TABLE 1.

Data Sources

Data Source	Frequency	Participants
Routine MSION service data	Collected by providers at time of service on ongoing basis	All MSION family planning clients
Supplementary LNG IUS client data	Collected by providers at time of service as part of LNG IUS program	Sample of LNG IUS clients (N=388)
MSION client exit interview dataa	Collected by MSION annually	Sample of MSION LARC clients (N=692)
In-depth interviews	Conducted in 2017	LNG IUS clients (N=33) LNG IUS providers (N=32) Key opinion leaders (N=17)

Abbreviations: LARC, long-acting reversible contraception; LNG IUS, levonorgestrel intrauterine system; MSION, Marie Stopes International Organisation Nigeria.

^aUsed for comparison purposes, not part of LNG IUS study protocol.