| % relapsed | Unadjusted (bivariate) analysis | Adjusted (multivariable) analysis | |||||||
---|---|---|---|---|---|---|---|---|---|---|
 | OR | 95% CI | p value | OR | 95% CI | p value | ||||
Vaping status | Non-daily use | 65.0 | 3.52 | 1.32 | 9.41 | 0.012 | 3.88 | 1.10 | 13.62 | 0.035 |
Daily use (ref) | 34.5 | 1 | 1 | 1 | Ref | 1 | 1 | 1 | Ref | |
Device type | Disposable, cartridges, unknown | 41.9 | 3.09 | 1.11 | 8.57 | 0.031 | 2.83 | 0.90 | 8.95 | 0.076 |
Tanks | 45.6 | 3.59 | 1.41 | 9.13 | 0.007 | 3.63 | 1.33 | 9.95 | 0.012 | |
Modular (ref) | 18.9 | 1 | 1 | 1 | Ref | 1 | 1 | 1 | Ref | |
Nicotine strength | None, unknown | 36.4 | 1.32 | 0.53 | 3.32 | 0.55 | 0.54 | 0.17 | 1.74 | 0.30 |
1 to 14 mg/ml | 45.2 | 1.91 | 0.91 | 4.02 | 0.090 | 1.51 | 0.66 | 3.44 | 0.33 | |
15 mg/ml and over (ref) | 30.2 | 1 | 1 | 1 | Ref | 1 | 1 | 1 | Ref | |
NRT use | Yes | 50.0 | 1.71 | 0.64 | 4.58 | 0.29 | 1.25 | 0.41 | 3.80 | 0.70 |
No (ref) | 36.9 | 1 | 1 | 1 | Ref | 1 | 1 | 1 | Ref | |
Time quit smoking | 2 to 12 months | 64.0 | 4.90 | 2.39 | 10.04 | < 0.001 | 4.62 | 2.11 | 10.09 | < 0.001 |
> 12 months (ref) | 26.6 | 1 | 1 | 1 | Ref | 1 | 1 | 1 | Ref | |
Gender | Male | 38.2 | 0.99 | 0.52 | 1.87 | 0.96 | Â | Â | Â | Â |
Female (ref) | 38.6 | 1 | 1 | 1 | Ref | Â | Â | Â | Â | |
Age | Per year increase | 41.7 | 0.98 | 0.96 | 1.00 | 0.068 | Â | Â | Â | Â |
Income | Not disclosed, low, moderate | 35.1 | 0.70 | 0.36 | 1.34 | 0.28 | Â | Â | Â | Â |
High (ref) | 43.5 | 1 | 1 | 1 | Ref | Â | Â | Â | Â |