Schoen 2017.

Country	Brazil
Resources	Upper middle‐income country
Data collection	Interviews and focus group discussions
Health worker category	Lay health workers (LHWs)
Health issue	Routine health information
mHealth system	LHWs used mobile phones to collect health and demographic data of community members that could be used for healthcare planning. It is unclear if the phones were issued to the health workers.
WHO taxonomy	4.3 Location mapping 4.3.3 Map location of clients and households
Notes	The mHealth study was conducted between 2009 and 2015.