Table 3.
Results from mixed model analyses with MASC child and parent version, and SMFQ child and parent version as dependent variables
| Time | Measurement | Intervention group | Control group | Difference (interaction between group and time) | p-value | |||
|---|---|---|---|---|---|---|---|---|
| N | Mean (SE) | N | Mean (SE) | Estimate (95% CI) | ||||
| Baseline to 12 months follow-up | Post-intervention to 12 months follow-up | |||||||
| Baseline | MASC-C | 358 | 63.90 (.94) | 437 | 62.99 (.88) | |||
| MASC-P | 268 | 45.57 (.96) | 300 | 40.52 (.89) | ||||
| SMFQ-C | 358 | 10.41 (.32) | 437 | 9.45 (.30) | ||||
| SMFQ-P | 267 | 6.69 (.28) | 298 | 4.64 (.26) | ||||
| Post intervention | MASC-C | 266 | 51.14 (1.00) | 428 | 56.40 (.88) | 2.63 (− .14 to 5.39) | .062 | |
| MASC-P | 194 | 43.50 (1.04) | 230 | 38.87 (.98) | − 2.08 (− 4.49 to .34) | .092 | ||
| SMFQ-C | 265 | 7.86 (.34) | 428 | 7.65 (.30) | .07 (− .85 to .99) | .879 | ||
| SMFQ-P | 193 | 5.06 (.31) | 227 | 4.32 (.29) | − .23 (− 1.00 to .54) | .564 | ||
| 12 months follow-up | MASC-C | 269 | 49.13 (.99) | 406 | 51.76 (.90) | 4.56 (1.83 to 7.29) | .001*** | |
| MASC-P | 193 | 41.57 (1.05) | 239 | 39.03 (.98) | 2.50 (.26 to 4.74) | .029* | ||
| SMFQ-C | 269 | 6.75 (.33) | 406 | 6.48 (.30) | .69 (− .22 to 1.60) | .139 | ||
| SMFQ_P | 188 | 4.43 (.31) | 235 | 3.92 (.29) | 1.55 (.83 to 2.26) | < .001*** | ||
Child as random effect, and time as a categorical fixed-effects variable using three time-points (pre, post, and 12 months after intervention), interaction between intervention and time, child age and gender as covariates
MASC-C The Multidimensional Anxiety Scale for Children-child report, MASC-P The Multidimensional Anxiety Scale for Children-parent report, SMFQ-C The Mood and Feelings Questionnaire-short form child report, SMFQ-P The Mood and Feelings Questionnaire-short form, parent report
* p ≤ .05. ** p ≤ .01. *** p ≤ .001