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Financial incentives can increase smoking cessation in diverse populations, with evidence showing moderate effects. However, the quality of this evidence is low because of inadequate randomisation and allocation procedures, deficient outcome reporting, and confounding Furthermore, the effectiveness of incentives is difficult to determine because of a wide range in type and size of the incentives. Additionally, previous studies, 3, were mainly done in the USA, which might limit generalisability. Finally, most studies, 6, 7, have solely investigated the effect of incentives, without accompanying group counselling for smoking cessation. The effect of the combination of incentives with counselling is especially important to assess, considering evidence that group counselling can effectively enhance quit successPrevious studies provided an indication of which aspects of………………….continue reading https://www.thelancet.com/journals/lanpub/article/PIIS2468-2667(18)30185-3/fulltext