline (%) | Endpoint (%) | Comparison between baseline and endpoint: χ2 | |||||
|---|---|---|---|---|---|---|---|---|
| Control | Intervention | χ2 | Control | Intervention | χ2 | Control | Intervention | |
| Number (%) | 297(49.8) | 299(50.2) | 256(49.4) | 262(50.6) | ||||
| Gender | 7.675* | 8.061* | 0.058 | 0.261 | ||||
| Male | 112(37.7) | 81(27.1) | 94(36.7) | 66(25.2) | ||||
| Female | 185(62.3) | 218(72.9) | 162(63.3) | 196(74.8) | ||||
| Age (years) | 10.619* | 11.947* | 0.053 | 0.059 | ||||
| ≤49 | 64(21.5) | 35(11.7) | 57(22.3) | 29(11.1) | ||||
| 50-59 | 144(48.5) | 158(52.8) | 124(48.4) | 140(53.4) | ||||
| 60+ | 89(30.0) | 106(35.5) | 75(29.3) | 93(35.5) | ||||
| Education | 17.042* | 14.791* | 0.466 | 0.114 | ||||
| Primary school and below | 33(11.1) | 52(17.4) | 31(12.1) | 44(16.8) | ||||
| Middle school | 157(52.9) | 183(61.2) | 128(50.0) | 159(60.7) | ||||
| High school and above | 107(36.0) | 64(21.4) | 97(37.9) | 59(22.5) | ||||
| Marital status | 0.198 | 0.497 | 0.167 | 0.012 | ||||
| Married | 280(94.2) | 285(96.0) | 239(93.4) | 251(95.8) | ||||
| Unmarried | 14(4.8) | 12(4.0) | 14(5.4) | 11(4.2) | ||||
| Missing | 3(1.0) | 3(1.2) | ||||||
| Family income | 6.963 | 4.514 | 0.359 | 0.227 | ||||
| <900 | 90(30.3) | 87(29.1) | 72(28.1) | 79(30.2) | ||||
| 900-1409 | 50(16.8) | 61(20.4) | 46(18.0) | 54(20.6) | ||||
| 1410-2499 | 72(24.2) | 79(26.4) | 63(24.6) | 65(24.8) | ||||
| 2500-3499 | 30(10.1) | 46(15.4) | 27(10.6) | 40(15.3) | ||||
| 3500+ | 38(12.8) | 25(8.4) | 33(12.9) | 23(8.8) | ||||
| Missing | 17(5.7) | 1(0.3) | 15(5.9) | 1(0.4) | ||||
| Ethnicity | 0.175 | 0.033 | 0.009 | 0.014 | ||||
| Han | 287(96.6) | 287(96.0) | 247(96.5) | 252(96.2) | ||||
| Other | 10(3.4) | 12(4.0) | 9(3.5) | 10(3.8) | ||||
| Antihypertensive medication history | 2.467 | 1.887 | 0.030 | 0.065 | ||||
| <5 | 110(37.0) | 95(31.8) | 96(37.5) | 85(32.5) | ||||
| 5-9 | 77(25.9) | 77(25.8) | 68(26.6) | 69(26.3) | ||||
| 10+ | 108(36.4) | 126(42.1) | 92(35.9) | 108(41.2) | ||||
| missing | 2(0.7) | 1(0.3) | 0 | 0 | ||||
| Other chronic medication-taking history | 1.414 | 1.252 | 0.052 | 0.057 | ||||
| No | 143(48.1) | 130(43.5) | 121(47.3) | 112(42.8) | ||||
| Yes | 150(50.5) | 166(55.5) | 132(51.5) | 149(56.9) | ||||
| Missing | 4(1.4) | 3(1.0) | 3(1.2) | 1(0.3) | ||||
Note: *P<0.05.