Table 2. Prevalence of low adherencea,b to treatment for chronic diseases by adults aged 20 or over in Brazil, by demographic and socioeconomic characteristics. PNAUM, Brazil, 2014. (N = 11,842).
| Variable | Breakdown in sample | Prevalence of low adherencec | ||
|---|---|---|---|---|
|
|
|
|||
| %a | 95%IC | %a | 95%IC | |
| Demographic characteristics | ||||
| Gender | ||||
| Male | 35.3 | 33.9–36.7 | 28.3 | 25.4–31.5 |
| Female | 64.7 | 63.3–66.1 | 32.1 | 29.9–34.4 |
| Age (years) | ||||
| 20-39 | 15.0 | 13.6–16.6 | 38.6 | 33.1–44.5 |
| 40-59 | 42.8 | 41.1–44.4 | 30.3 | 27.8–33.0 |
| ≥ 60 | 42.2 | 40.4–44.0 | 28.7 | 26.5–31.0 |
| Skin color | ||||
| White | 50.6 | 47.8–53.4 | 30.0 | 27.3–32.8 |
| Non-white | 49.4 | 46.6–52.2 | 31.4 | 28.9–34.0 |
| Marital status | ||||
| With partner | 61.4 | 59.8–62.9 | 30.5 | 28.3–32.8 |
| Without partner | 38.6 | 37.1–40.2 | 31.6 | 28.9–34.5 |
| Socioeconomic characteristics | ||||
| Level of education (years of study) | ||||
| No education | 15.0 | 13.7–16.4 | 35.5 | 31.5–39.8 |
| 1 to 8 years | 43.1 | 41.2–45.0 | 28.5 | 25.8–31.3 |
| ≥ 8 years | 41.8 | 40.0–43.7 | 31.7 | 29.3–34.2 |
| Economic status ABEPd | ||||
| A/B | 24.6 | 22.3–27.0 | 30.6 | 26.9–34.6 |
| C | 54.8 | 52.9–56.7 | 30.3 | 28.0–32.7 |
| D/E | 20.7 | 18.9–22.5 | 32.6 | 29.2–36.2 |
| Brazilian region | ||||
| North | 4.2 | 3.2–5.3 | 22.7 | 18.8–27.1 |
| Northeast | 20.6 | 16.8–25.0 | 38.1 | 35.1–41.2 |
| Southeast | 51.9 | 46.0–57.8 | 29.2 | 25.7–33.0 |
| South | 15.7 | 12.7–19.3 | 26.8 | 24.5–29.2 |
| Midwest | 7.7 | 6.0–9.8 | 35.5 | 31.6–39.6 |
| Health plan | ||||
| Yes | 28.4 | 26.0–31.0 | 29.0 | 26.1–32.1 |
| No | 71.6 | 69.0–74.0 | 31.6 | 29.3–34.0 |
|
| ||||
| Total | 30.8 | 28.8–33.0 | ||
a According to Brief Medication Questionnaire (BMQ).
b Percentage adjusted by sample weighting and post-stratification by age and gender.
c Non-adherence = low adherence according to BMQ (2 or more positive answers).
d According to Critério de Classificação Econômica Brasil 2013 – ABEP (www.abep.org).