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Table 5 Forward Stepwise regression analysis with perception of health tax and mass media regulationa

From: Public support for health taxes and media regulation of harmful products in South Korea

  Regulation Health Tax
Alcohol advertising Smoking scene Eating broadcasts Food advertising
aOR (95% CI) p-value aOR (95% CI) p-value aOR (95% CI) p-value aOR (95% CI) p-value aOR (95% CI) p-value
Age
 20–39   N/S N/S N/S N/S 1 (Ref)
 ≥ 40   1.39 (1.01–1.91) 0.042
Marital Status
 Not married   N/S N/S 1 (Ref) N/S 1 (Ref)
 Divorced/Widowed/Separated   1.43 (1.07–1.92) 0.016 1.52 (1.12–2.07) 0.007
 Married/Cohabited   2.39 (1.23–4.65) 0.010 2.21 (1.03–4.71) 0.041
Monthly Income
 <  3000$   N/S 1 (Ref) N/S N/S N/S
 3000$ - 6000$   1.51 (1.11–2.04) 0.008
 >  6000$   2.29 (1.22–4.30) 0.010
Job Status
 No   N/S N/S N/S N/S 1 (Ref)
 Yes   1.50 (1.12–2.01) 0.006
Household composition
 No children   1 (Ref) 1 (Ref) N/S N/S 1 (Ref)
 One or more children   1.49 (1.12–1.98) 0.006 1.52 (1.16–1.98) 0.003 1.50 (1.15–1.97) 0.004
Smoking       
 Current smoker   N/S 1 (Ref) N/S N/S 1 (Ref)
 Ex-smoker   1.07 (0.67–1.70) N/S 1.55 (0.96–2.52) N/S
 Non-smoker   1.52 (1.10–2.09) 0.011 1.55 (1.12–2.14) 0.008
Exposure to alcohol advertising
 No   N/S 1 (Ref) N/S 1 (Ref) N/S
 Yes   1.60 (1.21–2.13) 0.001 1.52 (1.14–2.03) 0.004
Influenced by alcohol advertising
 No   1 (Ref) N/S 1 (Ref) 1 (Ref) N/S
 Yes   4.01 (3.06–5.25) <  0.001 1.80 (1.34–2.44) <  0.001 2.32 (1.76–3.06) <  0.001
Exposure to smoking scene
 No   N/S N/S 1 (Ref) 1 (Ref) 1 (Ref)
 Yes   1.34 (1.02–1.75) 0.037 1.53 (1.16–2.03) 0.003 1.49 (1.09–2.02) 0.012
Influenced by smoking scene
 No   N/S 1 (Ref) 1 (Ref) N/S 1 (Ref)
 Yes   2.79 (2.05–3.81) <  0.001 1.40 (1.02–1.91) 0.036 1.77 (1.30–2.40) <  0.001
Exposure to eating broadcasts
 No   1 (Ref) 1 (Ref) 1 (Ref) N/S 1 (Ref)
 Yes   1.74 (1.33–2.28) <  0.001 1.96 (1.47–2.62) <  0.001 1.41 (1.05–1.90) 0.022 1.34 (1.00–1.79) 0.047
Influenced by eating broadcasts
 No   N/S N/S 1 (Ref) N/S N/S
 Yes   1.74 (1.31–2.32) <  0.001
Influenced by food advertising
 No   N/S N/S N/S 1 (Ref) 1 (Ref)
 Yes      2.72 (2.08–3.57) <  0.001 1.35 (1.02–1.79) 0.036
  1. Abbreviations: aOR adjusted odds ratio, Ref reference, N/S Non-significant
  2. aMultiple logistic regression analysis including variables identified as independent predictors that showed statistical significance in univariate analysis
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BMC Public Health

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