Table 3.
Construct validity: performance of CPQ11-14 versions against global questions
| Global Questions | CPQ11-14 ISF16(SD) | |||
|---|---|---|---|---|
| Northland | Brunei | Brazil | Otago | |
| Self-rated oral health | ||||
| Excellent | 9.4 (4.2)a | 15.6 (7.6)a | 7.4 (6.0)b | 9.6 (6.7)b |
| Very good | 9.1 (6.8) | 16.5 (9.0) | 8.3 (5.7) | 10.9 (7.0) |
| Good | 11.4 (6.8) | 15.6 (8.3) | 9.4 (7.2) | 14.1 (7.3) |
| Fair/Poor | 16.3 (9.0) | 18.7 (9.0) | 15.7 (10.0) | 19.7 (10.1) |
| Spearman's rhoc | 0.28 | 0.11d | 0.38 | 0.37 |
| Impact on quality of life | ||||
| Not at all | 8.9 (5.7)a | 13.89 (8.3)a | 7.6 (6.1) | 10.7 (5.6)b |
| Very little | 12.4 (6.6) | 16.3 (9.1) | 13.8 (8.8) | 13.9 (7.1) |
| Some | 14.6 (7.5) | 18.5(7.7) | 16.2 (10.3) | 18.2 (9.3) |
| A lot/Very much | 15.3 (0.9) | 17.8 (9.8) | 17.4 (10.2) | 24.8 (12.3) |
| Spearman's rhoc | 0.32 | 0.19 | 0.39 | 0.37 |
a p-value < 0.05 Kruskal-Wallis/Mann-Whitney
b p-value < 0.01 Kruskal-Wallis/Mann-Whitney
c correlation significant at 0.01 level
d correlation significant at 0.05 level