Table 5 The comparison of the mean score of different domains of parent reported SDQ between children with nail biting (> = 1 day per week) and that of those without nail biting.
From: Prevalence of nail biting and its association with mental health in a community sample of children
| Scale | Nail biting | Mean | Standard Deviation | 95% Confidence Interval for Mean | |
|---|---|---|---|---|---|
| Lower Bound | Upper Bound | ||||
| Prosocial behavior score | Without | 8.15 | 1.6 | 8.0 | 8.3 |
| With | 7.6 | 2.0 | 7.2 | 7.9 | |
| Hyperactivity/inattentiveness scale | Without | 5.5 | 1.6 | 5.4 | 5.7 |
| With | 5.8 | 1.7 | 5.5 | 6.0 | |
| emotional problem score | Without | 3.7 | 1.8 | 3.5 | 3.8 |
| With | 4.3 | 2.1 | 4.0 | 4.6 | |
| Conduct problem Score | Without | 2.9 | 1.4 | 2.8 | 3.0 |
| With | 3.2 | 1.4 | 3.0 | 3.4 | |
| Peer problem score | Without | 4.9 | 1.5 | 4.8 | 5.1 |
| With | 5.1 | 1.6 | 4.8 | 5.4 | |
| Total score | Without | 15.9 | 4.7 | 15.4 | 16.4 |
| With | 17.3 | 4.6 | 16.5 | 18.1 | |