Table 2. Cluster-randomised trial adjustment details.

ICC	Trial ID	Timing	Timing code	Outcome description	Outcome code	Mean cluster size		No. of clusters		Sample size		Ceased smoking %		Continued smoking %		Ceased smoking n		Continued smoking n		ICC		Between cluster var	IF(int)	IF(comp)	Effective sample size, denominator		Effective sample size, continue			Effective sample size, ceased
						mi	mc	ci	cc	ni	nc	i%	c%	i%	c%	i	c	i	c	ri	rc	s^2c			ni	nc	i	c	OR	i	c	OR	RR
0.003
	Campbell 2006	2nd or subsequent visit	0		1	71.0	62.5	11	11	781	688	10.5	6.4	89.5	93.6	82	44	699	644	0.003	0.003		1.21	1.18	645	581	578	544	0.583	68	37	1.72	1.641
	Hajek 2001	Birth	0		1	5.9	6.7	92	86	545	575	22.0	20.0	78.0	80.0	120	115	425.1	460	0.003	0.003		1.01	1.017	537.1	565.4	419	452.3	0.886	118	113	1.13	1.1
	Haug 1994		0		1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.003	0.003		1.00	1.00	251	98	205	90	0.398	46	8	2.51	2.237
	Kendrick 1995	36/40 gest	0		1	27.8	36.8	32	32	888	1177	5.9	6.1	94.1	93.9	52	72	835.6	1105	0.003	0.003		1.08	1.11	822	1063	774	998	1.036	48	65	0.97	0.967
	Lawrence 2003	30 wk gest	0		1	17	8	23	41	324	289	5.6	1.73	94.44	98.27	18	5	306	284	0.003	0.003		1.05	1.02	309	283	292	278	0.299	17	5	3.34	3.211
	Lillington 1995	late preg	0		1	39.5	73.0	2	2	79	146	43.04	24.66	56.96	75.34	34	36	45	110	0.003	0.003		1.12	1.22	71	120	40	90	0.433	30	30	2.31	1.745
	McLeod 2004	36/40 gest	0		1	6.273	4.615	11	13	69	60	20.3	13.3	79.71	86.67	14	8	55	52				1.096	1.100	63	55	50	47	0.604	13	7	1.65
	McLeod 2004	36/40 gest	0		1	9	7.5	12	8	108	60	17.6	10.0	82.41	90	19	6	89	54				1.075	1.100	100	55	83	49	0.52	18	5	1.92
	McLeod 2004	36/40 gest	0		1	7.696	5.714	23	21	177	120	18.6	11.7	81.36	88.33	33	14	144	106				*	1.10	163	109	133	96	0.577	30	13	1.73
	Messimer 1989	32-36 weeks' gest	0		1	10.91	10.36	5.5	5.5	60	57	25.0	14.0	75	85.96	15	8	45	49	0.003	0.003		1.03	1.03	58	55	44	48	0.49	15	8	2.04	1.781
	Moore 2002	24-28/40 gest	0		1	10.59	11.83	64	64	678	757	16.7	19.0	83.33	80.98	113	144	565	613	0.031	0.031		1.30	1.34	523	567	435	459	1.175	87	108	0.85	0.876
	Pbert 2004	36/40 gest	0		1	63.67	100.5	3	2	191	201	20.0	11.0	80.0	89.0	38	22	152.8	178.9	0.003	0.003		1.19	1.30	161	155	129	138	0.493	32	17	2.03	1.822
0.05
	Campbell 2006	2nd or subsequent visit	0		1	71.0	62.5	11	11	781	688	10.5	6.4	89.5	93.6	82	44	699	644	0.050	0.050		4.50	4.08	174	169	155	158	0.583	18	11	1.72	1.641
	Hajek 2001	Birth	0		1	5.9	6.7	92	86	545	575	22.0	20.0	78.0	80.0	120	115	425.1	460	0.050	0.050		1.25	1.284	437.3	447.7	341	358.2	0.886	96	90	1.13	1.1
	Haug 1994		0		1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.050	0.050		1.05	1.03	240	95	196	87	0.398	44	8	2.51	2.237
	Kendrick 1995	36/40 gest	0		1	27.8	36.8	32	32	888	1177	5.9	6.1	94.1	93.9	52	72	835.6	1105	0.003	0.003		1.08	1.11	822	1063	774	998	1.036	48	65	0.97	0.967
	Lawrence 2003	30 wk gest	0		1	17	8	23	41	324	289	5.6	1.73	94.44	98.27	18	5	306	284	0.003	0.003		1.05	1.02	309	283	292	278	0.299	17	5	3.34	3.211
	Lillington 1995	late preg	0		1	39.5	73.0	2	2	79	146	43.04	24.66	56.96	75.34	34	36	45	110	0.050	0.050		2.93	4.60	27	32	15	24	0.433	12	8	2.31	1.745
	McLeod 2004	36/40 gest	0		1	6.273	4.615	11	13	69	60	20.3	13.3	79.71	86.67	14	8	55	52				1.096	1.100	63	55	50	47	0.604	13	7	1.65
	McLeod 2004	36/40 gest	0		1	9	7.5	12	8	108	60	17.6	10.0	82.41	90	19	6	89	54				1.075	1.100	100	55	83	49	0.52	18	5	1.92
	McLeod 2004	36/40 gest	0		1	7.696	5.714	23	21	177	120	18.6	11.7	81.36	88.33	33	14	144	106				*	1.10	163	109	133	96	0.577	30	13	1.73
	Messimer 1989	32-36 weeks' gest	0		1	10.91	10.36	5.5	5.5	60	57	25.0	14.0	75	85.96	15	8	45	49	0.050	0.050		1.50	1.47	40	39	30	33	0.49	10	5	2.04	1.781
	Moore 2002	24-28/40 gest	0		1	11	12	64	64	678	757	16.7	19.0	83.33	80.98	113	144	565	613	0.031	0.031		1.30	1.34	523	567	435	459	1.175	87	108	0.85	0.876
		36/40 gest	0		1	64	101	3	2	191	201	20.0	11.0	80.0	89.0	38	22	152.8	178.9	0.050	0.050		4.13	5.98	46	34	37	30	0.493	9	4	2.03	1.822
0.1
	Campbell 2006	2nd or subsequent visit	0		1	71	63	11	11	781	688	10.5	6.4	89.5	93.6	82	44	699	644	0.100	0.100		8.00	7.15	98	96	87	90	0.583	10	6	1.72	1.641
	Hajek 2001	Birth	0		1	6	7	92	86	545	575	22.0	20.0	78.0	80.0	120	115	425.1	460	0.100	0.100		1.49	1.569	365.2	366.6	285	293.3	0.886	80	73	1.13	1.1
	Haug 1994		0		1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.100	0.100		1.10	1.06	229	93	187	85	0.398	42	8	2.51	2.237
	Kendrick 1995	36/40 gest	0		1	28	37	32	32	888	1177	5.9	6.1	94.1	93.9	52	72	835.6	1105	0.003	0.003		1.08	1.11	822	1063	774	998	1.036	48	65	0.97	0.967
	Lawrence 2003	30 wk gest	0		1	17	8	23	41	324	289	5.6	1.73	94.44	98.27	18	5	306	284	0.003	0.003		1.05	1.02	309	283	292	278	0.299	17	5	3.34	3.211
	Lillington 1995	late preg	0		1	39.5	73.0	2	2	79	146	43.04	24.66	56.96	75.34	34	36	45	110	0.100	0.100		4.85	8.20	16	18	9	13	0.433	7	4	2.31	1.745
	McLeod 2004	36/40 gest	0		1	6.273	4.615	11	13	69	60	20.3	13.3	79.71	86.67	14	8	55	52				1.096	1.100	63	55	50	47	0.604	13	7	1.65
	McLeod 2004	36/40 gest	0		1	9	7.5	12	8	108	60	17.6	10.0	82.41	90	19	6	89	54				1.075	1.100	100	55	83	49	0.52	18	5	1.92
	McLeod 2004	36/40 gest	0		1	7.696	5.714	23	21	177	120	18.6	11.7	81.36	88.33	33	14	144	106				*	1.10	163	109	133	96	0.577	30	13	1.73
	Messimer 1989	32-36 weeks' gest	0		1	10.91	10.36	5.5	5.5	60	57	25.0	14.0	75	85.96	15	8	45	49	0.100	0.100		1.99	1.94	30	29	23	25	0.49	8	4	2.04	1.781
	Moore 2002	24-28/40 gest	0		1	11	12	64	64	678	757	16.7	19.0	83.33	80.98	113	144	565	613	0.031	0.031		1.30	1.34	523	567	435	459	1.175	87	108	0.85	0.876
	Pbert 2004	36/40 gest	0		1	64	101	3	2	191	201	20.0	11.0	80.0	89.0	38	22	152.8	178.9	0.100	0.100		7.27	10.95	26	18	21	16	0.493	5	2	2.03	1.822
0.2
	Campbell 2006	2nd or subsequent visit	0		1	71	63	11	11	781	688	10.5	6.4	89.5	93.6	82	44	699	644	0.200	0.200		15.00	13.31	52	52	47	48	0.583	5	3	1.72	1.641
	Hajek 2001	Birth	0		1	6	7	92	86	545	575	22.0	20.0	78.0	80.0	120	115	425.1	460	0.200	0.200		1.98	2.137	275	269	214	215	0.886	60	54	1.13	1.1
	Haug 1994		0		1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.200	0.200		1.20	1.12	210	88	172	81	0.398	38	7	2.51	2.237
	Kendrick 1995	36/40 gest	0		1	28	37	32	32	888	1177	5.9	6.1	94.1	93.9	52	72	835.6	1105	0.003	0.003		1.08	1.11	822	1063	774	998	1.036	48	65	0.97	0.967
	Lawrence 2003	30 wk gest	0		1	17	8	23	41	324	289	5.6	1.73	94.44	98.27	18	5	306	284	0.003	0.003		1.05	1.02	309	283	292	278	0.299	17	5	3.34	3.211
	Lillington 1995	late preg	0		1	39.5	73.0	2	2	79	146	43.04	24.66	56.96	75.34	34	36	45	110	0.200	0.200		8.70	15.40	9	9	5	7	0.433	4	2	2.31	1.745
	McLeod 2004	36/40 gest	0		1	6.273	4.615	11	13	69	60	20.3	13.3	79.71	86.67	14	8	55	52				1.096	1.100	63	55	50	47	0.604	13	7	1.65
	McLeod 2004	36/40 gest	0		1	9	7.5	12	8	108	60	17.6	10.0	82.41	90	19	6	89	54				1.075	1.100	100	55	83	49	0.52	18	5	1.92
	McLeod 2004	36/40 gest	0		1	7.696	5.714	23	21	177	120	18.6	11.7	81.36	88.33	33	14	144	106				*	1.10	163	109	133	96	0.577	30	13	1.73
	Messimer 1989	32-36 weeks' gest	0		1	10.91	10.36	5.5	5.5	60	57	25.0	14.0	75	85.96	15	8	45	49	0.200	0.200		2.98	2.87	20	20	15	17	0.49	5	3	2.04	1.781
	Moore 2002	24-28/40 gest	0		1	11	12	64	64	678	757	16.7	19.0	83.33	80.98	113	144	565	613	0.031	0.031		1.30	1.34	523	567	435	459	1.175	87	108	0.85	0.876
	Pbert 2004	36/40 gest	0		1	64	101	3	2	191	201	20.0	11.0	80.0	89.0	38	22	152.8	178.9	0.200	0.200		13.53	20.90	14	10	11	9	0.493	3	1	2.03	1.822
Key:	Outcome					Data given		Sensitivity analysis			From formula in Merlo												* wt'd ave of IF in 2 intv arms
	ADDITIONAL OUTCOMES found 21/11/08
	Eades 2012	late preg	0	continued smoking for spontaneous quitters in late pregnancy	2																				24	8	14	6
	Hajek 2001	late preg	0		2	1.2	1.6	92	86	114	135	22.0	20.0	64.9	53.3	40	63	74	72	0.003	0.003		1.00	1.002	113.9	134.8	74	71.88	1.619	40	63	0.62	0.752
	Lillington 1995	late preg	0		2	38	127.0	2	2	76	254	5.263	10.63	94.74	89.37	4	27	72	227	0.003	0.003		1.11	1.38	68	184	65	165	2.141	4	20	0.47	0.495
	Pbert 2004	late preg	0		2	27	39	3	2	81	77	70.4	77.9	29.6	22.1	57	60	24	17	0.003	0.003		1.08	1.11	75	69	22	15	1.486	53	54	0.67	0.903
	Polanska 2004	late preg	0		2	5.6	7.4	10	5	56	37	100	100	0	0	56	37	0	0	0.003	0.003		1.01	1.02	55	36	0	0	#####	55	36	#DIV/0!	1
	Haug 1994	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.003	0.003		1.00	1.00	251	98	205	90	0.398	46	8	2.51	2.237
	Lawrence 2003	10 days pp	1	10 days pp	1	17	8	23	41	324	289	8.0	3.5	92.0	96.5	26	10	298	279	0.003	0.003		1.05	1.02	309	283	284	273	0.411	25	10	2.43
	Lillington 1995	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	39.5	73.0	2	2	79	146	25.32	11.64	74.68	88.36	20	17	59	129	0.003	0.003		1.12	1.22	71	120	53	106	0.389	18	14	2.57	2.174
	McLeod 2004	4/12pp	1		1	8	6	23	21	177	120	15.8	10.8	84.2	89.2	28	13	149	107	0.003	0.003		1.02	1.01	174	118	146	106	0.647	27	13	1.55
	Messimer 1989	0-5 mo pp	1		1	10.91	10.36	5.5	5.5	60	57	8.3	10.5	91.67	89.47	5	6	55	51	0.003	0.003		1.03	1.03	58	55	53	50	1.294	5	6	0.77	0.792
	Pbert 2004	0-5 mo pp	1		1	64	101	3	2	191	201	4.2	3.0	95.8	97.0	8	6	183	195	0.003	0.003		1.19	1.30	161	155	154	150	0.704	7	5	1.42	1.403
	Polanska 2004	0-5 mo pp	1		1	14.9	28.8	10	5	149	144	44.3	16.7	55.7	83.3	66	24	82.99	120	0.003	0.003		1.04	1.08	143	133	80	111	0.252	63	22	3.97	2.653
	Hajek 2001	6 mo pp	2	maintained cessation at 6-11 mo pp	1	4.7	5.1	92	86	431	440	22.0	20.0	97.0	97.0	13	13	418	427	0.003	0.003		1.01	1.012	426.3	434.6	413	421.8	0.979	13	13	1.02	1.021
	Haug 1994	6-11 mo pp	2		1	2	2	125	62	252	98	18.25	8.16	84.52	88.78	39	11	213	87	0.003	0.003		1.00	1.00	251	98	212	87	0.691	39	11	1.45	1.379
	Pbert 2004	6-11 mo pp	2		1	64	101	3	2	191	201	4.7	2.5	95.3	97.5	9	5	182	196	0.003	0.003		1.19	1.30	161	155	153	151	0.516	8	4	1.94	1.894
	Haug 1994	12-17 mo pp	3	maintained cessation at 12-17 mo pp	1	2	2	125	62	252	98	18.25	8.16	85.32	92.86	37	7	215	91	0.003	0.003		1.00	1.00	251	98	214	91	0.447	37	7	2.24	2.056
	Polanska 2004	12-17 mo pp	3		1	20.5	36.2	10	5	205	181	31.7	12.7	68.29	87.29	65	23	140	158	0.003	0.003		1.06	1.11	194	164	132	143	0.314	61	21	3.19	2.495
	Lawrence 2003	18 mo pp	4	18 mo pp	1	17	8	23	41	324	289	4.6	2.4	95.4	97.6	15	7	309	282	0.003	0.003		1.05	1.02	309	283	295	276	0.511	14	7	1.96
0.05
	Eades 2012	late preg	0	continued smoking for spontaneous quitters in late pregnancy	2																				24	8	14	6
	Hajek 2001	late preg	0		2	1.2	1.6	92	86	114	135	22.0	20.0	64.9	53.3	40	63	74	72	0.050	0.050		1.01	1.028	112.7	131.3	73	70.01	1.619	40	61	0.62	0.752
	Lillington 1995	late preg	0		2	38	127.0	2	2	76	254	5.263	10.63	94.74	89.37	4	27	72	227	0.050	0.050		2.85	7.30	27	35	25	31	2.141	1	4	0.47	0.495
	Pbert 2004	late preg	0		2	27	39	3	2	81	77	70.4	77.9	29.6	22.1	57	60	24	17	0.050	0.050		2.30	2.88	35	27	10	6	1.486	25	21	0.67	0.903
	Polanska 2004	late preg	0		2	5.6	7.4	10	5	56	37	100	100	0	0	56	37	0	0	0.050	0.050		1.23	1.32	46	28	0	0	#####	46	28	#DIV/0!	1
	Haug 1994	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.050	0.050		1.05	1.03	240	95	196	87	0.398	44	8	2.51	2.237
	Lawrence 2003	10 days pp	1	10 days pp	1	17	8	23	41	324	289	8.0	3.5	92.0	96.5	26	10	298	279	0.003	0.003		1.05	1.02	309	283	284	273	0.411	25	10	2.43
	Lillington 1995	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	39.5	73.0	2	2	79	146	25.32	11.64	74.68	88.36	20	17	59	129	0.050	0.050		2.93	4.60	27	32	20	28	0.389	7	4	2.57	2.174
	McLeod 2004	4/12pp	1		1	8	6	23	21	177	120	15.8	10.8	84.2	89.2	28	13	149	107	0.050	0.050		1.33	1.24	133	97	112	87	0.647	21	11	1.55
	Messimer 1989	0-5 mo pp	1		1	10.91	10.36	5.5	5.5	60	57	8.3	10.5	91.67	89.47	5	6	55	51	0.050	0.050		1.50	1.47	40	39	37	35	1.294	3	4	0.77	0.792
	Pbert 2004	0-5 mo pp	1		1	64	101	3	2	191	201	4.2	3.0	95.8	97.0	8	6	183	195	0.050	0.050		4.13	5.98	46	34	44	33	0.704	2	1	1.42	1.403
	Polanska 2004	0-5 mo pp	1		1	15	29	10	5	149	144	44.3	16.7	55.7	83.3	66	24	82.99	120	0.050	0.050		1.70	2.39	88	60	49	50	0.252	39	10	3.97	2.653
	Hajek 2001	6 mo pp	2	maintained cessation at 6-11 mo pp	1	4.7	5.1	92	86	431	440	22.0	20.0	97.0	97.0	13	13	418	427	0.050	0.050		1.18	1.206	363.9	364.9	353	354.1	0.979	11	11	1.02	1.021
	Haug 1994	6-11 mo pp	2		1	2	2	125	62	252	98	18.25	8.16	84.52	88.78	39	11	213	87	0.050	0.050		1.05	1.03	240	95	203	85	0.691	37	11	1.45	1.379
	Pbert 2004	6-11 mo pp	2		1	64	101	3	2	191	201	4.7	2.5	95.3	97.5	9	5	182	196	0.050	0.050		4.13	5.98	46	34	44	33	0.516	2	1	1.94	1.894
	Haug 1994	12-17 mo pp	3	maintained cessation at 12-17 mo pp	1	2	2	125	62	252	98	18.25	8.16	85.32	92.86	37	7	215	91	0.050	0.050		1.05	1.03	240	95	205	88	0.447	35	7	2.24	2.056
	Polanska 2004	12-17 mo pp	3		1	20.5	36.2	10	5	205	181	31.7	12.7	68.29	87.29	65	23	140	158	0.050	0.050		1.98	2.76	104	66	71	57	0.314	33	8	3.19	2.495
	Lawrence 2003	18 mo pp	4	18 mo pp	1	17	8	23	41	324	289	4.6	2.4	95.4	97.6	15	7	309	282	0.003	0.003		1.05	1.02	309	283	295	276	0.511	14	7	1.96
0.1
	Eades 2012	late preg	0	continued smoking for spontaneous quitters in late pregnancy	2																				24	8	14	6
	Hajek 2001	late preg	0		2	1.2	1.6	92	86	114	135	22.0	20.0	64.9	53.3	40	63	74	72	0.100	0.100		1.02	1.057	111.3	127.7	72	68.12	1.619	39	60	0.62	0.752
	Lillington 1995	late preg	0		2	38	127.0	2	2	76	254	5.263	10.63	94.74	89.37	4	27	72	227	0.100	0.100		4.70	13.60	16	19	15	17	2.141	1	2	0.47	0.495
	Pbert 2004	late preg	0		2	27	39	3	2	81	77	70.4	77.9	29.6	22.1	57	60	24	17	0.100	0.100		3.60	4.75	23	16	7	4	1.486	16	13	0.67	0.903
	Polanska 2004	late preg	0		2	5.6	7.4	10	5	56	37	100	100	0	0	56	37	0	0	0.100	0.100		1.46	1.64	38	23	0	0	#####	38	23	#DIV/0!	1
	Haug 1994	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.100	0.100		1.10	1.06	229	93	187	85	0.398	42	8	2.51	2.237
	Lawrence 2003	10 days pp	1	10 days pp	1	17	8	23	41	324	289	8.0	3.5	92.0	96.5	26	10	298	279	0.003	0.003		1.05	1.02	309	283	284	273	0.411	25	10	2.43
	Lillington 1995	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	39.5	73.0	2	2	79	146	25.32	11.64	74.68	88.36	20	17	59	129	0.100	0.100		4.85	8.20	16	18	12	16	0.389	4	2	2.57	2.174
	McLeod 2004	4/12pp	1		1	8	6	23	21	177	120	15.8	10.8	84.2	89.2	28	13	149	107	0.100	0.100		1.67	1.47	106	82	89	73	0.647	17	9	1.55
	Messimer 1989	0-5 mo pp	1		1	10.91	10.36	5.5	5.5	60	57	8.3	10.5	91.67	89.47	5	6	55	51	0.100	0.100		1.99	1.94	30	29	28	26	1.294	3	3	0.77	0.792
	Pbert 2004	0-5 mo pp	1		1	64	101	3	2	191	201	4.2	3.0	95.8	97.0	8	6	183	195	0.100	0.100		7.27	10.95	26	18	25	18	0.704	1	1	1.42	1.403
	Polanska 2004	0-5 mo pp	1		1	15	29	10	5	149	144	44.3	16.7	55.7	83.3	66	24	82.99	120	0.100	0.100		2.39	3.78	62	38	35	32	0.252	28	6	3.97	2.653
	Hajek 2001	6 mo pp	2	maintained cessation at 6-11 mo pp	1	4.7	5.1	92	86	431	440	22.0	20.0	97.0	97.0	13	13	418	427	0.100	0.100		1.37	1.412	314.9	311.7	305	302.5	0.979	9	9	1.02	1.021
	Haug 1994	6-11 mo pp	2		1	2	2	125	62	252	98	18.25	8.16	84.52	88.78	39	11	213	87	0.100	0.100		1.10	1.06	229	93	194	82	0.691	35	10	1.45	1.379
	Pbert 2004	6-11 mo pp	2		1	64	101	3	2	191	201	4.7	2.5	95.3	97.5	9	5	182	196	0.100	0.100		7.27	10.95	26	18	25	18	0.516	1	0	1.94	1.894
	Haug 1994	12-17 mo pp	3	maintained cessation at 12-17 mo pp	1	2	2	125	62	252	98	18.25	8.16	85.32	92.86	37	7	215	91	0.100	0.100		1.10	1.06	229	93	195	86	0.447	34	7	2.24	2.056
	Polanska 2004	12-17 mo pp	3		1	20.5	36.2	10	5	205	181	31.7	12.7	68.29	87.29	65	23	140	158	0.100	0.100		2.95	4.52	69	40	47	35	0.314	22	5	3.19	2.495
	Lawrence 2003	18 mo pp	4	18 mo pp	1	17	8	23	41	324	289	4.6	2.4	95.4	97.6	15	7	309	282	0.003	0.003		1.05	1.02	309	283	295	276	0.511	14	7	1.96
0.2
	Eades 2012	late preg	0	continued smoking for spontaneous quitters in late pregnancy	2																				24	8	14	6
	Hajek 2001	late preg	0		2	1.2	1.6	92	86	114	135	22.0	20.0	64.9	53.3	40	63	74	72	0.200	0.200		1.05	1.114	108.8	121.2	71	64.63	1.619	38	57	0.62	0.752
	Lillington 1995	late preg	0		2	38	127.0	2	2	76	254	5.263	10.63	94.74	89.37	4	27	72	227	0.200	0.200		8.40	26.20	9	10	9	9	2.141	0	1	0.47	0.495
	Pbert 2004	late preg	0		2	27	39	3	2	81	77	70.4	77.9	29.6	22.1	57	60	24	17	0.200	0.200		6.20	8.50	13	9	4	2	1.486	9	7	0.67	0.903
	Polanska 2004	late preg	0		2	5.6	7.4	10	5	56	37	100	100	0	0	56	37	0	0	0.200	0.200		1.92	2.28	29	16	0	0	#####	29	16	#DIV/0!	1
	Haug 1994	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	2	2	125	62	252	98	18.25	8.16	81.75	91.84	46	8	206	90	0.200	0.200		1.20	1.12	210	88	172	81	0.398	38	7	2.51	2.237
	Lawrence 2003	10 days pp	1	10 days pp	1	17	8	23	41	324	289	8.0	3.5	92.0	96.5	26	10	298	279	0.003	0.003		1.05	1.02	309	283	284	273	0.411	25	10	2.43
	Lillington 1995	0-5 mo pp	1	maintained cessation at 0-5 mo pp	1	39.5	73.0	2	2	79	146	25.32	11.64	74.68	88.36	20	17	59	129	0.200	0.200		8.70	15.40	9	9	7	8	0.389	2	1	2.57	2.174
	McLeod 2004	4/12pp	1		1	8	6	23	21	177	120	15.8	10.8	84.2	89.2	28	13	149	107	0.200	0.200		2.34	1.94	76	62	64	55	0.647	12	7	1.55
	Messimer 1989	0-5 mo pp	1		1	10.91	10.36	5.5	5.5	60	57	8.3	10.5	91.67	89.47	5	6	55	51	0.200	0.200		2.98	2.87	20	20	18	18	1.294	2	2	0.77	0.792
	Pbert 2004	0-5 mo pp	1		1	64	101	3	2	191	201	4.2	3.0	95.8	97.0	8	6	183	195	0.200	0.200		13.53	20.90	14	10	14	9	0.704	1	0	1.42	1.403
	Polanska 2004	0-5 mo pp	1		1	15	29	10	5	149	144	44.3	16.7	55.7	83.3	66	24	82.99	120	0.200	0.200		3.78	6.56	39	22	22	18	0.252	17	4	3.97	2.653
	Hajek 2001	6 mo pp	2	maintained cessation at 6-11 mo pp	1	4.7	5.1	92	86	431	440	22.0	20.0	97.0	97.0	13	13	418	427	0.200	0.200		1.74	1.823	248.1	241.3	241	234.2	0.979	7	7	1.02	1.021
	Haug 1994	6-11 mo pp	2		1	2	2	125	62	252	98	18.25	8.16	84.52	88.78	39	11	213	87	0.200	0.200		1.20	1.12	210	88	178	78	0.691	33	10	1.45	1.379
	Pbert 2004	6-11 mo pp	2		1	64	101	3	2	191	201	4.7	2.5	95.3	97.5	9	5	182	196	0.200	0.200		13.53	20.90	14	10	13	9	0.516	1	0	1.94	1.894
	Haug 1994	12-17 mo pp	3	maintained cessation at 12-17 mo pp	1	2	2	125	62	252	98	18.25	8.16	85.32	92.86	37	7	215	91	0.200	0.200		1.20	1.12	210	88	179	82	0.447	31	6	2.24	2.056
	Polanska 2004	12-17 mo pp	3		1	20.5	36.2	10	5	205	181	31.7	12.7	68.29	87.29	65	23	140	158	0.200	0.200		4.90	8.04	42	23	29	20	0.314	13	3	3.19	2.495
	Lawrence 2003	18 mo pp	4	18 mo pp	1	17	8	23	41	324	289	4.6	2.4	95.4	97.6	15	7	309	282	0.003	0.003		1.05	1.02	309	283	295	276	0.511	14	7	1.96
Key:	Outcome					Data given		Sensitivity analysis			From formula in Merlo

Timing codes:

0. Late pregnancy

1. 0-5 mo pp

2. 6-11 mo pp

3. 12-17 mo pp

4. 18 mo pp

Outcome codes:

1. abstinence

2. relapse prevention for spontaneous quitters