Table 1.

Schedule and content of assessments for ESF participants (pregnant women (PW) and significant others (SOs))

Study Contact point	T0		T1		T2		T3		T4
Timing	Baseline		2 weeks		4 weeks		12 weeksa		1 month postpartumb
	PW	SOs	PW	SOs	PW	SOs	PW	SOs	PW	SOs
Sociodemographics	x	x
Smoking history	x	x
Smoking behaviours	x	x	x	x	x	x	x	x	x	x
Quit attempts	x	x	x	x	x	x	x	x	x	x
Carbon monoxide	x	x	x	x	x	x	x	x	x	x
Hooked on Nicotine Checklist (HONC)	x	x			x	x			x	x
Depression (aPHQ-9)	x	x			x	x			x	X

^aparticipants entering the study late in gestation (28 weeks or more) who had birthed their babies before the three month assessment did not complete this assessment

^bThe one month postpartum assessment was completed by those who had reached this milestone within the study data collection timeframe