Table 2.
Effects of the intervention on Autism Behavior Checklist scores, Childhood Autism Rating Scale scores, and measurements in go/no-go tasks, analyzed by generalized estimating equations.
| Outcome measures | Group by time interaction effect | Change in baseline intervention group versus control group | |||||||||||||
|
|
βa (95% CI) | P value | β (95% CI) | P value | |||||||||||
| Autism Behavior Checklist | |||||||||||||||
|
|
Total | –5.746 (–8.681 to –2.812) | <.001 | –5.528 (–8.599 to –2.457) | <.001 | ||||||||||
|
|
Sensory | –1.244 (–2.329 to –.158) | .03 | –1.133 (–2.251 to –.016) | .047 | ||||||||||
|
|
Relating | –1.513 (–2.854 to –.173) | .03 | –1.512 (–2.904 to –.120) | .03 | ||||||||||
|
|
Body and object use | –1.189 (–2.252 to –.125) | .03 | –1.211 (–2.295 to –.126) | .03 | ||||||||||
|
|
Language | –.172 (–.866 to .521) | .63 | –.080 (–.784 to .625) | .83 | ||||||||||
|
|
Social and self-help | –1.457 (–2.876 to –.038) | .04 | –1.593 (–3.056 to –.130) | .03 | ||||||||||
| Childhood Autism Rating Scale | –1.304 (–2.462 to –.146) | .03 | –1.365 (–2.534 to –.196) | .02 | |||||||||||
| Go/no-go task | |||||||||||||||
|
|
Accuracy (%) | 2.258 (–.520 to 5.036) | .11 | 2.923 (.090 to 5.757) | .04 | ||||||||||
|
|
Reaction time (s) | –3.105 (–9.197 to 2.986) | .32 | –3.171 (–9.271 to 2.929) | .31 | ||||||||||
| Boys | |||||||||||||||
|
|
Autism Behavior Checklist | ||||||||||||||
|
|
|
Total | –4.612 (–7.909 to –1.316) | .01 | –4.205 (–7.656 to –.754) | .02 | |||||||||
|
|
|
Sensory | –1.027 (–2.386 to .332) | .14 | –.799 (–2.211 to .613) | .27 | |||||||||
|
|
|
Relating | –1.432 (–2.929 to .065) | .06 | –1.484 (–3.060 to .092) | .07 | |||||||||
|
|
|
Body and object use | –.704 (–1.700 to .293) | .17 | –.701 (–1.713 to .310) | .17 | |||||||||
|
|
|
Language | –.016 (–.850 to .818) | .97 | .103 (–.747 to .953) | .81 | |||||||||
|
|
|
Social and self-help | –1.243 (–2.807 to .321) | .12 | –1.324 (–2.935 to .287) | .11 | |||||||||
|
|
Childhood Autism Rating Scale | –.950 (–2.304 to .403) | .17 | –1.022 (–2.392 to .349) | .14 | ||||||||||
|
|
Go/no-go task | ||||||||||||||
|
|
|
Accuracy (%) | .681 (–2.547 to 3.908) | .68 | 1.548 (–1.773 to 4.869) | .36 | |||||||||
|
|
|
Reaction time (s) | –2.301 (–9.107 to 4.505) | .51 | –2.427 (–9.274 to 4.419) | .49 | |||||||||
| Girls | |||||||||||||||
|
|
Autism Behavior Checklist | ||||||||||||||
|
|
|
Total | –9.386 (–15.143 to –3.629) | .001 | –9.500 (–15.312 to –3.688) | .001 | |||||||||
|
|
|
Sensory | –2.118 (–3.455 to –.781) | .002 | –2.125 (–3.464 to –.786) | .002 | |||||||||
|
|
|
Relating | –1.701 (–4.507 to 1.106) | .24 | –1.625 (–4.444 to 1.194) | .26 | |||||||||
|
|
|
Body and object use | –2.724 (–5.475 to .026) | .052 | –2.750 (–5.495 to –.005) | .05 | |||||||||
|
|
|
Language | –.627 (–1.768 to .513) | .28 | –.625 (–1.771 to .521) | .29 | |||||||||
|
|
|
Social and self-help | –2.184 (–5.474 to 1.106) | .19 | –2.375 (–5.652 to .902) | .16 | |||||||||
|
|
Childhood Autism Rating Scale | –2.389 (–4.550 to –.227) | .03 | –2.375 (–4.544 to –.206) | .03 | ||||||||||
|
|
Go/no-go task | ||||||||||||||
|
|
|
Accuracy (%) | 6.737 (2.150 to 11.323) | .004 | 6.900 (2.300 to 11.500) | .003 | |||||||||
|
|
|
Reaction time (s) | –5.974 (–18.903 to 6.955) | .37 | –5.437 (–18.350 to 7.475) | .41 | |||||||||
aCoefficient of generalized estimating equation model.