Skip to main content
. 2014 Oct 25;9:159. doi: 10.1186/s13023-014-0159-8

Table 4.

Dichotomous outcomes in the reviewed studies

Reference N Instrument Subscale n IT-IEM n control Results Test of between group significance Cramer's V
Psychological adjustment, self-report
% present IT-IEM/% present control Compared to healthy control group
Muelly et al., 2013 [24] SCID, DSM-IV Depression current 26 26 29/4 χ2 = 22.68; df = 1; p (2-tail) = 0.000 (***) 0.34
N = 26 Depression lifetime 26 26 42/19 χ2 = 12.48; df = 1; p (2-tail) = 0.000 (***) 0.25
Anxiety current 26 26 42/15 χ2 = 17.89; df = 1; p (2-tail) = 0.000 (***) 0.30
Anxiety lifetime 26 26 58/31 χ2 = 14.96; df = 1; p (2-tail) = 0.000 (***) 0.27
Psychological adjustment, proxy-report
n IT-IEM in different categories (n control n.a.) No group of comparison
Gramer et al., 2013 [19] Perceived burden for the child 34 none No (n = 5), little (n = 17), middle (n = 5), heavy (n = 4), very heavy (n = 3) n.a. n.a.
N = 34
Social behaviour 34 none Lower than norm (n = 3), same as norm (n = 28), higher than norm (n = 3) n.a. n.a.
% normal/at risk/clinically sign. IT-IEM Compared to population norms
(% normal/at risk/clinically sign. control)
Grünert et al., 2013 [26] SDQ Emotional symptoms 48 930 62/13/25 (84/7/9) χ2 = 12.64; df = 2; p (2-tail) = 0.002 (**) 0.25
N = 48 Conduct problems 46 930 54/26/20 (69/16/15) χ2 = 4.93; df = 2; p (2-tail) = 0.085 (ns) 0.15
Hyperactivity/Inattention 47 930 62/28/10 (86/6/8) χ2 = 18.35; df = 2; p (2-tail) = 0.000 (***) 0.30
Peer relationship problem 46 930 39/20/41 (78/11/12) χ2 = 32.92; df = 2; p (2-tail) = 0.000 (***) 0.40
Prosocial behaviour 47 930 57/9/34 (89/7/4) χ2 = 30.95; df = 2; p (2-tail) = 0.000 (***) 0.39
Influence on child's life 48 930 60/11/29 (n.a.) n.a. n.a.
Total 46 930 52/20/28 (85/8/7) χ2 = 25.69; df = 2; p (2-tail) = 0.000 (***) 0.36
% normal/at risk/clinically sign. IT-IEM Compared to population norms
(% normal/at risk/clinically sign. control)
Krivitzky et al., 2009 [27] CBCL Internalising problems 68 576 79/17/4 (83/7/11) χ2 = 5.87; df = 2; p (2-tail) = 0.053 (ns) 0.17
N = 92 Externalising problems 68 576 80/16/4 (83/7/11) χ2 = 5.26; df = 2; p (2-tail) = 0.072 (ns) 0.16

Abbreviations: CBCL (Child Behaviour Check List), DSM-IV (Diagnostic and Statistical Manual of Mental Disorders IV), SCID (Structured Clinical Interview for DSM-IV), SDQ (Strengths and Difficulties Questionnaire).