Table 2. Characteristics of all deliveries resulting in live births in the survey recall period, by country.

Country	Survey year	Sample size		Percent among deliveries resulting in live births			Maternal age at delivery: mean (95% CI)			Parity before index delivery: mean (95% CI)			Number live born		Newborn mortality rate per 1,000 live births (<30 days)*
		Women with live births	Live birth deliveries	Singleton	Twins	Triplets and higher	Singleton	Twins	p-Value	Singleton	Twins	p-Value	Singletons	Twins	Singletons	Twins
Kenya	2014	14,949	20,672	98.59%	1.43%	0.00%	26.5 (26.3–26.6)	27.7 (26.7–28.7)	<0.001	2.2 (2.1–2.2)	2.5 (2.1–2.9)	<0.001	20,380	584	18.8	116.2
Malawi	2015–2016	13,448	16,951	98.04%	1.99%	0.01%	25.9 (25.8–26.1)	27.6 (26.8–28.4)	<0.001	2.2 (2.1–2.2)	2.6 (2.4–2.9)	<0.001	16,618	662	21.5	148.2
Mozambique	2011	7,622	10,879	97.96%	2.07%	0.01%	26.6 (26.3–26.8)	28.3 (27.2–29.5)	<0.001	2.5 (2.4–2.6)	3.0 (2.6–3.3)	<0.001	10,657	442	26.5	143.0
Rwanda	2015	5,955	7,742	98.57%	1.42%	0.04%	28.4 (28.2–28.6)	29.1 (28.0–30.2)	0.299	2.0 (1.9–2.1)	1.9 (1.5–2.3)	0.624	7,631	216	17.8	92.6
Tanzania	2015–2016	7,050	10,048	98.18%	1.83%	0.02%	27.0 (26.7–27.2)	29.8 (28.7–31.0)	<0.001	2.5 (2.4–2.6)	3.2 (2.7–3.6)	0.021	9,865	362	22.1	109.8
Uganda	2016	10,262	15,266	98.34%	1.68%	0.01%	26.4 (26.2–26.6)	27.3 (26.4–28.2)	0.013	2.7 (2.7–2.8)	3.0 (2.6–2.5)	0.026	15,012	504	23.3	111.8
Zambia	2013–2014	9,350	13,244	98.41%	1.59%	0.02%	26.7 (26.5–26.9)	30.1 (29.0–31.2)	<0.001	2.7 (2.6–2.8)	3.7 (3.3–4.1)	<0.001	13,034	414	20.8	116.2
Zimbabwe	2015	4,832	6,027	98.27%	1.74%	0.02%	26.5 (26.3–26.7)	29.3 (28.2–30.5)	<0.001	1.8 (1.7–1.9)	2.3 (1.9–2.6)	0.005	5,923	206	25.6	114.8

Multiple births (twins, triplets) are counted as 1 delivery.

*p-Value for difference in newborn mortality between singletons and twins was <0.001 in all included countries.