Table 3.

Pre-matching and post-matching results on children’s behavioural and emotional problems

	Pre-matching				Post-matching				d
	T	C	Diff	SE	T	C	Diff	SE
Emotionally reactive	2.64	1.81	0.83*	0.13	2.64	1.94	0.69*	0.19	0.29
Anxious/depressed	3.87	2.94	0.93*	0.13	3.87	3.00	0.87*	0.20	0.35
Somatic complaints	2.63	2.30	0.33*	0.12	2.63	2.52	0.11	0.18	0.05
Withdrawn	2.49	2.34	0.15	0.11	2.49	2.38	0.11	0.17	0.05
Sleep problems	2.77	2.29	0.49*	0.12	2.77	2.04	0.73*	0.19	0.31
Attention problems	3.58	2.79	0.79*	0.10	3.58	2.73	0.85*	0.15	0.46
Aggression	13.81	9.98	3.83*	0.38	13.81	10.30	3.51*	0.57	0.48

^*Denotes significance at the corrected significance level. All significant differences are highlighted in bold. T refers to the treatment group (children who were in utero during the 27F earthquake, n = 616) and C refers to the control group (children conceived after the 27F earthquake, who have not experienced the earthquake in utero or after, n = 933). Diff denotes the differences between groups in scores. SE represents the standard errors. d refers to Cohen’s d effect size