Table A1.

The sets of control variables based on a threshold of 0.05 for the p-values.

	ASQI Com	ASQI FM	ASQI GM	ASQI PSOC	ASQI PSOL
BCD		UCS
BMN		BCD, UBA		SCU	USB
BPB		BCD, UCS, UTAS, Mother’s education	USR		USR, UTAS
BSE		BCD, UBA, UCS
SCU
SZN		UBA		SCU
UBA		UTAS	USR		USB, USR, UTAS
UCO	UTU	BCD, UBA, UCS, UTAS	USR		USR, UTAS, UTU
UCS		BCD, UTAS	USR		USR, UTAS
UIO	UTU	UBA, UCS, UTAS	USR		USB, USR, UTAS, UTU
UMO	UTU	UBA, UCS, UTAS	USR		USB, USR, UTAS, UTU
USB		UBA, UTAS	USR		USR, UTAS
USN		UCS, UTAS			UTAS
USR	UTU	UBA, UCS, UTAS			USB, UTAS, UTU
UTAS	UTU	UBA, UCS	USR		USB, USR, UTU
UTL		UCS, UTAS	USR		USR, UTAS
UTU		UTAS	USR		USR, UTAS
UUR		UCS, UTAS	USR		USR, UTAS