. 2014 Sep 24;16(9):e218. doi: 10.2196/jmir.3536

Table 3.

Results of NRT, breathing difficulties, physical activity, weight, and number of smoked cigarettes per day (complete-case analysis).

			Intervention			Usual care
			n	mean	SD	n	mean	SD	Δ mean	P
Use of NRT
	Baseline		4			3				.462^a
		Nicotine patch	3			2				.651^a
		Nicotine gum	1			1				1.0^a
	After 12 weeks		4			4				.723^a
		Nicotine patch	0			2				.511^a
		Nicotine gum	4			1				.167^a
Intake of varenicline
	Baseline		1			1				1.0^a
	After 12 weeks		1			3				.640^a
Breathing difficulties: (scale from 0 to 4)
	Baseline		51	1.0	1.2	70	1.0	1.0	0	.980^b
	After 12 weeks		51	0.69	0.99	69	0.75	1.0	0.06	.704^b
Physical activity: (scale from 0 to 4)
	Baseline		51	1.4	1.0	70	1.4	1.0	0	.513^b
	After 12 weeks		51	1.25	1.25	70	1.44	1.1	0.19	.231^b
Weight, kg
	Baseline		51	74.4	16.3	70	78.7	17.3	4.3	.169^b
	After 12 weeks		48	74.8	17.2	67	80.1	17.2	5.3	.107^b
Number of smoked cigarettes per day
	Baseline		51	19.5	7.0	70	16.7	8.9	2.8	.063^b
	After 12 weeks		51	10.2	7.7	69	10.2	8.3	-0.02	.989^b
	Difference		51	-9.3	7.1	69	-6.6	7.3	2.7	.045^b

^a P values from Fisher’s exact test.

^b P value from Student t test.