Table 1 Defined vulnerable groups targeted in this systematic review

Female-headed household

Households headed by a woman (including temporarily female-headed households).

Children with special needs

Children with long-term physical, sensory, intellectual or mental health conditions.

Older adults

Referring to older adults.

Youth

Referring to younger age without identifying gender.

Ethnic minorities

Non-majority groups in terms of culture, race, or ethnic identity.

Displaced populations

People who, because of civil unrest or unsustainable livelihoods, have been displaced from their previous residence.

Chronically ill

People who have an illness requiring continuous care.

Individuals with disabilities

Adults with long-term physical, sensory, intellectual or mental health conditions.