Background information of the subjects, according to dentition status
| Variables | Dentate* | Edentulous* | Total | |
| NRT: ≥20 | NRT: 1–19 | NRT: 0 | ||
| (n=293) | (n=165) | (n=73) | (n=549) | |
| Age (years)† | 53.8±13.3 | 63.1±12.4 | 69.5±8.1 | 58.8±13.9 |
| <65 | 228 (77.8) | 81 (49.1) | 13 (17.8) | 331 (60.3) |
| ≥65 | 65 (22.2) | 84 (50.9) | 60 (82.2) | 218 (39.7) |
| Gender | ||||
| Female | 123 (42.0) | 83 (50.3) | 38 (52.1) | 251 (45.7) |
| Male | 170 (58.0) | 82 (49.7) | 35 (47.9) | 298 (54.3) |
| Educational attainment† | ||||
| >9 years | 132 (45.1) | 37 (22.4) | 6 (8.2) | 179 (32.6) |
| ≤9 years | 161 (54.9) | 128 (77.6) | 67 (91.8) | 370 (67.4) |
| Hypertension† | ||||
| No | 154 (52.6) | 54 (32.7) | 23 (31.5) | 239 (43.5) |
| Yes | 139 (47.4) | 111 (67.3) | 50 (68.5) | 310 (56.5) |
| Diabetes mellitus† | ||||
| No | 235 (80.2) | 121 (73.3) | 47 (64.4) | 418 (76.1) |
| Yes | 58 (19.8) | 44 (26.7) | 26 (35.6) | 131 (23.9) |
| Hyperlipidaemia | ||||
| No | 138 (47.1) | 88 (53.3) | 37 (50.7) | 275 (50.1) |
| Yes | 155 (52.9) | 77 (46.7) | 36 (49.3) | 274 (49.9) |
| Disability classification | ||||
| Physical disability | 166 (56.7) | 93 (56.4) | 38 (52.1) | 307 (55.9) |
| Intellectual disability | 64 (21.8) | 32 (19.4) | 8 (11.0) | 108 (19.7) |
| Hearing impairment | 44 (15.0) | 22 (13.3) | 17 (23.3) | 86 (15.7) |
| Vision impairment | 19 (6.2) | 18 (10.9) | 10 (13.7) | 48 (8.7) |
| Capability of ADL* | ||||
| Independent | 263 (89.8) | 148 (89.7) | 32 (84.9) | 486 (88.7) |
| Dependent | 30 (10.2) | 17 (10.3) | 11 (15.1) | 62 (11.3) |
Data are expressed as numbers (percentages) or means±SDs.
*Missing data: 1 in ADL, 18 in NRT.
†p<0.05 derived from χ2 tests.
ADL, activities of daily living; NRT, number of remaining teeth.