Table 5.

Point Estimates and 95% confidence intervals for performance and engagement during elicited pretend play at 22, 28, and 34 months.

		22 months		28 months		34 months
		Point Estimate	95% C.I.	Point Estimate	95% C.I.	Point Estimate	95% C.I.
Total Scores
LR		12.88	11.72–14.03	15.54	14.47–16.61	18.20	16.58–19.82
HR-noASD		11.26	9.48–13.03	13.80	12.15–15.44	16.33	13.77–18.90
ASD		5.12	2.59–7.64	9.21	6.93–11.49	13.30	9.34–17.27
Engagement
LR		9.44	8.97–9.91	10.21	9.93–10.49	10.70	10.32–11.08
HR-noASD		8.49	7.78–9.21	9.65	9.13–10.17	10.52	9.90–11.15
ASD		5.60	4.25–6.96	7.20	6.14–8.26	8.51	7.24–9.78

Note: Engagement was a composite of three 4-point ratings (1=low; 4= high) of children’s interest, compliance, and appropriate activity level.

ASD = Autism spectrum disorder; HR-noASD = High risk toddlers without a diagnosis; LR=Low risk toddlers