Table 4. GEE Model of predictive factors of continued e-cigarette use.

	Coefficient	OR (95% CI)	Significance
Female	-.96	.38 (0.16–0.94)	.04*
Socioeconomically disadvantaged school	-.28	.76 (0.32–1.82)	.54
Born in Eastern Europe	.51	1.67 (0.51–5.45)	.40
Born Elsewhere	.83	2.28 (0.69–7.60)	.18
‘Ever’ Tobacco User	-.40	.96 (0.18–5.14)	.96
Current Tobacco User	.42	1.53 (0.30–1.82)	.61

Comparison groups are: Male, Non disadvantaged school, born in Ireland/UK, Smoker in Family, non-tobacco user

*Statistically significant at p<.05