Table 2.

Engagement and peer interaction behaviors for children with ASD and their matched peers.

	Matched peers		Children with ASD
	Female	Male	Female	Male
	Mean (SD)		Mean (SD)
POPE
Engagement	69.17 (27.61)	73.51 (28.18)	40.37 (29.02)	42.53 (29.45)
Solitary	8.16 (15.29)	9.42 (15.09)	25.22 (22.27)	30.51 (28.37)
Peer interaction behavior per minute
Successful initiation rate	0.76 (0.64)	0.64 (0.45)	0.56 (0.41)	0.38 (0.38)
Total initiation rate	0.77 (0.63)	0.69 (0.46)	0.68 (0.48)	0.46 (0.37)
% of successful initiation	0.96 (0.08)	0.92 (0.12)	0.83 (0.15)	0.74 (0.24)
Positive response rate	0.66 (0.44)	0.60 (0.48)	0.36 (0.28)	0.36 (0.35)
Total opportunities to respond rate	0.69 (0.43)	0.66 (0.49)	0.40 (0.29)	0.43 (0.37)
% of positive response	0.93 (0.16)	0.91 (0.16)	0.92 (0.10)	0.81 (0.21)

ASD: autism spectrum disorder; SD: standard deviation; POPE: Playground Observation of Peer Engagement.