Table 2.

Mean scores (standard deviation) for PFQ, NFQ, depression and anxiety by groups and sub-groups.

	Min –max	Girls			Boys			Total
		Autistic	Non-autistic	Total	Autistic	Non-autistic	Total	Autistic	Non-autistic	Total
PFQ	1–3	2.52 (0.32)	2.72 (0.20)	2.69 (0.23)	2.42 (0.32)	2.59 (0.24)	2.51 (0.29)	2.44 (0.32)	2.66 (0.23)	2.59 (0.28)
NFQ	1–3	1.25 (0.26)	1.20 (0.21)	1.21 (0.22)	1.35 (0.32)	1.19 (0.18)	1.27 (0.27)	1.33 (0.31)	1.20 (0.20)	1.24 (0.25)
Depression	1–3	1.44 (0.21)	1.30 (0.20)	1.32 (0.20)	1.41 (0.21)	1.33 (0.18)	1.37 (0.20)	1.41 (0.21)	1.32 (0.19)	1.35 (0.20)|
Anxiety	1–4	2.05 (0.44)	1.43 (0.39)	1.55 (0.45)	2.01 (0.60)	1.41 (0.39)	1.73 (0.57)	2.02 (0.57)	1.42 (0.38)	1.65 (0.53)

NFQ: negative friendship quality; PFQ: positive friendship quality.