Associations between e-cigarette access and smoking and drinking behaviours in teenagers

BMC Public Health

Table 2 Associations between e-cigarette involvement, demographics, and smoking and drinking behaviours in regular smokers

		Sample distribution		Accessed e-cigarettes
		%	n	%	P^a	AOR (95% CIs)^b	P
Gender	(Ref) Female	54.3	797	70.5
	Male	45.7	672	76.2	0.015	1.36 (1.04-1.80)	0.027
Age	(Ref) 14	15.9	234	63.7			0.003
	15	40.9	601	72.5		1.65 (1.12-2.41)	0.011
	16	38.5	565	77.0		2.10 (1.42-3.11)	<0.001
	17	4.7	69	78.3	0.001	2.21 (0.95-5.13)	0.066
Deprivation quintile	(least deprived; Ref) 1	7.4	109	71.6
	2	10.7	157	71.3
	3	15.8	232	76.3
	4	22.0	323	73.1
	(most deprived) 5	44.1	648	72.7	0.802		ns
Smoking status	(Ref) Light smoker	31.1	457	67.2
	Heavy smoker	68.9	1012	75.8	0.001	1.56 (1.19-2.06)	0.001
Smoked < age 13	(Ref) No	63.1	806	74.2
	Yes	36.9	472	74.4	0.946
Parents/guardians smoke	(Ref) No	31.7	456	66.9
	Yes	68.3	983	75.8	<0.001	1.48 (1.12-1.96)	0.007
Conventional cigarette access methods^c
Get from parents	(Ref) No	73.0	1006	72.1
Get from parents	Yes	27.0	372	77.7	0.036		ns
Get from friends/family under 18	(Ref) No	78.8	1086	74.2
Get from friends/family under 18	Yes	21.2	292	71.2	0.304		ns
Get from friends/family over 18	(Ref) No	62.4	860	71.3
Get from friends/family over 18	Yes	37.6	518	77.4	0.012	1.37 (1.03-1.82)	0.028
Buy from shops	(Ref) No	43.7	602	72.3
Buy from shops	Yes	56.3	776	74.6	0.326		ns
Buy from street sellers etc*	(Ref) No	79.8	1099	73.5
Buy from street sellers etc*	Yes	20.2	279	73.8	0.915		ns
Drinking status	(Ref) non-drinker	7.3	105	79.0
	Occasional moderate	3.0	44	65.9
	Regular moderate	0.7	10	70.0
	Occasional, binge	37.2	539	73.1
	Regular, binge	51.8	749	72.8	0.535		ns

^aChi squared analysis; ^bBackward conditional logistic regression including all variables shown, included sample n = 1,185. ^cStudents were instructed to tick all that applied. AOR = adjusted odds ratio; CIs = confidence intervals; Ref = reference category; ns = not significant.
*Buy from street sellers/neighbours/private house/vans.

ISSN: 1471-2458