Table 2

Search terms composed of concepts and synonyms (broadly based on PICO)

PICOInterventionContext (comparator)Outcome
Synonymsstory‘Climate change’Attitude*
storiesHIV OR HIV/AIDS knowledge
Vaccination OR vaccine*Behavio?r*
Cancer adj3 screeningPerception*
Obesity OR overweightBelief*
Smoking OR ‘smoking cessation’
‘mental health’ OR mental
‘maternal and child health’ OR ‘mother and child’ OR pregnancy OR ‘pregnancy outcomes’
‘sexual health’ OR ‘sexually transmitted infection*’ OR STI* OR STD*
  • *refers to any expansion of the word to which it refers such that a search will be inclusive