Table 2. Results immediately following the intervention, given as beta coefficients from mixed models with randomization effects for clusters and stepwise adjustment for confounding factors.

n=215	Wally	PSBQ			C-TRF
	All items	Prosocial behavior	Externalizing disorder	Total problem behavior	Internalizing disorder	Externalizing disorder	Total problem behavior
	Effect[95% CI]*	Effect[95% CI]*	Effect[95% CI]*	Effect[95D CI]*	Effect[95% CI]*	Effect[95% CI]*	Effect[95% CI]*
Univariate analysis	0.98[0.28; 1.67]	−0.19[−0.73; 0.35]	−0.20[−0.41; 0.01]	−0.22[−0.51; 0.07]	−0.32[−0.70; 0.06]	−0.16[-0.37; 0.05]	−0.23[−0.49; 0.03]
+ adjusted for sex	0.98[0.29; 1.68]	−0.19[−0.73; 0.35]	−0.21[−0.41; 0.00]	−0.22[−0.51; 0.07]	−0.32[−0.70; 0.06]	-0.16[−0.37; 0.05]	−0.23[−0.49; 0.03]
+ adjusted for age (in years)	1.00[0.32; 1.68]	−0.19[−0.72; 0.35]	−0.20[−0.39; –0.02]	−0.21[−0.49; 0.07]	−0.32[−0.70; 0.06]	−0.16[-0.36; 0.05]	−0.23[−0.49; 0.03]
+ adjusted for disease/disability	1.03[0.30; 1.77]	−0.17[-0.70; 0.36]	−0.23[–0.41; –0.04]	−0.24[−0.51; 0.03]	−0.34[−0.70; 0.03]	-0.21[-0.37; –0.05]	−0.26[-0.48; –0.04]
+ adjusted for baseline test value	0.79[0.13; 1.46]	−0.31[−0.92; 0.30]	−0.06[−0.26; 0.15]	0.02[−0.21; 0.18]	−0.01[−0.13; 0.15]	0.04[−0.23; 0.16]	0.02[−0.25; 0.21]

PSBQ, Preschool Social Behavior Questionnaire; C-TRF, Caregiver–Teacher Report Form; CI, confidence interval;

^*Confidence intervals were calculated on the basis of t-quantiles.

Effects where the confidence interval does not include zero are shown in bold