Summary: | Background This report is the first review of effects on interventions to different socio-economic groups, and which assess smoking cessation interventions. Objective What is the effect of interventions: 1) to reduce smoking among different socio-economic groups 2) to reduce smoking in lower socio-economic groups? Methods We searched systematically for relevant literature in international databases, and appraised and synthesized studies which fulfilled our inclusion criteria. Results We summarized results from four reviews and 19 randomized control studies. We have defined four main target groups for smoking cessation interventions: Studies of smoking prevention in schools showed compounded results. Students with technical college and lower academic education had stronger intention to smoke. Free nicotine patches and supporting telephone calls for pregnant showed only short-term effect on smoking cessation. High family income and few smoking friends were important factors for smoking cessation. The interventions toward adult daily smokers were effective. High socio-economic status, high motivation to quit, low nicotine dependence and amount of time spent with non-smokers are important factors for duration of smoking cessation. The interventions toward patients with better social networks have higher probability of quitting smoking. Counselling increased smoking cessation among lower socio-economic groups compared with high socio-economic groups. Conclusion Smoking cessation interventions are most efficient for groups with high socio-economic status. Few studies report separate effects for groups with lower socio-economic status, though
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