Associations between vaping and relapse to smoking: preliminary findings from a longitudinal survey in the UK

Table 3 Aim 1: Association between wave 4 vaping status, socio-demographics, use of NRT and relapse to smoking during follow-up, n = 374

Wave 4 characteristic		% relapsed	Unadjusted (bivariate) analysis				Adjusted (multivariable) analysis
Wave 4 characteristic		% relapsed	OR	95% CI		p value	OR	95% CI		p value
Vaping status	Daily use	34.5	0.94	0.56	1.58	0.82	1.07	0.61	1.89	0.80
	Non-daily use	65.0	3.32	1.23	8.96	0.018	2.45	0.85	7.08	0.098
	Past/ever use	45.9	1.52	0.88	2.62	0.14	1.13	0.61	2.07	0.70
	Never (ref)	35.9	1	1	1	Ref	1	1	1	Ref
Gender	Male	38.9	0.94	0.62	1.43	0.80	0.94	0.60	1.49	0.80
Gender	Female (ref)	40.4	1	1	1	Ref	1	1	1	Ref
Age	Per year increase	-	0.97	0.96	0.98	< 0.001	0.98	0.96	0.99	0.002
Income	Not disclosed, low, moderate	36.6	0.74	0.49	1.13	0.17	0.87	0.55	1.39	0.31
Income	High (ref)	43.7	1	1	1	Ref	1	1	1	Ref
NRT use	Yes	43.7	1.98	1.07	3.64	0.029	1.42	0.72	2.78	0.31
NRT use	No (ref)	36.6	1	1	1	Ref	1	1	1	Ref
Time quit smoking	2 to 12 months	61.4	4.42	2.82	6.91	< 0.001	3.95	2.48	6.29	< 0.001
Time quit smoking	> 12 months (ref)	26.5	1	1	1	Ref	1	1	1	Ref

ISSN: 1477-7517