Table 1.

Schedule of assessments

Assessment	Baseline	3 months postpartum	12 months postpartum
Demographics: age, education, occupation, ethnicity	X
Smoking status: self-reported	X	X	X
Time since last smoking	X
Expired CO level in ppm	X	X	X
Use of iCO single-person use CO monitor outside of assessments: self-reported		X	X
Cigarette consumption before pregnancy	X
Self-efficacy for smoking cessation	X
Use of nicotine products	X	X	X
Smoking in the home	X	X	X
Partner smoking status	X	X	X
Use of additional smoking cessation support	X	X	X
Whether they have a significant other supporter (SOS)	X
Gestation	X
Parity	X
Breastfeeding intent	X
Depression (Edinburgh Postnatal Depression Scale)	X
Alcohol consumption: Alcohol Use Disorders Identification-Consumption (AUDIT-C) test	X
Expired CO level in ppm	X	X	X
Saliva for cotinine/anabasine test			X