Table 4.

Linear regression of systolic and diastolic BP on wealth status among participants with information on BMI (n = 9044).

Wealth status	Systolic BP (mmHg)		Diastolic BP (mmHg)
	Unadjusted β (95% CI)	Adjusted β (95% CI)	Unadjusted β (95% CI)	Adjusted β (95% CI)
Poorest	Reference	Reference	Reference	Reference
Poorer	2.11 (0.99, 3.23)	0.37 (−0.93, 1.67)	2.06 (1.15, 2.96)	0.84 (−0.21, 1.88)
Middle	3.05 (1.77, 4.32)	1.16 (−0.36, 2.68)	2.83 (1.88, 3.78)	1.21 (0.05, 2.38)
Richer	4.71 (3.24, 6.18)	1.19 (−0.65, 3.03)	4.56 (3.53, 5.60)	1.67 (0.30, 3.03)
Richest	6.05 (4.63, 7.47)	1.23 (−1.10, 3.56)	6.07 (4.88, 7.26)	2.16 (0.37, 3.95)

Covariates adjusted in the analysis were gender, age, area of residence, religion, ethnic group, marital status and BMI.