Proportion of children with abnormal Total Difficulties* scores by age and deprivation at ages 4 and 7
| Age 4 years | Age 7 years | Difference in disparity between ages 4 and 7 years | |||||
| Most deprived | Least deprived | Disparity between most and least deprived quintiles | Most deprived | Least deprived | Disparity between most and least deprived quintiles | ||
| Emotional Symptoms | 5.8 | 3.3 | 2.5 | 7.8 | 3 | 4.8 | 2.3 |
| Conduct Problems | 8.2 | 5 | 3.2 | 11.7 | 3 | 8.7 | 5.5 |
| Hyperactivity/Inattention | 10.4 | 6.4 | 4 | 22.3 | 8.5 | 13.8 | 9.8 |
| Peer Relationship Problems | 9.1 | 5.6 | 3.5 | 6 | 1.7 | 4.3 | 0.8 |
| Prosocial skills | 13.7 | 7.9 | 5.8 | 10.2 | 5 | 5.2 | −0.6 |
*Total Difficulties is the sum of the four negative SDQ scales: Conduct Problems, Hyperactivity/Inattention, Peer Relationship Problems and Emotional Symptoms.