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Risk factors for neonatal mortality: an observational cohort study in Sarlahi district of rural southern Nepal.


ABSTRACT:

Objectives

To assess the association between maternal characteristics, adverse birth outcomes (small-for-gestational-age (SGA) and/or preterm) and neonatal mortality in rural Nepal.

Design

This is a secondary observational analysis to identify risk factors for neonatal mortality, using data from a randomised trial to assess the impact of newborn massage with different oils on neonatal mortality in Sarlahi district, Nepal.

Setting

Rural Sarlahi district, Nepal.

Participants

40 119 pregnant women enrolled from 9 September 2010 to 16 January 2017.

Main outcome

The outcome variable is neonatal death. Cox regression was used to estimate adjusted Hazard Ratios (aHRs) to assess the association between adverse birth outcomes and neonatal mortality.

Results

There were 32 004 live births and 998 neonatal deaths. SGA and/or preterm birth was strongly associated with increased neonatal mortality: SGA and preterm (aHR: 7.09, 95% CI: (4.44 to 11.31)), SGA and term/post-term (aHR: 2.12, 95% CI: (1.58 to 2.86)), appropriate-for-gestational-age/large-for-gestational-age and preterm (aHR: 3.23, 95% CI: (2.30 to 4.54)). Neonatal mortality was increased with a history of prior child deaths (aHR: 1.53, 95% CI: (1.24 to 1.87)), being a twin or triplet (aHR: 5.64, 95% CI: (4.25 to 7.48)), births at health posts/clinics or in hospital (aHR: 1.34, 95% CI: (1.13 to 1.58)) and on the way to facilities or outdoors (aHR: 2.26, 95% CI: (1.57 to 3.26)). Risk was lower with increasing maternal height from <145 cm to 145-150 cm (aHR: 0.78, 95% CI: (0.65 to 0.94)) to ≥150 cm (aHR: 0.57, 95% CI: (0.47 to 0.68)), four or more antenatal care (ANC) visits (aHR: 0.67, 95% CI: (0.53 to 0.86)) and education >5 years (aHR: 0.75, 95% CI: (0.62 to 0.92)).

Conclusion

SGA and/or preterm birth are strongly associated with increased neonatal mortality. To reduce neonatal mortality, interventions that prevent SGA and preterm births by promoting ANC and facility delivery, and care of high-risk infants after birth should be tested.

Trial registration number

NCT01177111.

SUBMITTER: Yan T 

PROVIDER: S-EPMC10503364 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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Publications

Risk factors for neonatal mortality: an observational cohort study in Sarlahi district of rural southern Nepal.

Yan Tingting T   Mullany Luke C LC   Subedi Seema S   Hazel Elizabeth A EA   Khatry Subarna K SK   Mohan Diwakar D   Zeger Scott S   Tielsch James M JM   LeClerq Steven C SC   Katz Joanne J  

BMJ open 20230914 9


<h4>Objectives</h4>To assess the association between maternal characteristics, adverse birth outcomes (small-for-gestational-age (SGA) and/or preterm) and neonatal mortality in rural Nepal.<h4>Design</h4>This is a secondary observational analysis to identify risk factors for neonatal mortality, using data from a randomised trial to assess the impact of newborn massage with different oils on neonatal mortality in Sarlahi district, Nepal.<h4>Setting</h4>Rural Sarlahi district, Nepal.<h4>Participan  ...[more]

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