Skip to main content

Table 3 Logistic regression on intention to try e-cigarettes in next 6 months - adjusted for clustering within school

From: Relationship between e-cigarette point of sale recall and e-cigarette use in secondary school children: a cross-sectional study

  Unadjusted model Adjusted model 1 Adjusted model 2 recoded e-cig variable Adjusted model 3 fully imputed m = 20
OR (99 % CI) OR (99 % CI) OR (99 % CI) OR (99 % CI)
n = 2819 n = 3370 n = 3808
Recall e-cig supermarket 3.60 (3.03 to 4.27) 1.59 (1.17 to 2.17) 1.60 (1.18 to 2.18) 1.70 (1.22 to 2.36)
Recall e-cig small shop 3.93 (2.76 to 5.60) 1.87 (1.04 to 3.35) 1.88 (1.04 to 3.38) 1.80 (1.08 to 2.99)
Recall internet e-cig ads 2.38 (1.51 to 3.76) 1.39 (0.78 to 2.49) 1.44 (0.83 to 2.50) 1.50 (0.77 to 2.95)
Recall other e-cig ads 2.01 (1.87 to 2.17) 1.28 (0.76 to 2.17) 1.31 (0.77 to 2.24) 1.24 (0.74 to 2.09)
Never smoked tobacco   0.32 (0.27 to 0.39) 0.33 (0.27 to 0.39) 0.32 (0.24 to 0.43)
Tried e-cigarette   16.60 (13.09 to 21.04) 20.01 (15.34 to 26.11) 19.91 (13.76 to 28.80)
Gender- male   1.59 (0.68 to 3.72) 1.56 (0.66 to 3.72) 1.56 (0.73 to 3.33)
Ethnic group-non-white   1.39 (0.90 to 2.14) 1.33 (0.85 to 2.08) 1.24 (0.69 to 2.22)
Age   1.16 (1.00 to 1.33) 1.16 (1.01 to 1.33) 1.16 (1.07 to 1.27)
FAS low   1 1 1
FAS medium   1.16 (0.82 to 1.63) 1.16 (0.82 to 1.64) 1.14 (0.79 to 1.63)
FAS high   1.56 (1.05 to 2.31) 1.58 (1.07 to 2.33) 1.50 (1.05 to 2.13)
  1. Bold p < 0.01
  2. Hosmer-Lemeshow chi square goodness of fit model 1 chi square = 8.63, p = 0.37, model 2 chi square- = 3.45, p = 0.90