Table 1. Description of the sample and distribution of edentulism according to independent variables. Brazilian Longitudinal Study of Aging (ELSI-Brazil), 2015–2016. (n = 8,399).
| Characteristics | Total | Edentulism |
|---|---|---|
|
|
|
|
| % (95%CI) | % (95%CI) | |
| Age (years) | ||
| 50–59 | 48.3 (44.1–52.6) | 15.5 (13.6–17.6)* |
| 60–69 | 29.7 (27.8–31.7) | 32.9 (29.9–36.0) |
| ≥ 70 | 22.0 (19.4–24.9) | 53.2 (49.9–56.5) |
| Sex | ||
| Male | 46.2 (43.1–49.3) | 21.6 (19.1–24.4)* |
| Female | 53.8 (50.7–56.9) | 35.2 (32.5–38.0) |
| Own education (years) | ||
| 0–3 | 32.0 (28.5–35.6) | 45.3 (41.8–48.8)* |
| 4–7 | 31.1 (28.6–33.8) | 31.6 (28.8–34.4) |
| 8–11 | 28.1 (25.5–30.9) | 14.3 (12.4–16.5) |
| ≥ 12 | 8.7 (7.6–10.1) | 6.9 (5.1–9.3) |
| Parental education | ||
| No formal education | 49.4 (46.0–52.8) | 36.3 (33.3–39.3)* |
| Incomplete primary school | 22.4 (20.4–24.6) | 26.7 (23.6–30.2) |
| Complete primary school | 19.4 (17.3–21.7) | 21.7 (18.8–25.0) |
| Complete secondary school or more | 8.8 (7.7–10.1) | 9.2 (6.7–12.5) |
| Wealth | ||
| 1st quintile (poorest) | 19.4 (15.3–24.2) | 41.4 (37.0–45.9)* |
| 2nd quintile | 20.0 (18.0–22.1) | 38.2 (34.4–42.1) |
| 3rd quintile | 19.8 (18.0–21.7) | 30.6 (27.3–34.1) |
| 4th quintile | 20.4 (18.0–23.0) | 21.6 (18.8–24.8) |
| 5th quintile (richest) | 20.5 (17.7–23.6) | 13.9 (11.5–16.7) |
* p < 0.001