Table 5.
Prevalence of oral parafunctions
| Variable | CLCPI | CLWP | P values | ||||
|---|---|---|---|---|---|---|---|
| Girls/Boys | Total (%) | Girls/Boys | Total (%) | CLCPI (Gender) | CLWP (Gender) | Difference between CLCPI and CLWP | |
| Biting pencil | 18/21 | 39 (21.2) | 12/11 | 23 (11.4) | 0.843 | 0.808 | 0.009* |
| Biting fingernails | 29/36 | 65 (35.3) | 28/20 | 48 (23.9) | 0.941 | 0.927 | 0.014* |
| Chewing ice, hard candies | 57/67 | 124 (67.4) | 60/37 | 97 (48.3) | 0.412 | 0.201 | 0.000* |
| Taking games apart with teeth | 14/18 | 32 (17.4) | 17/8 | 25 (12.4) | 1.00 | 0.317 | 0.172 |
| Opening bottles with teeth | 34/32 | 66 (35.9) | 21/16 | 37 (18.4) | 0.136 | 1.00 | 0.000* |
| Jaw play | 30/34 | 64 (34.8) | 40/16 | 56 (27.9) | 0.601 | 0.014* | 0.143 |
| Clenching/grinding teeth | 20/16 | 36 (19.6) | 14/12 | 26 (12.9) | 0.149 | 0.917 | 0.077 |
| Chewing gum everyday | 68/81 | 149 (81) | 96/63 | 159 (79.1) | 0.303 | 0.045* | 0.716 |
CLCPI, children living in child protection institutions; CLWP, children living with their parents.
*
Significant difference according to the chi-square test (P < 0.05).