Table 3 Criterion and construct validity tests for Korean elderly OIDP index and relationship with clinical measures: OIDP scores (0–100) between different categories of outcome measurements
Variables | Categories | N | Mean | (SD) | Quartiles | P |
|---|---|---|---|---|---|---|
Subjective health status measures | ||||||
Perceived dental treatment need (n = 651) | no need at all | 58 | 0.9 | (2.8) | (0.0, 0.0, 0.0) | < 0.001 |
| Â | no need | 172 | 3.4 | (9.1) | (0.0, 0.0, 2.2) | Â |
| Â | fair level of need | 64 | 3.6 | (7.3) | (0.0, 0.0, 3.2) | Â |
| Â | need | 189 | 6.8 | (11.0) | (0.0, 1.8, 8.6) | Â |
| Â | high level of need | 168 | 17.8 | (20.1) | (2.7, 10.2, 25.4) | Â |
Perceived oral health (n = 665) | good | 123 | 1.9 | (6.2) | (0.0, 0.0, 0.0) | < 0.001 |
| Â | fair | 127 | 2.3 | (4.9) | (0.0, 0.0, 1.6) | Â |
| Â | poor | 230 | 7.7 | (13.1) | (0.0, 2.2, 9.6) | Â |
| Â | very poor | 185 | 15.8 | (19.1) | (0.4, 10.0, 20.6) | Â |
Pain VAS (categorised) (n = 668) | 0 | 437 | 4.5 | (10.2) | (0.0, 0.0, 6.0) | < 0.001 |
|  | 1–5 | 140 | 8.7 | (13.2) | (0.0, 2.8, 12.0) |  |
|  | 6–10 | 91 | 22.1 | (21.3) | (6.0, 17.6, 31.2) |  |
Satisfaction with oral health (n = 666) | satisfied | 156 | 1.8 | (6.7) | (0.0, 0.0, 0.0) | < 0.001 |
| Â | fairly satisfied | 131 | 2.5 | (5.7) | (0.0, 0.0, 1.6) | Â |
| Â | not satisfied | 207 | 9.0 | (13.6) | (0.0, 4.0, 12.0) | Â |
| Â | not at all satisfied | 172 | 16.1 | (19.2) | (1.7, 10.0, 20.4) | Â |
Perceived general health (n = 666) | good | 120 | 3.4 | (8.2) | (0.0, 0.0, 2.0) | < 0.001 |
| Â | fair | 168 | 7.4 | (14.5) | (0.0, 0.0, 8.3) | Â |
| Â | poor | 200 | 7.7 | (14.6) | (0.0, 0.6, 8.4) | Â |
| Â | very poor | 178 | 11.3 | (15.7) | (0.0, 6.0, 16.0) | Â |
Clinical dental treatment needs | ||||||
Restorative need | no need | 425 | 7.1 | (13.4) | (0.0, 0.0, 6.0) | = 0.016 |
| Â | one surface | 51 | 7.2 | (13.2) | (0.0, 2.0, 13.4) | Â |
| Â | pulp care + restoration or extraction | 192 | 9.6 | (15.8) | (0.0, 3.0, 14.0) | Â |
Prosthetic need | no need | 373 | 6.3 | (13.1) | (0.0, 0.0, 8.0) | < 0.001 |
| Â | in one jaw | 157 | 9.0 | (14.4) | (0.0, 0.0, 10.0) | Â |
| Â | both jaws | 138 | 10.4 | (16.0) | (0.0, 2.4, 12.0) | Â |