Association between cigar use, with and without cigarettes, and incident diagnosed COPD: a longitudinal cohort study

Table 2 Tobacco-related variables by established cigar/cigarette use at baseline, PATH Study (Wave 1, 2013–2014)

	Exclusive Cigarettes (n = 3173)		Exclusive Cigars (n = 134)		Dual Cigars/Cigarettes (n = 184)		Sign
	%^a	95% CI	%^a	95% CI	%^a	95% CI	P^b
Tobacco Variables
ENDS^c use	6.2	(92.7, 94.7)	6.4	(3.1, 12.8)	8.1	(4.7, 13.6)	NS
’Other’ combustible tobacco product used^d	0.7	(0.44, 1.1)	9.1	(5.0, 16.0)	9.6	(6.1, 14.9)	***
Past 7 day second hand smoke exposure (mean, sd)	15.9 (37.0)		10.7 (29.5)		20.6 (43.5)		***
Cigarette pack years among currently/formerly smoking (mean, sd)	25.5 (32.8)		9.5 (21.0)		30.5 (37.6)		***
Cigar Type
Traditional Cigars	---	---	54.7	(46.2, 62.9)	36.4	(29.7, 43.8)	**
Filtered Cigars	---	---	27.4	(20.0, 36.4)	55.9	(47.9, 63.6)	***
Cigarillos	---	---	48.5	(39.1, 58.0)	44.8	(38.1, 51.8)	NS
Poly cigar types used	---	---	27.3	(20.0, 36.1)	29.7	(22.7, 37.8)	NS

^a percentages were calculated using Wave 1 weights
^b Indicates statistical significance; NS = not statisticallly significant, *p < 0.05, **p < 0.01, ***p < 0.001
^c ENDS = electronic nicotine delivery systems
^d ‘Other’ combustible tobacco product use consisted of pipe and hookah use

ISSN: 1465-993X