Table 2.
Associations between socio-demographic, behavioural variables and tooth loss (weighted data; n = 1,314)
| Variable | Missing teeth, n (%) | P-value | |||
|---|---|---|---|---|---|
| 0 | 1–12 | 13–31 | 32 | ||
| Age group (years) | |||||
| 20–39 (706) | 204 (28.9) | 489 (69.3) | 13 (1.8) | 0 (0.0) | <0.001 |
| 40–59 (450) | 32 (7.1) | 313 (69.6) | 98 (21.8) | 7 (1.5) | |
| ≥60 (158) | 6 (3.8) | 66 (41.8) | 68 (43.0) | 18 (11.4) | |
| Gender | |||||
| Male (589) | 122 (20.7) | 398 (67.6) | 59 (10.0) | 10 (1.7) | 0.003 |
| Female (725) | 120 (16.6) | 470 (64.8) | 120 (16.6) | 15 (2.1) | |
| Ethnicity | |||||
| Sinhala (1,087) | 204 (18.7) | 702 (64.5) | 158 (14.5) | 23 (2.1) | 0.06 |
| Tamil (165) | 31 (18.8) | 118 (71.5) | 16 (9.7) | 0 (0.0) | |
| Moor (62) | 7 (11.3) | 48 (77.4) | 5 (8.1) | 2 (3.2) | |
| Education (years) | |||||
| Up to 5 (140) | 22 (15.7) | 66 (47.1) | 41 (29.3) | 11 (7.9) | <0.001 |
| 6–10 (1,100) | 199 (18.1) | 755 (68.6) | 132 (12.0) | 14 (1.3) | |
| ≥11 (74) | 22 (29.7) | 47 (63.5) | 5 (6.8) | 0 (0.0) | |
| Brushing frequency | |||||
| ≤once/day (229) | 22 (9.6) | 147 (64.2) | 42 (18.3) | 18 (7.9) | <0.001 |
| >once/day (1,085) | 220 (20.3) | 721 (66.5) | 137 (12.6) | 7 (0.6) | |
| Use of fluoride toothpaste | |||||
| No (164) | 18 (11.0) | 90 (54.9) | 39 (23.8) | 17 (10.3) | <0.001 |
| Yes (1,150) | 224 (19.5) | 778 (67.7) | 140 (12.1) | 8 (0.7) | |
| Smoking status | |||||
| Never (1,000) | 185 (18.5) | 653 (65.3) | 146 (14.6) | 16 (1.6) | 0.006 |
| Current (275) | 55 (20.0) | 190 (69.1) | 23 (8.4) | 7 (2.5) | |
| Former (39) | 2 (5.1) | 25 (64.1) | 10 (25.7) | 2 (5.1) | |
| Use of dental services | |||||
| No (212) | 118 (55.7) | 84 (39.6) | 9 (4.2) | 1 (0.5) | <0.001 |
| Yes (1,102) | 124 (11.3) | 785 (71.2) | 170 (15.4) | 23 (2.1) | |