PMA Nigeria (Kano & Lagos) Phase 4 Household and Female survey collects state-level representative data on knowledge, practice, and coverage of family planning services in 25 enumeration areas (EAs) in Kano and 52 EAs in Lagos selected using a multi-stage stratified cluster design with urban-rural strata. The final sample included 834 (99.5%) households and 1,187 (98.8%) females in Kano and 1,495 (93.3%) households and 1,250 (95.1%) females in Lagos who completed the interviews for the cross-sectional survey. The data was collected between November 2023 and February 2024.

Kano Phase 4 panel data were collected among women from Phase 1, Phase 2, and Phase 3 who consented to follow-up and aged 15-49y at Phase 4. Of the 1,213 women, 73.0% of women enrolled in the panel survey at Phase 1 between December 2019 and January 2020, 10.6% of women enrolled in the panel survey at Phase 2 between December 2020 and January 2021, and 16.4% of women enrolled in the panel survey at Phase 3 between December 2021 and January 2022. Of the 1213 women eligible for the panel survey at Phase 4, 19.2% of were not reached for follow-up. Of those reached, 976 (80.5%) completed the survey, for a response rate of 99.8% among contacted women. The flowchart below provides the details on the loss to follow-up and panel women sample in Kano.

Lagos Phase 4 panel data were collected among 1720 women from Phase 1, Phase 2 and Phase 3 who consented to follow-up and aged 15-49y at Phase 4. 64.2% of women enrolled in the panel survey at Phase 1 between December 2019 and January 2020, 19.9% of women enrolled in the panel survey at Phase 2 between December 2020 and January 2021, and 15.9% of women enrolled in the panel survey at Phase 3 between December 2021 and January 2022. Of the 1720 women eligible for the panel survey at Phase 4, 38.6% of were not reached for follow-up. Of those reached, 989 (57.5%) completed the survey, for a response rate of 95.6% among contacted women.