Table 3.

Comparison between males and females on key ADOS-2 items

	Males		Females		p
	n	% atypical	n	% atypical
SA
Pointing	62	71.0	17	76.5	0.767
Gestures	83	55.4	32	37.5	0.099
Eye contact	83	81.9	32	53.1	0.004*
Facial expressions	83	88.0	32	71.9	0.050
Shared enjoyment	83	49.4	32	18.8	0.003*
Showing	62	77.4	17	35.3	0.002*
Response to joint attention	62	29.0	17	11.8	0.212
Initiation of joint attention	62	71.0	17	29.4	0.004*
Quality of social overtures	83	88.0	32	75.0	0.095
Rapport	83	72.3	32	46.9	0.016*
RRB
Sensory	83	62.7	32	31.3	0.003*
Mannerisms	83	59.0	32	46.9	0.296
Repetitive and stereotyped behaviours	83	73.5	32	68.8	0.646
Stereotyped language	62	78.7	27	63.0	0.187
Other
Use of body as tool	39	38.5	9	11.1	0.238
Response to name	62	43.5	17	11.8	0.022*
Social smile	33	51.5	6	16.7	0.190
Amount of social overtures (examiner)	83	72.3	32	37.5	0.001*
Amount of social overtures (caregiver)	48	55.1	16	6.3	0.001*
Amount of reciprocal communication	42	66.7	23	30.4	0.009*
Functional play	62	69.4	17	29.4	0.005*
Imaginative/creative play	83	94.0	31	67.7	0.001*
Self-injury	83	12.0	32	0.0	0.060
Anxiety	83	36.1	31	35.5	0.999

All p values computed using Fisher’s exact test

*p value remained < 0.05 after adjusting for multiple testing using FDR