Bulletin of the World Health Organization

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.

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