Table 3. Prevalencea of medicines use to treat acute diseases in Brazil, according to sociodemographic characteristics. PNAUM, Brazil, 2014. (N = 41,433).

Variable	Prevalence of medicines use to treat acute diseases
	All		Male		Female
	Prevalence	95%CI	Prevalence	95%CI	Prevalence	95%CI
Age groupb	< 0.001c		< 0.001		< 0.001
0-4	39.0	36.5–41.6	39.4	36.3–42.5	38.6	35.9–41.4
5-9	21.8	18.5–25.0	21.8	17.9–27.7	20.8	16.5–25.1
10-19	24.6	22.0–27.1	20.9	17.2–24.5	28.1	24.4–31.8
20-29	32.3	29.4–35.3	26.9	22.6–31.3	37.7	34.6–40.7
30-39	35.3	32.5–38.1	27.9	23.6–32.1	41.8	38.9–44.7
40-49	36.2	33.8–38.5	25.6	23.3–27.9	45.6	42.8–48.4
50-59	37.6	35.0–40.1	25.5	22.4–28.6	47.2	44.0–50.3
60-69	41.1	38.5–43.8	33.3	30.1–36.4	47.2	44.0–50.5
70-79	44.2	41.3–47.1	33.4	29.2–37.6	51.6	48.1–55.1
≥ 80	48.3	44.2–52.5	44.5	38.5–50.5	51.0	46.0–55.9
Economic classificationd	0.097		0.314		0.263
A/B	34.0	31.3–36.6	27.7	24.2–31.1	40.0	36.9–43.0
C	33.8	31.9–35.7	27.0	24.9–29.0	39.8	37.6–42.0
D	34.7	31.9–37.5	28.8	25.1–32.5	39.6	36.6–42.6
E	28.1	23.9–32.3	22.3	16.8–27.9	34.3	29.6–39.0
Region	< 0.001		< 0.001		< 0.001
North	31.6	27.6–35.6	27.5	24.0–31.0	35.4	30.2–40.6
Northeast	40.2	37.8–42.7	33.6	30.4–36.7	45.9	43.3–48.5
Southeast	31.7	28.6–34.8	25.0	21.8–28.2	37.7	34.0–41.5
South	29.4	26.8–32.1	23.2	20.2–26.1	35.1	32.4–37.7
Midwest	35.4	32.6–38.2	28.3	24.8–31.7	42.4	39.2–45.7
Total	33.7	32.1–35.4	27.2	25.4–29.0	39.6	37.6–41.5

^a Percentages adjusted by sample weights and post-stratification according to age and gender.

^b In years.

^c Pearson’s Chi-square test.

^d The economic classification variable according to the Brazilian Economic Classification Criterion of the Associação Brasileira de Empresas de Pesquisa (http://www.abep.org) had 77 ‘missing’.