Discriminative ability of the BITSEA between subgroups differing in parental worries about a child's behaviour, emotions or relationships, by gender and ethnic background, N = 3103.

Note: All differences in means between ‘worried’ and ‘not worried’ are significant at p1Difference of the means divided by SD in the subgroup with worries.aindicates a large effect (d≥0.8).bindicates a medium effect (0.5≤d≥0.8).cindicates a small effect (0.2≤d≥0.5).