Table 2.

Prevalence of hypertension, and awareness based on the first visit (visit 1), the second visit (visit 2) or both visits to the 10242 study participants

	Hypertension				Awareness among hypertensive subjects
	Visit 1	Visit 2	Both	Δ	Visit 1	Visit 2	Both	Δ
Men (n=5063)
Age decades, n (%)
15–24 years	48 (4.7)	42 (4.2)	15 (1.5)	−68.1	4 (8.3)	4 (9.5)	4 (26.7)	220.0
25–34 years	82 (8.0)	68 (6.7)	41 (4.0)	−50.0	13 (15.9)	13 (19.1)	13 (31.7)	100.0
35–44 years	142 (14.1)	101 (10.0)	73 (7.2)	−48.6	20 (14.1)	20 (19.8)	20 (27.4)	94.5
45–54 years	263 (26.6)	234 (23.7)	188 (19.0)	−28.7	85 (32.3)	85 (36.3)	85 (45.2)	39.9
55–69 years	375 (36.5)	315 (30.6)	272 (26.4)	−27.5	118 (31.5)	118 (37.5)	118 (43.4)	37.9
Prevalence, % (95% Cl)
Crude	18.0 (16.9 to 19.1)	15.0 (14.0 to 16.0)	11.6 (10.8 to 12.5)	−35.3	26.4 (23.7 to 29.4)	31.3 (28.1 to 34.7)	39.9 (36.0 to 43.9)	54.5
Age standardised*	16.2 (15.1 to 17.3)	13.5 (12.5 to 14.4)	10.2 (9.4 to 11.0)	−37.0	–	–	–	–
Women (n=5179)
Age decades, n (%)
15–24 years	56 (5.3)	40 (3.8)	17 (1.6)	−69.7	1 (1.8)	1 (2.5)	1 (5.9)	229.4
25–34 years	97 (9.3)	68 (6.5)	46 (4.4)	−52.6	16 (16.5)	16 (23.5)	16 (34.8)	110.9
35–44 years	163 (16.0)	136 (13.4)	105 (10.3)	−35.6	54 (33.1)	54 (39.7)	54 (51.4)	55.2
45–54 years	371 (35.1)	325 (30.8)	285 (27.0)	−23.2	138 (37.2)	138 (42.5)	138 (48.4)	30.2
55–69 years	356 (35.7)	297 (29.8)	265 (26.6)	−25.6	133 (37.4)	133 (44.8)	133 (50.2)	34.3
Prevalence, % (95% Cl)
Crude	20.1 (19.1 to 21.2)	16.7 (15.7 to 17.8)	13.9 (12.9 to 14.8)	−31.2	33.8 (31.0 to 36.8)	39.8 (36.6 to 43.1)	46.9 (43.3 to 50.6)	45.3
Age standardised*	18.3 (17.2 to 19.4)	15.1 (14.1 to 16.1)	12.3 (11.4 to 13.2)	−32.8	–	–	–	–

Δ=(percentage based on visit 1−percentage based on both visits)/percentage based on visit 1.

To the WHO standard population 2001.