Table 6 Intervention effect on school children’s socio-emotional skills and psychological problems moderated by intervention dosage, regression estimates from multilevel models. Intervention effect moderated by levels of intervention dosage (intensity) with control group as the reference: terms Intervention below/intended intensity x T1

Intercept

14.949****

9.513****

6.238****

6.034****

2nd grade

0.008

0.069

0.136

−0.288

3rd grade

−0.030

−0.017

0.247

0.130

Intervention below intended intensity

−0.255

−0.152

−0.237

0.788**

Intervention as intended

−0.326

−0.195

−0.388

0.123

T1

0.232**

0.105*

0.165*

−0.268**

Intervention below intended intensity x T1

0.068

0.031

−0.008

−0.069

Intervention as intended x T1

0.421**

0.162

0.326*

−0.324

Intercept

14.128****

9.135****

5.357****

7.412****

2nd grade

0.141

0.112

0.178

−0.601

3rd grade

−0.030

−0.050

0.162

0.525

Intervention below intended intensity

−0.197

−0.200

−0.137

1.089**

Intervention as intended

−0.170

−0.297

−0.237

0.060

T1

0.261**

0.084

0.139

−0.276*

Intervention below intended intensity x T1

−0.019

0.003

−0.032

−0.009

Intervention as intended x T1

0.219

0.182

0.249

−0.372

Intercept

15.736****

9.890****

7.023****

4.700****

2nd grade

−0.290

−0.080

0.031

0.247

3rd grade

−0.104

−0.036

0.303

−0.145

Intervention below intended intensity

−0.132

−0.003

−0.174

0.093

Intervention as intended

−0.289

−0.006

−0.384

−0.122

T1

0.209*

0.118

0.172*

−0.261*

Intervention below intended intensity x T1

0.152

0.066

0.033

−0.089

Intervention as intended x T1

0.586**

0.153

0.404*

−0.246