Table 5 Findings for discriminant validity in preliminary and field studies
Variables | Child Impact section | Family Impact section | ||||||
|---|---|---|---|---|---|---|---|---|
Mean B-ECOHIS Score (SD) | Mean B-ECOHIS Score (SD) | P- value, Kruskall-Wallis test | ||||||
n | [Median B-ECOHIS Score] | Difference | P value Kruskall-Wallis test | n | [Median B-ECOHIS Score] | Difference | ||
Preliminary study | ||||||||
Decayed, missing and/or filled teeth | ||||||||
None (a) | 81 | 1.2 (2.1) | 81 | 0.4 (1.1) | ||||
[0.0] | a,b*** | - | [0.0] | a,b*** | - | |||
One or more (b) | 69 | 4.2 (3.7) | 69 | 2.7 (2.5) | ||||
[4.0] | [2.0] | |||||||
Decayed teeth | ||||||||
None (a) | 90 | 1.3 (2.1) | 90 | 0.5 (1.2) | ||||
[0.0] | [0.0] | |||||||
1-3 (b) | 36 | 4.1 (4.0) | a,b***; | p < 0.001 | 36 | 2.3 (2.3) | a,b***; | p < 0.001 |
[3.0] | a,c***; | [2.0] | a,c***; | |||||
≥4 (c) | 24 | 5.2 (3.4) | b, cn.s | 24 | 3.7 (2.7) | b,c* | ||
[5.5] | [2.0] | |||||||
Discolored upper anterior teeth | ||||||||
None (a) | 132 | 2.2 (3.1) | 132 | 1.1 (1.9) | ||||
[1.0] | a,b*** | - | [0.0] | a,b*** | - | |||
One or more (b) | 18 | 5.2 (3.5) | 18 | 3.7 (3.1) | ||||
[5.5] | [3.0] | |||||||
Field study | ||||||||
Decayed, missing and/or filled teeth | ||||||||
None (a) | 862 | 1.2 (2.6) | 875 | 0.6 (1.6) | ||||
[0.0] | a,b*** | - | [0.0] | a,b*** | - | |||
One or more (b) | 737 | 4.5 (5.6) | 746 | 2.7 (3.3) | ||||
[2.0] | [2.0] | |||||||
Decayed teeth | ||||||||
None (a) | 980 | 1.4(2.8) | 997 | 0.8 (1.8) | ||||
[0.0] | [0.0] | |||||||
1-3 (b) | 387 | 3.2 (4.4) | a,b***; | p < 0.001 | 389 | 2.1 (3.0) | a,b***; | p < 0.001 |
[1.0] | a,c***; | [0.0] | a,c***; | |||||
≥4 (c) | 232 | 7.3 (7.0) | b,c*** | 235 | 4.2 (3.7) | b,c*** | ||
[5.5] | [4.0] | |||||||
Discolored upper anterior teeth | ||||||||
None (a) | 1364 | 2.5 (4.4) | 1381 | 1.5 (2.7) | ||||
[0.0] | a,b*** | - | [0.0] | a,b*** | - | |||
One or more (b) | 219 | 3.0 (4.1) | 220 | 2.0 (2.9) | ||||
[1.0] | [0.0] | |||||||