Table 4. Percentage of number of drugs, regardless of fixed-dose combinations, used to treat high blood pressure (HBP) per age group, number of chronic diseases and Brazilian region. PNAUM, Brazil, 2014*.

Variable		One drug	95CI%	Two drugs	95CI%	Three or more drugs	95CI%	p
Gender	Male	52.4	46.9–55.2	35.5	32.9–38.2	12.0	10.3–14.0	0.034
	Female	48.5	46.6–50.5	37.2	35.4–39.0	14.3	12.9–15.9
Age group	20 to 39	56.7	49.0–64.1	33.1	25.6–41.5	10.2	5.9–17.0	0.061
	40 to 59	51.1	48.2–49.8	36.9	34.1–39.8	12.0	10.3–13.8
	60 or over	47.8	45.9–49.8	36.9	35.1–38.7	15.3	13.7–17.0
Number of chronic diseases	HBP only	54.0	51.3–56.6	36.3	34.0–38.6	9.8	8.0–11.9	0.001
	HBP and another chronic disease	51.8	48.8–54.9	35.4	32.5–38.4	12.8	10.9–14.9
	HBP and two or more other chronic diseases	44.1	41.5–46.9	37.8	35.5–40.3	18.0	15.9–20.2
Brazilian region	North	71.9	68.6–75.0	24.7	22.0–27.6	3.4	2.6–4.6	0.001
	Northeast	48.7	45.7–51.6	38.6	35.6–41.5	12.7	10.8–14.8
	Southeast	48.5	46.0–51.1	36.9	34.6–39.3	14.6	12.6–16.9
	South	51.7	48.0–55.3	35.8	32.9–38.8	12.5	10.7–14.5
	Midwest	47.5	43.7–51.3	37.1	33.9–40.4	15.5	13.1–18.1
Total		49.9	48.3–51.5	36.1	34.1–37.1	13.5	12.3–14.9

* Percentage adjusted by sample weights and post-stratification according to age and gender.