Table 3.
Mean number of tooth surfaces of dentate participants decayed or filled, and percentage of root surfaces decayed or filled, at the 8‐year follow‐up assessment (N = 524)
| Characteristic | N | Decayed (95% CI) | Filled (95% CI) | DFS (95% CI) | % of root surfaces with DF |
|---|---|---|---|---|---|
| All participants | 524 | 2.5 (2.0–2.9) | 36.7 (34.4–38.9) | 39.4 (36.9–41.5) | 19.2 |
| Age group, years | |||||
| 75–79 | 81 | 1.3 (0.8–1.9) | 40.8 (34.9–46.7) | 42.2 (36.3–47.9) | 17.7 |
| 80–84 | 241 | 2.2 (1.7–2.9) | 36.0 (32.8–39.2) | 38.2 (35.0–41.4) | 19.2 |
| 85–89 | 148 | 3.4 (2.3–4.8) | 37.0 (32.6–41.01) | 40.5 (36.1–44.6) | 19.6 |
| ≥90 | 54 | 2.5 (1.3–3.7) | 36.7 (34.4–38.9) | 39.1 (36.9–41.5) | 19.2 |
| Country of birth | * | * | * | ||
| Australia | 283 | 2.2 (1.6–3.0) | 40.3 (37.2–43.2) | 42.5 (39.4–45.7) | 16.1 |
| UK | 26 | 3.6 (1.2–7.0) | 34.3 (24.7–44.7) | 37.9 (29.3–48.0) | 20.0 |
| Italy | 99 | 2.8 (1.7–3.9) | 28.3 (23.8–33.4) | 31.1 (26.7–35.9) | 22.3 |
| Greece | 16 | 0.9 (0.3–1.6) | 40.3 (27.8–52.5) | 41.2 (28.9–53.4) | 15.6 |
| Other | 100 | 2.7 (1.8–3.7) | 34.9 (29.9–39.9) | 37.6 (32.7–42.5) | 25.4 |
| Income group | * | * | |||
| Low | 191 | 3.0 (2.3–3.8) | 27.9 (24.9–31.1) | 31.0 (27.8–34.1) | 24.1 |
| Mid | 126 | 2.6 (1.5–4.1) | 40.2 (35.5–44.5) | 42.8 (38.2–47.1) | 17.2 |
| High | 207 | 1.9 (1.3–2.5) | 42.5 (38.8–46.3) | 44.4 (40.8–48.3) | 16.0 |
| Marital status | |||||
| Married/de facto | 382 | 2.4 (1.8–2.9) | 36.6 (33.9–39.3) | 38.9 (36.2–41.6) | 19.1 |
| Widowed | 93 | 2.6 (1.7–3.6) | 37.8 (3 2.5–42.9) | 40.4 (35.1–45.5) | 19.4 |
| Divorced/separated | 17 | 4.9 (1.4–9.7) | 25.9 (16.3–35.1) | 30.8 (21.1–40.5) | 23.1 |
| Never married | 32 | 1.9 (0.8–3.3) | 40.4 (30.9–51.1) | 42.3 (32.4–53.1) | 17.2 |
*ANOVA/Kruskal–Wallis Test, P < 0.05.
95% CI = 95% confidence interval for estimated means.