Zegeye, Betregiorgis, El-Khatib, Ziad, Oladimeji, Olanrewaju, Ahinkorah, Bright Opoku, Ameyaw, Edward Kwabena, Seidu, Abdul Aziz, Budu, Eugene, and Yaya, Sanni (2021) Demographic and health surveys showed widening trends in polio immunisation inequalities in Guinea. Acta Paediatrica, 110 (12). pp. 3334-3342.

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Abstract

Aim: This study examined trends in absolute and relative socio-economic, gender and geographical inequalities in the coverage of polio immunisation in Guinea, West Africa, from 1999 to 2016.

Methods: Data from the 1999, 2005 and 2012 Guinea Demographic and Health Survey and the 2016 Guinea Multiple Indicator Cluster Survey were analysed using the World Health Organization's health equity assessment toolkit. We disaggregated polio immunisation coverage using five equity stratifiers: household economic status, maternal educational level, place of residence, child's gender and region. The four summary measures used were the difference, ratio, population attributable risk and population attributable fraction. A 95% confidence interval (CI) was constructed around point estimates to measure statistical significance.

Results: A total of 4778 1-year-old children were included. Polio immunisation coverage in 1999, 2005, 2012 and 2016 were 43.4%, 50.7%, 51.2% and 38.6%, respectively. Socio-economic and geographical inequalities in polio immunisation favoured children with educated mothers who came from richer families living in urban areas. There were also differences in the eight regions over the 1999–2016 study period.

Conclusion: Targeting children from disadvantaged subgroups must be prioritised to ensure equitable immunisation services that help to eradicate polio in Guinea.

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