Table 5 Construct and criterion validity. Comparison of OIDP scores and self-rated measures of oral health and needs (n = 285)
Mean (SD) | Quartiles | P value | |
|---|---|---|---|
Perceived dental treatment need | |||
Not at all | 0.7 (2.0) | (0.0, 0.0, 0.0) | < 0.001 |
Very little | 1.3 (1.6) | (0.0, 0.0, 2.0) | |
To some extent | 4.6 (4.8) | (1.5, 3.3, 6.5) | |
Considerably and a great deal | 8.9 (8.1) | (3.7, 6.9, 10.2) | |
Perceived oral health | |||
Very poor | 9.6 (6.3) | (4.4, 9.5, 14.2) | < 0.001 |
Poor | 8.9 (8.2) | (4.0, 6.6, 9.8) | |
Fair | 3.4 (4.4) | (0.0, 2.1, 4.7) | |
Good | 1.7 (2.6) | (0.0, 0.0, 1.8) | |
Very good | 0.0 (0.0) | (0.0, 0.0, 0.0) | |
Perceived oral health vs. general health | |||
Superior | 1.4 (2.9) | (0.0, 0.0, 1.8) | < 0.001 |
Equal | 3.2 (5.6) | (0.0, 1.8, 4.4) | |
Inferior | 7.9 (7.7) | (1.8, 6.6, 11.2) | |
Perceived general health | |||
Poor and Fair | 7.3 (7.4) | (1.3, 4.4, 10.9) | <0.001 |
Good | 3.7 (5.7) | (0.0, 2.2, 5.3) | |
Very good | 2.0 (3.1) | (0.0, 0.0, 3.6) | |
Satisfaction with mouth/teeth | |||
Not at all | 8.5 (8.3) | (4.0, 6.5, 9.1) | < 0.001 |
Very little and To some extent | 5.3 (6.1) | (1.5, 4.1, 7.9) | |
Considerably | 1.1 (2.1) | (0.0, 0.0, 1.8) | |
A great deal | 0.7 (2.0) | (0.0, 0.0, 0.0) | |
Prevalence of pain in mouth | |||
No | 1.5 (3.0) | (0.0, 0.0, 1.8) | < 0.001 |
Yes, not severe | 3.2 (3.8) | (0.0, 1.8, 5.1) | |
Yes, severe | 7.7 (8.3) | (2.6, 4.5, 8.7) | |
Yes, very severe | 10.7 (8.6) | (5.5, 9.8, 13.1) |