Health-related risky behaviors and their risk factors in adolescents with high-functioning autism

Table 1 Demographic characteristics of the high-functioning autism and control groups (personal information)

Items	Autism group, n = 110	Control group, n = 110	Z/χ2	P value
Age, median (min, max)	14.5 (12.0, 19.1)	14.4 (12.1, 19.0)	-0.268	0.789
Gender, n (%)			0	0.999
Female	17 (15.5)	17 (15.5)
Male	93 (84.5)	93 (84.5)
Race, n (%)			0.474	0.491
Han nationality	101 (91.8)	98 (91.8)
Ethnic minority	9 (8.2)	12 (8.2)
Residence, n (%)			0.372	0.830
City	94 (85.5)	97 (88.2)
Town	12 (10.9)	10 (9.1)
Village	4 (3.6)	3 (2.7)