Table 3.
Logistic regression of blood pressure control among community participants with hypertension
| Model 1 | Model 2 | Model 3 | |||||||
| OR | CI | P value | OR | CI | P value | OR | CI | P value | |
| Age (year) | 1.00 | 0.98 to 1.02 | 0.965 | 0.99 | 0.98 to 1.01 | 0.545 | 1.00 | 0.98 to 1.02 | 0.600 |
| Sex (vs male) | 0.76 | 0.55 to 1.03 | 0.080 | 0.85 | 0.56 to 1.29 | 0.445 | 0.80 | 0.52 to 1.24 | 0.314 |
| Marital status (vs married) | 1.27 | 0.80 to 2.02 | 0.319 | 1.25 | 0.78 to 2.01 | 0.349 | 1.20 | 0.74 to 1.94 | 0.470 |
| Education | 0.327 | 0.463 | 0.652 | ||||||
| HS (vs college) | 1.32 | 0.87 to 1.99 | 0.191 | 1.28 | 0.84 to 1.95 | 0.247 | 1.22 | 0.79 to 1.87 | 0.378 |
| PS (vs college) | 1.50 | 0.80 to 2.80 | 0.204 | 1.37 | 0.72 to 2.58 | 0.339 | 1.25 | 0.65 to 2.40 | 0.496 |
| Employment | 0.163 | 0.148 | 0.218 | ||||||
| Unemployed (vs employed) | 0.84 | 0.44 to 1.64 | 0.617 | 0.87 | 0.44 to 1.70 | 0.673 | 0.84 | 0.42 to 1.66 | 0.611 |
| Retired (vs employed) | 0.65 | 0.41 to 1.02 | 0.062 | 0.64 | 0.40 to 1.02 | 0.059 | 0.66 | 0.41 to 1.06 | 0.086 |
| Income (vs >¥1500) | 2.54 | 0.78 to 8.33 | 0.123 | 2.68 | 0.80 to 8.93 | 0.109 | 2.41 | 0.71 to 8.12 | 0.157 |
| Health insurance | 0.075 | 0.082 | 0.182 | ||||||
| URMI (vs UEMI) | 1.13 | 0.69 to 1.84 | 0.624 | 1.10 | 0.67 to 1.79 | 0.717 | 0.97 | 0.58 to 1.63 | 0.920 |
| NCMS (vs UEMI) | 2.70 | 1.28 to 5.67 | 0.009 | 2.69 | 1.27 to 5.69 | 0.010 | 2.26 | 1.06 to 4.81 | 0.034 |
| Uninsured (vs UEMI) | 1.35 | 0.55 to 3.33 | 0.516 | 1.27 | 0.51 to 3.16 | 0.607 | 1.14 | 0.45 to 2.86 | 0.787 |
| Education × income | 0.460 | 0.426 | 0.410 | ||||||
| HS × income (<¥ 1500) | 0.53 | 0.15 to 1.84 | 0.319 | 0.52 | 0.15 to 1.84 | 0.312 | 0.54 | 0.15 to 1.92 | 0.338 |
| PS × income (<¥ 1500) | 0.78 | 0.19 to 3.12 | 0.722 | 0.79 | 0.19 to 3.24 | 0.745 | 0.86 | 0.21 to 3.56 | 0.830 |
| BMI (kg/m2) | 1.01 | 0.95 to 1.06 | 0.868 | 1.00 | 0.95 to 1.06 | 0.972 | |||
| WC (vs normal) | 1.14 | 0.76 to 1.69 | 0.535 | 1.12 | 0.75 to 1.69 | 0.585 | |||
| Smoking (vs non-smoker) | 1.38 | 0.87 to 2.21 | 0.173 | 1.52 | 0.93 to 2.51 | 0.099 | |||
| Drinking (vs no-drinking) | 1.02 | 0.65 to 1.62 | 0.926 | 0.95 | 0.58 to 1.56 | 0.833 | |||
| Family history (vs no) | 0.84 | 0.62 to 1.15 | 0.283 | 0.89 | 0.65 to 1.23 | 0.484 | |||
| Disease duration (years) | 1.03 | 1.01 to 1.04 | 0.006 | 1.03 | 1.01 to 1.04 | 0.008 | |||
| Comorbidities (vs no) | 1.13 | 0.83 to 1.54 | 0.443 | 1.14 | 0.83 to 1.56 | 0.430 | |||
| Treatment management | 0.98 | 0.97 to 0.99 | 0.000 | ||||||
| Diet management | 1.00 | 0.99 to 1.01 | 0.639 | ||||||
| Physical exercise management | 1.00 | 0.99 to 1.00 | 0.711 | ||||||
| Lifestyle management | 1.00 | 0.99 to 1.01 | 0.449 | ||||||
| Risk factor management | 1.00 | 0.99 to 1.01 | 0.381 | ||||||
| No. of visiting CHC (per year) | 1.00 | 0.98 to 1.03 | 0.743 | ||||||
| No. of visiting hospital (per year) | 0.99 | 0.92 to 1.07 | 0.800 | ||||||
| χ2 | 57.249 | df=13 | 70.298 | df=20 | 95.032 | df=27 | |||
| Δχ2 | 13.048 | df=7 | 24.734 | df=7 | |||||
| −2 log-likelihood | 1048.476 | 1035.428 | 1010.694 | ||||||
BMI, body mass index; CHC, community health centres; HS, high school; NCMS, new rural cooperative medical scheme; PS, primary school; UEMI, Urban Employees’ Medical Insurance; URMI, Urban Residents’ Medical Insurance; WC, waist circumference.