Table 1.

Country and sample size details

Country	Survey (data collection) period	Total women (aged 15–49 years) interviewed	Sample size by designa	Selected women sampleb	% of completed responses
Nigeria	August 14–December 29, 2018	41,821	6857	6761	98.5
Mali	August 6–November 18, 2018	10,519	2049	1973	96.3
Guinea	March 27–June 28, 2018	10,874	1708	1690	98.9
Zambia	July 17–January 24, 2019	13,683	1637	1570	95.9

^aSample size by design are women aged 15–49 currently married, who gave birth in the last 0–12 months prior to the month of interview and responded to questions on antenatal care visits and timing ^bSelected women sample are women with complete response for all variables considered