Table 2. Prevalence Of Hypertension And Association With Socio-Demographic Factors.

	Any hypertension SBP ≥ 140, DBP ≥ 90 mmHg			Grade 2 and 3 hypertension SBP ≥ 160, DBP ≥ 100 mmHg			Grade 3 hypertension SBP ≥ 180, DBP ≥ 110 mmHg
Parameters	OR	95% CI	p-value	OR	95% CI	p-value	OR	95% CI	p-value
All ages (13 504)	44.7	43.5–46.3	22.0	20.9–23.2	9.9	9.2–10.6
Age group (years)
40–49 (4 858)	32.1	30.2–33.9	12.8	11.6–14.1	5.4	4.6–6.2
50–59 (3 554)	47.1	44.9–49.2	23.4	21.5–25.2	10.3	9.1-11.4
60–69 (2 758)	54.2	52.1–56.3	28.4	26.6–30.3	12.8	11.5–14.1
70–79 (1 643)	57.1	54.2–59.9	31.2	28.7–33.6	14.9	13.0–16.8
≥ 80 (691)	58.2	54.4–61.9	32.9	29.4–36.3	15.9	13.1–18.7
	p < 0.0001		p < 0.0001		p < 0.0001
Gender
Male (6 203)	42.6	40.9–44.4	19.2	17.8–20.5	8.5	7.7–9.3
Female (7 301)	46.8	45.3–48.4	24.5	23.1–25.9	11.1	10.1–12.0
	p < 0.0001		p < 0.0001		p < 0.0001
Residence
Rural	43.0	41.3–44.6	20.5	19.2–21.8	9.1	8.3–9.8
Urban	51.6	48.4–54.9	27.3	24.5–30.2	12.8	10.9–14.8
	p < 0.0001		p < 0.0001		p < 0.0001
Geopolitical zone
North-east (1 707)	60.5	55.1–65.8	33.5	28.7–38.2	16.5	13.1–20.0
South-east (1 657)	41.0	38.0–44.0	20.7	18.4–23.0	9.9	8.3–11.5
South-south (1 845)	34.2	31.2–37.2	17.0	14.6–19.4	7.0	5.4–8.7
North-west (3 577)	51.5	48.7–54.2	24.2	21.6–26.8	10.1	8.5–11.6
South-west (2 708)	40.1	37.1–43.2	19.7	17.4–22.0	9.2	7.9–10.5
North-central (2 010)	39.5	35.7–43.3	17.4	14.8–19.9	7.6	6.2–8.9
	p < 0.0001		p < 0.0001		p < 0.0001
Socio-economic status
Affluent (4 383)	39.2	37.4–41.0	18.0	16.7–19.3	7.7	6.8–8.6
Moderately affluent (4 676)	43.5	41.4–45.5	20.0	18.5–21.6	8.8	7.8–9.8
Least affluent (4 445)	52.1	49.9–54.2	28.1	26.1–30.1	13.3	11.8–14.7
	p < 0.0001		p < 0.0001		p < 0.0001
Body mass index (13 352)
Underweight (1 495)	39.6	36.6–42.6	18.7	16.5–21.0	8.5	6.9–10.1
Normal (8 156)	41.7	40.1–43.2	19.5	18.3–20.7	8.5	7.7–9.3
Overweight (2 588)	50.9	48.7–53.2	26.0	24.0–28.0	11.9	10.5–13.3
Obese (1 113)	59.8	56.3–63.2	34.2	31.1–37.4	16.2	13.9–18.4
	p < 0.0001		p < 0.0001		p < 0.0001