Table 5.

Summary of study findings with regards to sex differences in cognitive, adaptive and behavioral test scores in four research datasets, grouped by which Autism Diagnostic Observation Schedule (ADOS) module had been administered.

Cognitive, adaptive and behavioral test scores	Children who did not use words - ADOS Module 1		Children who used phrase speech - ADOS Module 2		Children and adolescents who were verbally fluent - ADOS Module 3
	Presentation in females a	Supported by dataset b	Presentation in females a	Supported by dataset b	Presentation in females a	Supported by dataset
Full scale IQ	Same ability	AGRE, ATN, SSC	Lower ability	ATN, SSC	Lower ability	SSC
Communication ability	Same ability	AGRE, ATN, SSC	Lower ability	ATN*, SSC	Same ability	AGRE, AC, ATN, SSC
Daily living skills	Same ability	AGRE, ATN, SSC	Lower ability	ATN*	Lower ability	SSC
Socialization skills	Same ability	AGRE, ATN, SSC	Lower ability	ATN, SSC	Higher ability	AGRE, AC*
Internalizing problems	Same impairment	AGRE, ATN, SSC	Same impairment	ATN, SSC	Lower impairment	AC
Externalizing problems	Same impairment	AGRE, ATN, SSC	Higher impairment	SSC	Higher impairment	ATN

AGRE – Autism Genetics Resource Exchange; AC – Autism Consortium; ATN – Autism Treatment Network; SSC – Simons Simplex Collection.

^aPresentation in females as compared to males.

^bThe AC dataset was not analyzed for module 1 or 2.

^*Survived false discovery rate adjustment