Table 1.

Between-group differences in the primary outcome (minimum of 7-day point prevalence abstinence (PPA) at 6 months) in the intention-to-treat (ITT), per-protocol (PP) and as-treated (AT) analyses

ITT population
	Total n=2806		e-TIS n=1400 (49.9%)		Control n=1406 (50.1%)		P value*
	n	%	n	%	n	%
Minimum of 7-day PPA at 6 months (n=1120)†							0.4593
Smokers	752	67.1	342	66	410	68.1
Quitters	368	32.9	176	34	192	31.9
Minimum of 7-day PPA at 6 months (n=2806)‡							0.3949
Smokers	2438	86.9	1224	87.4	1214	86.3
Quitters	368	13.1	176	12.6	192	13.7

PP population
	Total n=1914		e-TIS n=787 (41.1%)		Control n=1127 (58.9%)		P value*
	n	%	n	%	n	%
Minimum of 7-day PPA at 6 months (n=759)†							0.2196
Smokers	513	67.6	191	65	322	69.2
Quitters	246	32.4	103	35	143	30.8
Minimum of 7-day PPA at 6 months (n=1914)‡							0.7974
Smokers	1668	87.1	684	86.9	984	87.3
Quitters	246	12.9	103	13.1	143	12.7

AT population
	Total n=2806		e-TIS n=1066 (38.0%)		Non-exposure to e-TIS n=1740 (62.0%)		P value*
	n	%	n	%	n	%
Minimum of 7-day PPA at 6 months (n=1120)†							0.1745
Smokers	752	67.1	279	64.7	473	68.7
Quitters	368	32.9	152	35.3	216	31.3
Minimum of 7-day PPA at 6 months (n=2806)‡							0.1599
Smokers	2438	86.9	914	85.7	1524	87.6
Quitters	368	13.1	152	14.3	216	12.4

*χ² test.

†Only respondents considered.

‡Non-respondents considered as smokers.

e-TIS, e-intervention Tabac Info Service.