Table 1

Referrals of pregnant smokers received by stop smoking services and outcomes before and after implementation of the ‘opt-out’ referral pathway

	Before: May–October 2012			After: May–October 2013			Difference in proportions (95% CI), (p value)
	N	Per cent	95% CI	N	Per cent	95% CI	Difference in proportions (95% CI), (p value)
Women receiving antenatal care	2287			2293			NA
Referrals received by stop smoking services	290	12.7	11.4 to 14.1	421	18.4	16.8 to 20.0	5.7 (3.6 to 7.8)†
Women who set a quit date	57	2.5	1.9 to 3.2	121	5.3	4.4 to 6.3	2.8 (1.7 to 3.9)†
Women who reported stopping smoking 4 weeks after the quit date	46	2.0	1.5 to 2.7	93	4.1	3.3 to 4.9	2.1 (1.1 to 3.1)†