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Table 3 Attitudes of respondents to new smokefree areas by indexes and scales for smoking behaviours and smoking-related beliefs

From: What is behind smoker support for new smokefree areas? National survey data

Index/scale* Strong support [A] (crude mean score, 95% CI) (n = 825) Weak support [B] (crude mean score, 95% CI) (n = 551) Differences in mean scores [A - B] (Test of significance)
Smoking/SHS knowledge of harm    
Awareness of smoking harm (7-item index) (α = 0.69) 0.57 (0.53 - 0.61) 0.44 (0.39 - 0.49) 0.13 (p < 0.001)
Awareness of SHS harm (2-item index) (α = 0.62) 0.82 (0.77 - 0.86) 0.62 (0.56 - 0.67) 0.20 (p < 0.001)
Smoking behaviour & smokefree rules    
Heaviness of smoking (alternate version) 0.59 (0.36 - 0.83) 1.49 (1.24 - 1.73) -0.90 (p < 0.001)
SHS protection (3-point scale), "How much, if at all, do you try to minimise the amount that non-smokers are exposed to your cigarette smoke?" (a high score means they try harder) 1.59 (1.52 - 1.66) 1.39 (1.30 - 1.47) 0.20 (p < 0.001)
Smokefree home (3-point scale), "Which of the following best describes smoking inside your home?" (high score is fully smokefree) 1.60 (1.53 - 1.67) 1.37 (1.30 - 1.44) 0.23 (p < 0.001)
Smokefree car (3-point scale), How you smoke "when you are in a car or other private vehicle with non-smokers" (high score is fully smokefree) 1.79 (1.73 - 1.84) 1.58 (1.51 - 1.65) 0.21 (p < 0.001)
Smoking/SHS beliefs and attitudes    
Smoking has affected health & quality of life (2-item index) (α = 0.68) 2.13 (2.04 - 2.21) 1.93 (1.85 - 2.01) 0.20 (p = 0.001)
Intention of quitting (4-point scale) 1.24 (1.13 - 1.34) 0.98 (0.89 - 1.07) 0.26 (p < 0.001)
Attitude to regulation (2-item index, high score is favourable toward regulation) (α = 0.51) 3.59 (3.52 - 3.66) 3.13 (3.05 - 3.21) 0.46 (p < 0.001)
Self-exempting beliefs (3-item index, high score means stronger such beliefs) (α = 0.60) 2.82 (2.74 - 2.90) 3.17 (3.09 - 3.24) -0.35 (p < 0.001)
Overall attitude to smoking (5-point scale, high score is more positive towards smoking) 2.30 (2.22 - 2.38) 2.57 (2.49 - 2.65) -0.27 (p < 0.001)
Smoking restrictions as reasons for quitting (2-item index covering work and restaurants/pubs, as per questions in Table 2) (α = 0.79) 1.60 1.47 0.13 (p = 0.004)
  1. * These indices are all described in more detail in an online Methods Report [30].
  2. Alpha (α) scores are for Cronbach's alpha (see Methods).