Lynagh 2012.

Trial name or title	ENtiCe Project ‐ Encouragement for Nicotine Cessation in pregnant smokers
Methods	3‐armed randomised trial (smaller incentives, larger incentives, control (no incentive)); non‐concealed allocation, randomising by day and antenatal session. No blinding
Participants	90 pregnant women who smoke, aged 16+, < 31 weeks gestation
Interventions	1; Small (AUD 20) incentives; 2. Large (AUD 40) incentives; 3. (Control) usual care. Incentive starts at AUD 20/AUD 40, and increases by AUD 20/AUD 40 for every consecutive abstinent check. Up to AUD 720/AUD 1440 available if quit throughout programme
Outcomes	Primary: Consenting to participate; acceptance of cash incentives; 7‐day PPA, self‐reported and cotinine‐verified, over 8 routine a/n sessions (10 weeks) Secondary: abstinence confirmed by cotinine content of hair.
Starting date	Registered April 2012
Contact information	Dr Marita Lynagh (marita.lynagh@newcastle.edu.au)
Notes	Pregnancy trial ACTRN12612000399897