Table 1 Population, intervention, comparator, outcome, and study design (PICOS) elements
PICOS elements | Inclusion and exclusion criteria |
|---|---|
Population | Young people and adults aged 15 and over who were smokers |
Intervention | Reviews assessed only the effect of pharmacotherapy on smoking cessation (nicotine, bupropion and varenicline and combined therapy). Reviews which assessed combined pharmacotherapy and behavioral interventions will be excluded. |
Comparator | The control may be either standard care or placebo, behavioral intervention or no intervention |
Outcome | Reviews that assessed abstinence from smoking for a minimum of 6 months follow-up for prolonged abstinence rate and less than 6 months but greater than 7 days for point prevalence rate. |
Study design | Reviews that include only randomized control trials published in English. Reviews that include observational studies will be not included. |