Table 2.
Effects of intervention on primary outcomes 3 months post intervention (T3)
| eTAU | WHO CST | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | 3-months post-intervention | Baseline | 3-months post-intervention | Mean change difference* | |||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean [95% CI] | ηp2 | p | |
| BOSCC Total score | 31.49 | 11.33 | 29.70 | 12.28 | 27.35 | 10.93 | 25.39 | 10.75 | -0.71 [-3.45, 2.02] | < 0.001 | .99 |
| JERI Joint engagement | 3.02 | 2.14 | 3.52 | 2.03 | 3.44 | 2.07 | 4.35 | 2.02 | 0.53 [-0.07, 1.14] | 0.03 | .19 |
| JERI Child availability | 11.95 | 4.74 | 12.25 | 4.80 | 12.65 | 4.43 | 13.51 | 4.31 | 0.69 [-0.43, 1.81] | 0.01 | .56 |
| JERI Parent support of interaction | 11.16 | 3.99 | 11.57 | 4.73 | 11.44 | 4.56 | 14.84 | 4.29 | 3.08 [1.66, 4.49] | 0.18 | < .001 |
| JERI Flow of interaction | 3.58 | 1.62 | 3.93 | 1.56 | 3.86 | 1.67 | 4.66 | 1.59 | 0.54 [0.07, 1.02] | 0.05 | .03 |
ITT analysis, ANCOVA: means from baseline and 3 months post intervention, mean change difference and effect size. p-values are from the ANCOVA based on multiple imputation. A p-value < 0.05 was considered statistically significant
*Mean change difference 3-months post-intervention controlling for outcome measured at baseline
ANCOVA analysis of covariance; BOSCC Brief Observation of Social Communication Change, JERI Joint Engagement Rating Inventory