The use of continuous surveys to generate and continuously report high quality timely maternal and newborn health data at the district level in Tanzania and Uganda

Table 2 Illustrative sample size calculations ¹ for outcomes along the continuum of care from pregnancy to post-natal in Tanzania and Uganda

Stage in the continuum of care	Indicator		Expected level in comparison group	Sample size (live births) in each group needed to find percentage point increases of²:
Stage in the continuum of care	Indicator		Expected level in comparison group	10	15	20
Pre-pregnancy	1	Used family planning prior to new pregnancy	0.40	597	267	151
Antenatal	2	Attended ANC 4 or more times (women who gave birth in the last year)	0.43	603	268	150
	3	Use of IPTp in pregnancy reported by women who gave birth in the last year	0.63	525	223	119
Intra-partum	4	Births in a health facility	0.42	602	268	151
	5	Caesarean sections	0.04	208	113	75
Immediate newborn care	6	Nothing put on cord	0.72	428	175	89
	7	Immediate breastfeeding	0.20	452	214	127
Postnatal care	8	Mother reported post-natal check within 2 days and 7 days of child birth	0.30	549	251	145
	9	Infant received post-natal check within 2 days and 7 days of children birth	0.40	598	262	145

¹Kirkwood B. and Sterne J, Essentials of Medical Statistics. Vol. 2 edition. 2001: Wiley-Blackwell.
²Indicators across the continuum of care from pre-pregnancy to post-partum, assuming 80% power to detect differences for given percentage point increases between intervention and comparison groups, or over time. Adjusted for design effect (1.4) and for refusals (10%).

ISSN: 1748-5908