ECBI

Intensity score 
t = 2.3, 89 df, p = 0.024
 t = 0.81, 84 df, p = 0.42 
Problem score  t = 0.06, 73 df, p = 0.95  t = 0.14, 73 df, p = 0.89 
SDQ

Conduct problem score 
t = 2.2, 80 df, p = 0.034
 z = −0.15, p = 0.88 
Emotional score  z = −0.57, p = 0.57  z = −0.12, p = 0.91 
Hyperactivity  z = −0.56, p = 0.57  z = −0.26, p = 0.80 
Peer problems  z = −0.21, p = 0.83  z = −0.99, p = 0.32 
Prosocial score  z = 1.47, p = 0.14  z = −0.24, p = 0.81 
Total difficulties  t = 1.19, 77 df, p = 0.34  t = 0.29, 75 df, p = 0.77 
Impact  z = 0.74, p = 0.46  z = −0.44, p = 0.66 
GHQ

Total  t = 0.94, 80 df, p = 0.24  z = −0.60, p = 0.55 
Anxiety  z = −0.10, p = 0.92  z = −0.77, p = 0.44 
Somatic symptoms  z = −0.75, p = 0.45  z = −0.32, p = 0.75 
Depression  z = −1.68, p = 0.09  z = −2.25, p = 0.025 
Social dysfunction  z = −1.27, p = 0.20  z = −1.7, p = 0.87 
PSI

Total  t = 1.3, 82 df, p = 0.20  t = −0.40, 81 df, p = 0.69 
Parent domain  t = 0.72, 82 df, p = 0.48  t = 0.69, 81 df, p = 0.49 
Difficult child domain  t = 0.89, 82 df, p = 0.38  t = −0.10, 81 df, p = 0.93 
Parentchild interaction  t = 1.75, 82 df, p = 0.09  t = −0.10, 81 df, p = 0.93 
SES
 t = 0.20, 82 df, p = 0.84  t = −0.27, 81 df, p = 0.79 