Table 2.

Spearman correlations between banded SDQ scores (normal vs. abnormal) and socio-demographic variables

	1.	2.	3.	4.	5.	6.	7.	8.	9.	10.	11.	12.	13.	14.	15.
1. Total Difficulties	1
2. Conduct	0.45**	1
3. Hyperactivity	0.41**	0.29**	1
4. Emotional	0.35**	0.14**	0.10**	1
5. Peer problems	0.42**	0.15**	0.10**	0.17**	1
6. Pro-social	0.18**	0.14**	0.20**	0.06**	0.16**	1
7. Sex of child	−0.07**	−0.04**	−0.09**	0.01	−0.04**	−0.05**	1
8. Ethnicity (White)	0.08**	0.02	0.04**	0.02	0.07**	0.06**	−0.01	1
9. Mother education (No qualifications)	−0.13**	−0.13**	−0.11**	−0.06**	−0.03	−0.05**	0.01	−0.05**	1
10. Household income (Lowest)	−0.16**	−0.15**	−0.11**	−0.07**	−0.08**	−0.06**	0.03*	−0.12**	0.50**	1
11. Mother’s employment	0.09**	0.09**	0.08**	0.05**	0.05**	0.05**	−0.02	0.10**	−0.28**	−0.40**	1
12. Household NSSEC (Managerial and Professional)	0.15**	0.15**	0.10**	0.07**	0.06**	0.05**	−0.04*	0.04**	−0.55**	−0.60**	0.29**	1
13. Age of mother at birth of child (Age 20 or under)	−0.09**	−0.10**	−0.12**	−0.05**	−0.02	−0.03*	0.03	−0.02	0.26**	0.34**	−0.15**	−0.38**	1
14. Urban/rural classification (Large urban)	−0.02	−0.02	−0.04**	−0.01	−0.00	−0.04*	0.00	−0.14**	0.06**	0.02	0.00	−0.04**	0.05**	1
15. SIMD (2006) (Least Deprived)	0.13**	0.14**	0.12**	0.04**	0.05**	0.04**	0.00	0.06**	−0.38**	−0.46**	0.16**	0.44**	−0.34**	−0.16**	1
16. Health board (GGC)	−0.08	0.01	−0.03*	0.01	−0.02	0.00	−0.00	−0.16**	0.02	−0.00	0.01	0.00	0.01	0.39**	−0.08**

*p<0.05, **p<0.01.