Table 4 Logistic regression on intention to smoke cigarettes- adjusted for clustering within school
Unadjusted model | Adjusted model 1 | Adjusted model 2 recoded e-cig variable | Adjusted model 3 imputed model m = 20 | |
|---|---|---|---|---|
OR (99 % CI) | OR (99 % CI) | OR (99 % CI) | OR (99 % CI) | |
n = 2824 | n = 3363 | n = 3808 | ||
Recall tobacco supermarket | 1.79 (1.05 to 3.06) | 0.92 (0.64 to 1.32) | 0.95 (0.60 to 1.51) | 0.97 (0.56 to 1.70) |
Recall tobacco small shop | 2.74 (1.81 to 4.16) | 1.96 (1.45 to 2.65) | 2.19 (1.48 to 3.23) | 1.98 (1.17 to 3.35) |
Recall internet tobacco ads | 1.53 (1.41 to 1.67) | 1.14 (1.02 to 1.28) | 1.14 (0.95 to 1.36) | 1.19 (0.92 to 1.53) |
Never smoked tobacco | 0.06 (0.03 to 0.09) | 0.05 (0.03 to 0.09) | 0.05 (0.03 to 0.08) | |
Tried an e-cigarette | 3.22 (1.74 to 5.95) | 3.12 (1.66 to 5.89) | 3.08 (1.79 to 5.29) | |
Gender- male | 0.88 (0.62 to 1.24) | 0.94 (0.72 to 1.22) | 0.99 (0.75 to 1.33) | |
Ethnic group-non-white | 0.76 (0.36 to 1.61) | 0.76 (0.52 to 1.10) | 0.85 (0.47 to 1.53) | |
Age | 1.23 (1.00 to 1.52) | 1.23 (1.04 to 1.46) | 1.24 (1.07 to 1.43) | |
FAS low | 1 | 1 | 1 | |
FAS medium | 1.46 (0.95 to 2.24) | 1.39 (0.85 to 2.27) | 1.44 (1.01 to 2.04) | |
FAS high | 1.72 (0.97 to 3.05) | 1.72 (0.92 to 3.24) | 1.81 (1.03 to 3.18) |