Chapter 4 86 Figure 3: Summary of pooled support estimates for places of smoke-free policies, by sex, smoking status, age group, and parental status. Pooled support was obtained from three-level random effects meta-analysis. Public support for smoke-free policies following implementation We identified 12 studies that evaluated support for smoke-free policies before and after implementation (Table 3). Only one study used a controlled design with a control and intervention location.31 Six studies found that public support significantly increased following the introduction of smoke-free policies,31, 45, 59, 76, 122, 127 and six studies reported no significant change in support.52, 70, 101, 114, 117, 118 Increasing public support following implementation was found for smokefree public transportation stops and children’s playgrounds,45 a smoke-free policy on grounds and parking places of an Australian health service,59 university campuses,31, 76, 127 and hospital campuses.122 Two studies showed a decrease in support directly after implementation of a policy, which subsequently increased at follow-up.70, 114 Among smokers support also increased over time in all but one study.
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