Table 3.

A
Group differences in object sharing at crawler and walker visits.
Group	Crawlers				Walkers
	Throws	Gives	Approaches	Total	Throws	Gives	Approaches	Total
TD M(SD) & range	0.16(0.21) (0–0.64)	0.39(0.41) (0–1.23)	0.05(0.09) (0–0.3)	0.60(0.48) (0–1.54)	0.21(0.36) (0–1.39)	0.72(0.59) (0–1.77)	0.81(0.69) (0–2.6)	1.74(0.91) (0–3.77)
AR M(SD) & range	0.10(0.23) (0–0.90)	0.17(0.30) (0–0.89)	0.06(0.08) (0–0.27)	0.34(0.43) (0–1.33)	0.21(0.25) (0–0.82)	0.33(0.31) (0–1.17)	0.25(0.40) (0–1.5)	0.79(0.56) (0.11–2.3)
Significant group differences	–	–	–	–	–	p = 0.03†	p = 0.01†	p < 0.001*
Effect sizes with confidence intervals	–	–	–	–	–	0.81 (0.09–1.53)	0.97 (0.24–1.70)	1.23 (0.47–1.98)

B
Group differences in object sharing in the spontaneous and social conditions of the task.
Group	Spontaneous	Social
TD M(SD) & range	0.51(0.70) (0–3.57)	2.63(2.57) (0–10.4)
AR M(SD) & range	0.21(0.25) (0–1.14)	1.07(1.17) (0–5)
Significant group differences	p = 0.03*	p < 0.001*
Effect sizes with Confidence intervals	0.56 (−0.15–1.26)	0.76 (0.04–1.48)

C
Group differences in step rates to different targets during object sharing task.
Group	To objects	To caregiver	To elsewhere
TD M(SD) & range	5.21(4.22) (0–12.71)	6.05(4.00) (0–13.5)	5.87(5.67) (0–16.79)
AR M(SD) & range	1.82(3.43) (0–13.4)	1.45(1.80) (0–5.8)	8.22(7.41) (0.78–28.11)
Significant group differences	p = 0.02*	p < 0.001*	–
Effect sizes with confidence intervals	0.86 (0.14–1.58)	1.45 (0.67–2.22)	–

^*Significant difference.

^†Statistical trend.