Cardiovascular risk management and its impact on hypertension control in primary care in low-resource settings: a cluster-randomized trial
Shanthi Mendis, S Claiborne Johnston, Wu Fan, Olulola Oladapo, Ali Cameron & Mohammed F Faramawi
Volume 88, Number 6, June 2010, 412-419
Table 1. Baseline characteristics of cohorts in a clinical trial of the World Health Organization risk management package for cardiovascular disease, China and Nigeria, 2005–2006
| Characteristic | Site Aa |
Site Bb |
|||
|---|---|---|---|---|---|
| Intervention (n = 603) |
Control (n = 606) |
Intervention (n = 588) |
Control (n = 600) |
||
| No. of males (%) | 292 (48.4) | 281 (46.4) | 253 (43.0) | 245 (40.9) | |
| Mean age (SD) | 53.2 (8.7) | 54.8 (8.2)* | 54.6 (10.1) | 55.5 (10.8) | |
| Mean years of education (SD) | 4.6 (3.7) | 5.3 (3.3)* | 4.9 (4.4) | 4.5 (4.5) | |
| Mean BMI in kg/m2 (SD) | 24.7 (3.2) | 24.8 (3.2) | 27.4 (4.3) | 27.4 (4.9) | |
| Mean SBP in mmHg (SD) | 150.5 (9.6) | 149 (9.2)* | 151.6 (11.2) | 154.8 (13.5)* | |
| Mean DBP in mmHg (SD) | 91.6 (6.5) | 91.1 (7.8) | 94 (9.6) | 94.1 (9.8) | |
| No. of smokers (%) | 194 (32.2) | 199 (32.8) | 22 (3.7) | 43 (7.2)* | |
* P < 0.05.
BMI, body mass index; DBP, diastolic blood pressure; mmHg, millimetres of mercury; SD, standard deviation; SBP, systolic blood pressure.
a China.
b Nigeria.