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Table 5 Intervention effect on school children’s socio-emotional skills and psychological problems among girls. Regression estimates from multilevel models: intervention effect (Model A, term Intervention x T1) and intervention effect moderated by school grade (Model B, terms Intervention x 2nd/3rd grade x T1, 1st grade as the reference)

From: Short-term effects of the “Together at School” intervention program on children’s socio-emotional skills: a cluster randomized controlled trial

    MASCS SDQ
    Cooperation Empathy Prosocial Total/psychological problems
    Model A Model B Model A Model B Model A Model B Model A Model B
  Estimate Estimate Estimate Estimate Estimate Estimate Estimate Estimate
Baseline         
 Intercept 15.736**** 15.681**** 9.889**** 9.931**** 7.024**** 6.971**** 4.706**** 4.973****
 2nd grade −0.288 −0.303 −0.077 −0.255 0.030 0.103 0.228 0.153
 3rd grade −0.106 0.103 −0.037 0.034 0.301 0.393 −0.142 −0.976
 Intervention −0.170 −0.171 −0.004 −0.090 −0.223 −0.332 0.050 −0.460
 Intervention x 2nd grade   0.207   0.233   0.138   0.245
 Intervention x 3rd grade   −0.344   0.027   0.250   1.634*
Change by time         
  T1 0.209* 0.254 0.118 0.063 0.172* 0.243 −0.261* −0.369
  Intervention x T1 0.251 0.378 0.086 0.200 0.118 0.338 −0.125 0.063
  2nd grade x T1   −0.095   0.203   −0.035   0.001
  3rd grade x T1   −0.042   −0.056   −0.204   0.335
  Intervention x 2nd grade x T1   −0.224   −0.224   −0.387   −0.109
  Intervention x 3rd grade x T1   −0.109   −0.189   −0.311   −0.538
Variance componentsa         
 Student level         
  Intercept 8.015 8.014 2.610 2.612 3.687 3.690 22.086 22.062
  T1 4.065 4.065 1.590 1.589 2.243 2.241 7.281 7.283
Class level         
  Intercept 1.787 1.778 0.649 0.638 1.206 1.187 3.563 3.503
  T1 0.769 0.756 0.315 0.306 0.639 0.613 0.840 0.824
  1. MASCS multisource assessment of social competence scale, SDQ strengths and difficulties questionnaire
  2. *p < 0.10, **p < 0.05, ***p < 0.01, ****p < 0.001
  3. aAll variance components were statistically significant (p < 0.001)