International Journal of Population Research / 2012 / Article / Tab 1

Research Article

Estimating Maternal Mortality Level in Rural Northern Nigeria by the Sisterhood Method

Table 1

Responses of 3,080 respondents about their sister’s vital status and LTR of maternal death, selected states, Northern Nigeria, 2011.

Column 1Column 2Column 3Column 4Column 5Column 6Column 7Column 8
Age group
of respondent
Number of
respondents (%)
Number of sisters Number of sisters
who died (%)
Number of maternal
deaths (%)
Adjustment factorSisters exposed
(Col. 3 * Col. 6)
Lifetime risk
(Col.5/Col.7)

15–19217 (7.0)37523 (3.9)7 (2.3)0.107400.17
20–24713 (23.1)1607120 (20.2)50 (16.8)0.2063310.15
25–29799 (25.9)2099169 (28.5)75 (25.2)0.3437200.10
30–34724 (23.5)1863124 (20.9)76 (25.5)0.5039370.08
35–39363 (11.8)95171 (12.0)37 (12.4)0.6646310.06
40–44211 (6.9)69677 (13.0)45 (15.1)0.8025580.08
45–4953 (1.7)1409 (1.5)8 (2.7)0.9001260.06

Total3,080 (100.0)7,731 593 (100.0)298 (100.0)3,3440.09

MMR = 1,271 maternal deaths per 100,000 live births; 95% CI is 1,152–1,445.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.