Table 2 Search strategy terms

caregiver*

care-giver*

relative

family*

families*

dependent*

kin*

spouse*

parent*

folk*

“spouse-caregiver”*

Dementia OR Delirium “Wernicke Encephalopathy” “Cognitive Disorder*” dement* alzheimer* “lewy* bod*” OR deliri* “chronic cerebrovascular” “organic brain disease” “organic brain syndrome” “normal pressure hydrocephalus” “shunt*” “benign senescent forgetfulness” “cerebr* deteriorat*” “cerebral* insufficient*” “pick* disease” creutzfeldt jcd cjd huntington* “binswanger*” korsako

“Africa”

“sub-Saharan Africa”

“Western Africa”

“Central Africa”

“Eastern Africa”

“Southern Africa “