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Table 5 Compliance and associated factors

From: Compliance and enforcement of a partial smoking ban in Lisbon taxis: an exploratory cross-sectional study

Compliance   Yes   No   Total   Crude OR 95%CI p Adjusted OR 95%CI p MLR
   n % n % n %        
Cigarettes per day >20 3 7.1 39 92.9 42 100 0.08 0.02–0.27 <0.001 0.045 0.01–0.38 0.004 Model explanation
Ref ≤20 34 50.7 33 49.3 67 100        77.6%
  Total 37 33.9 72 66.1 109 100        
Allowing smoking* prior to the ban Yes 21 25.9 60 74.1 81 100 0.18 0.05–0.64 0.004 0.15 0.02–0.88 0.036 Hosmer and Lemeshow test
Ref No 8 66.7 4 33.3 12 100        p = 0.950
  Total 29 31.2 64 68.8 93 100        
Smoke-free car** Yes 13 56.5 10 43.5 23 100 4.12 1.55–10.97 0.003 ns    Model p value
Ref No 18 24.0 57 76.0 75 100        <0.001
  Total 31 31.6 67 68.4 98 100        
Shift work Night 11 23.9 35 76.1 46 100 0.30 0.12–0.77 0.011 0.20 0.05–0.79 0.021  
Ref Day 18 51.4 17 48.6 35 100        
  Total 29 36.3 52 63.8 81 100        
Health beliefs Yes 16 48.5 17 51.5 33 100 2.47 1.06–5.76 0.035 ns    
Ref No 21 27.6 55 72.4 76 100        
  Total 37 33.9 72 66.1 109 100        
  1. OR Odds ratio, MLR Multiple logistic regression, Ref Reference category for comparison; ns: non-significant; **not-applicable: “I did not work as a taxi driver prior the ban” (n = 16); *not-applicable: “I do not have a car” (n = 11); adjusted OR derived from MLR adjusted for driver’s tobacco consumption, allowing smoking prior to the ban, Smoke-free car, shift work, health believes.