Table 1.

PICOTS criteria used in the systematic review

PICOTS
Populations	Pregnant people, mothers, newborns, and children (aged 9 years and under)
Interventions	Delivery of quality maternal, newborn, and/or child health services by the private sector
Control	Not necessary
Outcomes	Quantitative, qualitative, or mixed-methods data on: • maternal morbidity • maternal mortality • newborn morbidity • newborn mortality • child morbidity • child mortality • components of quality care (i.e. safety, effectiveness, timeliness, efficiency, equity, people-centred care) • experience of care, including respectful care • service utilization
Timeframe	1 January 1995 to 30 June 2019
Setting	Low- and middle-income countries