[Volumes of services supplied by Italian Stop-Smoking Services and their characteristics predictive of abstinence].
2013
OBJECTIVE: to evaluate differences in terms of smokers' attendance to National Health System (NHS) Stop-Smoking Services with a prevalent individual approach (SSSi), and to those with a prevalent group approach (SSSg). To identify predictive characteristics of success, in terms of quit rates at the end of treatment (QR0) and after 6 months (QR1), according to SSS type (SSSi/SSSg), treatment (individual/ group counseling with/without pharmacologic treatments), 5 SSS scores: type of structure (S), number and hours per week of SSS health professionals (P), SSS involvement in local tobacco control networks (N), and type of smokers' assessment (A); and 3 principal components of SSS characteristics. DESIGN: survey to 19 SSSs, and survey to smokers attending these SSSs, with a six month follow-up. SETTING AND PARTICIPANTS: 1,276 smokers attending 19 SSSs (664 at 7 SSSi; 612 at 12 SSSg) in 9 months in the period 2008-2010. MAIN OUTCOME MEASURES: smokers' attendance to scheduled sessions; QR0; QR1. RESULTS: even though SSSi treated more smokers per month (12 vs. 8 in SSSg), SSSi scheduled fewer treatment sessions (7 vs. 9 sessions) in a wider treatment period (3 months vs. 2 in SSSg). SSSg recorded lower P and higher A scores. Four out of 5 smokers attending SSSg and 2/5 of smokers attending SSSi completed treatment protocols. Considering all smokers, QR1 in both types of SSS were around 36%. Smokers treated with pharmacotherapy, those more motivated and with high self-efficacy, and those non-living together with smokers were more likely to recorded higher QR1. CONCLUSIONS: the most relevant interventions in order to increase the number of smokers treated at SSS and to improve cessation rates among them were: for SSSi, increasing completion to treatment protocol; for SSSg, improving the P scores to increase the number of treated smokers; for all SSS, increasing the use of pharmacotherapy in combination with individual/group counseling to sustain abstinence.
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