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Birth intervals and injectable contraception in sub-Saharan Africa

Birth intervals and injectable contraception in sub-Saharan Africa
Birth intervals and injectable contraception in sub-Saharan Africa
The interval between births is associated with child survival in the developing world. We investigate associations between use of depot medroxyprogesterone acetate and other reversible contraception and short birth intervals in sub-Saharan Africa. Data from successive Demographic and Health Surveys undertaken in nine African countries were analysed. Logistic regression was used to explain changes in the proportion of short birth intervals in four countries with relatively high use of reversible contraception. The overall odds ratio for the trend was 0.90 (95%CI 0.84 to 0.95) and this was unaffected by adjusting for the other variables. The odds of a short birth interval were reduced by exclusive breast feeding (OR 0.67, 95% CI 0.58 to 0.78) and increased by use of injectable contraception (OR 1.23, 95% CI 1.11 to 1.38). The proportion of short birth intervals has changed little over the last decade in a context of very low use of the intrauterine device. Widespread adoption of injectable contraception is associated with greater odds of a short birth interval, thus not contributing favourable conditions for improved child health.
A04/24
Southampton Statistical Sciences Research Institute, University of Southampton
Ngianga-Bakwi, Kandala
a7031875-6cc4-4771-8d62-dc633433acc1
Stones, R. William
cc80809c-04a3-4dc0-8771-820de97c312d
Ngianga-Bakwi, Kandala
a7031875-6cc4-4771-8d62-dc633433acc1
Stones, R. William
cc80809c-04a3-4dc0-8771-820de97c312d

Ngianga-Bakwi, Kandala and Stones, R. William (2005) Birth intervals and injectable contraception in sub-Saharan Africa (S3RI Applications and Policy Working Papers, A04/24) Southampton, UK. Southampton Statistical Sciences Research Institute, University of Southampton 11pp.

Record type: Monograph (Working Paper)

Abstract

The interval between births is associated with child survival in the developing world. We investigate associations between use of depot medroxyprogesterone acetate and other reversible contraception and short birth intervals in sub-Saharan Africa. Data from successive Demographic and Health Surveys undertaken in nine African countries were analysed. Logistic regression was used to explain changes in the proportion of short birth intervals in four countries with relatively high use of reversible contraception. The overall odds ratio for the trend was 0.90 (95%CI 0.84 to 0.95) and this was unaffected by adjusting for the other variables. The odds of a short birth interval were reduced by exclusive breast feeding (OR 0.67, 95% CI 0.58 to 0.78) and increased by use of injectable contraception (OR 1.23, 95% CI 1.11 to 1.38). The proportion of short birth intervals has changed little over the last decade in a context of very low use of the intrauterine device. Widespread adoption of injectable contraception is associated with greater odds of a short birth interval, thus not contributing favourable conditions for improved child health.

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Published date: 14 January 2005

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Local EPrints ID: 14004
URI: http://eprints.soton.ac.uk/id/eprint/14004
PURE UUID: 794d341a-3422-4b16-98e8-1f4262b68510

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Date deposited: 14 Jan 2005
Last modified: 20 Feb 2024 03:20

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Contributors

Author: Kandala Ngianga-Bakwi
Author: R. William Stones

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