. Author manuscript; available in PMC: 2014 Jul 1.

Published in final edited form as: Matern Child Health J. 2013 Jul;17(5):897–906. doi: 10.1007/s10995-012-1069-9

Table 3.

Final analyses: salivary cotinine distributions by group and visit

Visit	Group	n	Cotinine (%)				p value^a
			<50 ng/ml	50–99 ng/ml	100–199 ng/ml	200 + ng/ml
1	1. NRT	26	19.2	23.1	23.1	34.6	1.00
	2. Behavioral intervention	26	19.2	19.2	23.1	38.5
2	1. NRT	25	32.0	8.0	28.0	32.0	1.00
	2. Behavioral intervention	26	31.0	11.5	23.1	34.6
3	1. NRT	21	23.8	33.3	9.5	33.3	0.45
	2. Behavioral intervention	24	37.5	20.8	20.8	20.8
4	1. NRT	20	40.0	10.0	25.0	25.0	0.77
	2. Behavioral intervention	24	33.0	4.2	25.0	37.5
5	1. NRT	13	23.1	46.2	15.4	15.4	0.57
	2. Behavioral intervention	19	36.8	21.0	15.8	26.3
6	1. NRT	7	71.4	14.3	14.3	0.0	0.65
	2. Behavioral intervention	11	45.4	9.1	27.3	18.2

Difference between groups by Fisher exact test