Table 1 Prevalence and mean values of the 14-item Child Oral Health Impact Profile (COHIP-14) scores before and after dental treatment (average 2.4 ± 1.7 months’ follow-up period) (n = 93)
| Â | Before COHIP-14 score | After COHIP-14 score | Difference (after-before) | ||
|---|---|---|---|---|---|
Mean(SD) | Mean(SD) | Mean(SD) | Effect size a | p-value | |
COHIP-14 | 37.5(7.9) | 45.2(7.7) | 7.7(8.1) | 1.0 | <  0.001* |
 Oral Health subscale (OH) | 26.0(5.4) | 31.9(5.7) | 5.8(6.0) | 1.0 | < 0.001* |
  Pain/tooth ache | 2.7(1.0) | 3.4(0.8) | 0.7(1.2) | 0.6 |  |
  Breathing through mouth | 2.0(1.1) | 2.5(1.2) | 0.5(1.2) | 0.4 |  |
  Discoloration of teeth | 1.9(1.4) | 3.4(1.1) | 1.5(1.6) | 0.9 |  |
  Crooked teeth or spaces | 2.5(1.5) | 3.5(1.0) | 1.0(1.6) | 0.6 |  |
  Sores or sore spots | 3.4(0.8) | 3.6(0.7) | 0.2(0.8) | 0.3 |  |
  Bad breath | 2.1(1.3) | 2.8(1.2) | 0.6(1.2) | 0.5 |  |
  Bleeding gums | 3.2(1.0) | 3.3(0.9) | 0.1(0.9) | 0.1 |  |
  Food sticking | 2.1(1.0) | 2.5(1.1) | 0.4(1.3) | 0.3 |  |
  Sensitivity to hot/cold | 3.1(1.0) | 3.6(0.7) | 0.5(1.2) | 0.4 |  |
  Dry mouth | 3.1(1.1) | 3.3(0.9) | 0.2(1.0) | 0.2 |  |
 Functional Limitations subscale (FL) | 11.4(4.0) | 13.3(3.0) | 1.9(3.6) | 0.5 | < 0.001* |
  Trouble chewing firm foods | 2.3(1.5) | 2.9(1.4) | 0.6(1.5) | 0.4 |  |
  Difficulty eating | 2.8(1.3) | 3.3(1.0) | 0.6(1.3) | 0.5 |  |
  Trouble sleeping due to teeth/face | 3.6(0.8) | 3.9(0.4) | 0.3(0.8) | 0.4 |  |
  Difficulty keeping teeth clean | 2.8(1.4) | 3.2(1.2) | 0.4(1.4) | 0.3 |  |