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Table 2 Levels of self declared support for and/or practice of smoking bans in vehicles carrying children reported in included studies by smoking status (in date order)

From: Policy guidance on threats to legislative interventions in public health: a realist synthesis

Study Year of survey data collection Type of data reported (support and/or practice of ban) Country Cars
     Non-smokers and smokers support/practice % Non-smokers support/practice % Smokers support/practice %
Bauman et al[46]. 1994 Support Australia, NSW 72   63
Norman et al[47]. 1996/7 Practice USA, California 66.0 (16.0 *)   
Walsh et al[48]. 2000 Support and practice [in brackets] Australia, NSW   58.8 [86.7] 44.7 [39.8]
Kegler et al[49]. 2000 Practice USA, Oklahoma State (North East)   67.4 12.8
Binns et al[50]. 2001 Practice USA, Chicago   83.0 58.0
King et al[51]. 2001 Practice USA, nationwide (African Americans only)   84.1 21.4
McMillen et al[52]. 2002 Practice USA, nationwide 83.2 (urban) 68.7 (rural) **   
Gonzales et al[53]. 2003/4 Practice USA, Albuquerque (Hispanics only) 81.0   
Walsh et al[54]. 2004 Support Australia, NSW   55.6 50.5
Leatherdale et al[55]. 2004 Support Canada, nationwide   91.8 72.9
Kegler et al[56]. 2004/5 Practice USA, Georgia (South West) 36.8 (40.4 *)   
Leatherdale et al[29]. 2006 Support Canada, nationwide   90.3 79.2
Jalleh et al[57]. 2006# Support Australia, Western Australia   87 80
Thomson et al[30]. 2007/8 Support New Zealand, nationwide    95.9
Dunn et al[58]. 2008 Support Australia, Queensland   82.9*** 76.9***
  1. Key: * % support if ban was only partial
  2. ** % support differentiated by rural and urban responders
  3. # year of publication
  4. *** % support refers only to children aged 12 or under present in the car