Regression model | No smoking | C-cigarette only | E-cigarette only | Dual use | p for trend | |||
---|---|---|---|---|---|---|---|---|
OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |||
Model 1 | Reference | 1.38 (1.17,1.63) | < 0.001 | 0.84 (0.52,1.37) | 0.48 | 1.78 (1.37,2.32) | < 0.01 | < 0.01 |
Model 2 | Reference | 1.41 (1.19,1.67) | < 0.001 | 0.99 (0.60,1.66) | 0.98 | 1.93 (1.49,2.50) | < 0.01 | < 0.01 |
Model 3 | Reference | 1.52 (1.29,1.77) | < 0.001 | 1.01 (0.62,1.66) | 0.95 | 2.00 (1.52,2.63) | < 0.01 | < 0.01 |
Model 4 | Reference | 1.40 (1.18,1.67) | < 0.001 | 1.14 (0.65,1.99) | 0.63 | 1.94 (1.40,2.69) | < 0.01 | < 0.01 |