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Table 3 Odds ratios and 95% confidence intervals from multivariable logistic regression analyses of associations between exposure to tobacco and e-cigarettes and perceived smoking norms

From: Changes in childhood experimentation with, and exposure to, tobacco and e-cigarettes and perceived smoking norms: a repeated cross-sectional study of 10–11 year olds’ in Wales

 

Most adults smoke (n = 3008)

More than hardly any children smoke (N = 2956)

Mind people smoking around me (n = 2982)

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

Parent figures smoke

1.92 (1.61 to 2.30)

< 0.001

1.13 (0.94 to 1.36)

0.209

0.58 (0.44 to 0.77)

< 0.001

Parent figures use e-cigarettes

1.15 (0.91 to 1.45)

0.249

1.00 (0.77 to 1.29)

0.979

0.94 (0.70 to 1.25)

0.661

The number of locations exposed to tobacco use

0

1.00

1.00

1.00

1

1.39 (1.07 to 1.80)

0.015

1.20 (0.92 to 1.55)

0.172

0.86 (0.62 to 1.18)

0.350

2

2.09 (1.55 to 2.81)

< 0.001

1.57 (1.17 to 2.09)

0.003

0.59 (0.43 to 0.81)

0.001

3

2.71 (1.91 to 3.86)

< 0.001

2.47 (1.70 to 3.57)

< 0.001

0.39 (0.26 to 0.58)

< 0.001

Wald chi-square

16.07

< 0.001

9.74

< 0.001

9.18

< 0.001

The number of locations exposed to e-cigarettes

0

1.00

1.00

1.00

1

1.16 (0.92 to 1.46)

0.119

1.28 (1.05 to 1.55)

0.013

1.19 (0.89 to 1.60)

0.241

2

1.04 (0.74 to 1.46)

0.806

1.62 (1.11 to 2.36)

0.013

0.74 (0.53 to 1.02)

0.067

3

1.24 (0.85 to 1.80)

0.256

1.44 (0.93 to 2.24)

0.101

0.86 (0.54 to 1.39)

0.547

Wald chi-square

0.84

0.474

3.19

0.026

1.90

0.134

  1. Models adjust for gender, FAS (family affluence scale), region, time, pupil smoking and e-cigarette use. Values 1, 2 and 3 represent the composite indicators of exposure to tobacco and e-cigarettes compared to the reference category of ‘0’