. Author manuscript; available in PMC: 2015 Apr 1.

Published in final edited form as: J Immigr Minor Health. 2014 Apr;16(2):256–264. doi: 10.1007/s10903-012-9713-4

Table 2.

Baseline secondhand smoke measures

	Intervention participants		Control participants			All participants
Measure	N=118		N=124			N=242
	Response N	Median (Range)	Response N	Median (Range)	P-value^*	Response N	Median (Range)
Child’s urine cotinine (ng/mL)	72	0.80 (0.07-27.3)	74	0.65(0.1-33.2)	0.96	146	0.76 (0.07-33.2)
Air nicotine concentration (g/m³)	83	0.04 (0-9.6)	79	0.05 (0-12.7)	0.49	162	0.05 (0-12.7)
Hours of weekly household smoking	111	8.0 (0.25-132)	116	6.0 (0-128)	0.37	227	7 (0-132)
Hours of child’s weekly exposure to SHS	117	0.75 (0-83)	124	0.5 (0-100)	0.81	241	0.5 (0-100)
Number of household cigarettes smoked daily	114	6.8 (1-120)	117	10 (0-120)	0.25	231	8 (0-120)
		N (%)		N (%)			N (%)
Household smoking ban	116	53 (46%)	124	61 (49%)	0.30	240	114 (48%)

Differences between groups were assessed using the Wilcoxon rank sum test.

Differences from 0.5 were tested using two-sided t-test for household smoking bans in each intervention/control condition.