Table 4 Subgroup analysis of differences in systolic blood pressure(mmHg) before and after intervention in the two groups
Item | Intervention group (n = 261) | Control group (n = 256) | Corrected difference (95%CI) | P values | |||||
|---|---|---|---|---|---|---|---|---|---|
N | Baseline median (IQR) | Month 12 median (IQR) | n | Baseline median (IQR) | Month 12 median (IQR) | ||||
Gender | Male | 157 | 149 (136,160) | 135 (127,144) | 162 | 148 (134,160) | 137 (132,150) | 4.0 (1.3,6.7) | 0.99 |
Female | 104 | 150 (134,160) | 135 (128,147) | 94 | 148 (134,159) | 139 (131,150) | 3.8 (0.4,7.2) | ||
Nationality | Han ethnicity | 225 | 149 (135,160) | 135 (127,145) | 227 | 148 (133,160) | 138 (131,150) | 3.5 (1.3,5.7) | 0.41 |
Minority nationality | 36 | 150 (135,162) | 135 (123,150) | 29 | 150 (134,161) | 139 (135,151) | 6.1 (0.1,12.3) | ||
BMI | <24 | 125 | 148 (133,158) | 135 (127,145) | 122 | 148 (133,160) | 138 (130,151) | 3.9 (0.5,7.3) | 0.97 |
≥24 | 136 | 150 (136,162) | 135 (128,146) | 134 | 148 (136,160) | 137 (132,150) | 3.9 (1.3,6.5) | ||
Education | Junior school and below | 136 | 149 (135,162) | 134 (128,143) | 139 | 148 (134,160) | 138 (132,150) | 4.5 (1.7,7.4) | 0.52 |
Senior school and above | 125 | 149 (134,159) | 135 (127,146) | 117 | 148 (134,159) | 137 (131,151) | 3.1 (0.0,6.3) | ||
Frailty | Yes | 40 | 148 (138,158) | 134 (123,137) | 41 | 148 (137,159) | 135 (126,150) | 4.0 (1.9,9.9) | 0.99 |
No | 221 | 149 (134,160) | 135 (128,147) | 215 | 148 (133,160) | 138 (132,150) | 3.9 (1.7,6.1) | ||
baseline SBP reaching the targets | Yes | 88 | 130 (110,135) | 129 (122,144) | 99 | 131 (109,136) | 135 (128,149) | 4.9 (1.1,8.6) | 0.48 |
No | 173 | 155 (149,164) | 136 (129,146) | 157 | 158 (149,165) | 139 (134,152) | 3.0 (0.6,5.5) | ||
