Table 1 Clinical profile of the sample with biomotion data

Sex

77F, 205 M

58F, 146 M

70F, 182 M

51F, 122 M

Age (years)

282 ASD

204 NT

17.1 (5.6) 6–31

17.9 (5.6) 6–31

t(1484) =  − 1.649, p = 0.100

213 ASD/152 NT

18.2 (5.5) 8–32

18.5 (5.4) 8–33

t(1363) =  − 0.568, p = 0.571

Full-scale IQ

278 ASD

203 NT

100.0 (18.3) 55–148

107.0 (14.6) 62–142

t(1479) =  − 4.495, p =  < 0.001

N/A

N/A

N/A

N/A

ADOS-2 social affect CSS

237 ASD

6.0 (2.6) 1–10

N/A

145 ASD

5.9 (2.6) 1–10

N/A

ADOS-2 RRB CSS

237 ASD

4.4 (2.7) 1–10

N/A

145 ASD

4.9 (2.7) 1–10

N/A

SRS-2 T-score (parent)

232 ASD

99 NT

71.7 (11.9) 43–95

46.5 (6.9) 37–71

t(1329) = 19.749, p =  < 0.001

83 ASD/54 NT

73.0 (10.9) 43–90

45.6 (6.8) 37–64

t(1135) = 16.529, p =  < 0.001

Vineland socialisation standard score

233 ASD

71.5 (16.2) 20–119

N/A

171 ASD

76.3 (14.5) 30–111

N/A

Vineland communication standard score

237 ASD

75.5 (15.4) 21–122

N/A

176 ASD

75.2 (15.0) 21–108

N/A