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Question How effective are self help smoking cessation interventions?
Studies were identified by searching the Tobacco Addiction Review Group Register (which includes studies identified from Medline, PsycLIT, Dissertation Abstracts Online, Applied Social Sciences Index and Abstracts, Social Citations Index, and Social Science Citations Index) using the terms self help, manual, and booklet; and bibliographies of previous reviews.
Randomised or quasi-randomised controlled trials were selected if they had ≥6 months follow up and if ≥1 treatment arm involved a self help intervention without repeated face to face contact with a therapist. Self help interventions had to involve a structured programme for quitting. Studies of pregnant women were excluded.
Data were extracted on the study population, method of randomisation, type of intervention, follow …
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