Table 1.

PICOTS criteria

Population	Adults and households at risk, or diagnosed with at least one of the following non-communicable diseases: cardiovascular diseases, diabetes, chronic respiratory diseases or cancers (tracheal, bronchus and lung; colon and rectum; pancreas; stomach; breast and prostate)
Interventions	Private sector provision of health care services that involves the prevention, diagnosis, treatment and/or management of non-communicable disease
Comparator	Studies focused on private sector exclusively, or both private and public sectors
Outcomes	Determinants and outcomes of health care seeking behaviour, at the individual and population level
Timeframe	1 January 2010 to 30 June 2022
Setting	Low-income and middle-income countries following the World Bank 2022 classification [47]