Table 1.

Comparison of characteristics of participants with and without ASD

	ASD (+) n = 94 n (%)	ASD (−) n = 143	P value
Gender
Boy	67 (71.3)	49 (34.3)	< 0.001**
Girl	27 (28.7)	94 (65.7)
Age at onset of school refusal (y), mean ± SD	12.6 ± 2.2	13.8 ± 2.1	< 0.001 b
CGAS, mean ± SD	43.6 ± 7.0	45.5 ± 7.5	0.036 a
Duration between onset of school refusal and the first visit to hospital (months), mean ± SD	8.9 ± 14.2	9.6 ± 13.9	0.531
Having sibling
Yes	70 (74.5)	115 (80.4)	0.428
No	22 (23.4)	28 (19.6)
Unknown	2 (2.1)
Parents
Single	17 (18.1)	31 (21.7)	0.501
Both	77 (81.9)	112 (78.3)
Taking psychotropic drugs
Yes	20 (21.3)	32 (22.4)	0.841
No	74 (78.7)	111 (77.6)

Chi squared test, *p < 0.05, **p < 0.001

Mann–Whitney test, ^ap < 0.05,^bp < 0.001