Rural to urban migration and changes in cardiovascular risk factors in Tanzania: a prospective cohort study

BMC Public Health

Table 5 Changes in blood pressure according to baseline values below and above 140/90.

	N	Fall in blood pressure (95% CIs) (mmHg)	P value	12 month value as % of baseline
Men
Systolic < 140 and diastolic < 90
Diastolic BP	54	-5.6(-8.4, -2.8)	<0.001	93
Systolic BP	54	-0.1 (-3.5, 3.2)	0.90	100
Systolic ≥ 140 or diastolic ≥ 90
Diastolic BP	14	-16.8 (-22.9, -10.3)	<0.001	81
Systolic BP	14	-25.9 (-32.5, -19.3)	<0.001	83
Women
Systolic < 140 and diastolic < 90
Diastolic BP	51	-6.7 (-10.5, -2.9)	0.001	91
Systolic BP	51	-4.1 (-9.1, 0.94)	0.11	96
Systolic ≥ 140 or diastolic ≥ 90
Diastolic BP	13	-14.0 (-23.3, -4.7)	0.006	86
Systolic BP	13	-26.0 (-39.0, -13.1)	0.001	84

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