Table 1

PICO description

AbbreviationMeaningCharacteristics
PParticipantsCommunity-dwelling adults ≥60 years old.
IIntervention (exposure)Sociodemographic factors, health conditions, social support, functional disability and contextual factors.
CComparatorsGroup without the exposure variables.
OOutcomesPrevalence/incidence data of depression/clinically significant depressive symptoms.