Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in Pakistan

Introduction With limited resources, attaining maximal average health service coverage can be at odds with maximising equity which attempts to promote greater reach among underserved populations. In this study, we examined the trade-offs in immunisation coverage levels and equity for children under...

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Main Authors: David Wilson, Nick Scott, Robert Oelrichs, Farah Houdroge, Hammad Yunus, Dominic Delport, Erin Stearns, Anna Palmer, Amber Naim, Aliya Kashif, Hnin Hnin Pyne
Format: Article
Language:English
Published: BMJ Publishing Group 2022-10-01
Series:BMJ Global Health
Online Access:https://gh.bmj.com/content/7/10/e009000.full
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author David Wilson
Nick Scott
Robert Oelrichs
Farah Houdroge
Hammad Yunus
Dominic Delport
Erin Stearns
Anna Palmer
Amber Naim
Aliya Kashif
Hnin Hnin Pyne
author_facet David Wilson
Nick Scott
Robert Oelrichs
Farah Houdroge
Hammad Yunus
Dominic Delport
Erin Stearns
Anna Palmer
Amber Naim
Aliya Kashif
Hnin Hnin Pyne
author_sort David Wilson
collection DOAJ
description Introduction With limited resources, attaining maximal average health service coverage can be at odds with maximising equity which attempts to promote greater reach among underserved populations. In this study, we examined the trade-offs in immunisation coverage levels and equity for children under 5 years of age in Pakistan across various subpopulations who can be targeted with different combinations of immunisation service modalities.Methods We conducted a detailed costing exercise across 16 geographically and demographically diverse districts in Pakistan. These data were the basis for (a) technical efficiency benchmarking via Data Envelopment Analysis to identify potential efficiency gains by location, delivery model and cost ingredient; (b) allocative efficiency optimisation modelling to understand how resource allocations could be optimised and to devise recommended budget allocations and operational metrics. Finally, the hypothetical overall efficiency gains attainable were estimated if available resources were allocated with the optimal emphases, and if service delivery models operated at productivity levels at the benchmarked frontier of efficiency.Results Benchmarking suggests that ~44% of delivery models are running efficiently and 37% are highly inefficient. While coverage and equity are usually at odds, surprisingly, the optimisation modelling revealed that substantial improvements in equity between subpopulations does not necessarily cost very much in overall immunisation coverage: theoretically, equity can be achieved while still attaining close to maximal immunisation coverage. Overall, analyses suggest greater emphases should be placed on outreach delivery models which particularly target rural areas and slum populations.Conclusion The unit cost differentials within districts are not sufficiently large for there to be a large reduction in potential Fully Immunised Children coverage if one focuses on maximising equity. However, reallocations of programme budgets can have a significant impact on equity outcomes, particularly at current low spending amounts. Therefore, it is recommended to address equity as the key objective in national immunisation programming.
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spelling doaj.art-6652a3b17cf044b7afb903cea53d12d02022-12-22T04:34:02ZengBMJ Publishing GroupBMJ Global Health2059-79082022-10-0171010.1136/bmjgh-2022-009000Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in PakistanDavid Wilson0Nick Scott1Robert Oelrichs2Farah Houdroge3Hammad Yunus4Dominic Delport5Erin Stearns6Anna Palmer7Amber Naim8Aliya Kashif9Hnin Hnin Pyne10Burnet Institute, Melbourne, Victoria, AustraliaBurnet Institute, Melbourne, Victoria, AustraliaWorld Bank Group, Washington, DC, USABurnet Institute, Melbourne, Victoria, AustraliaPFM Solutions, Islamabad, PakistanBurnet Institute, Melbourne, Victoria, AustraliaBill and Melinda Gates Foundation, Seattle, Washington, USABurnet Institute, Melbourne, Victoria, AustraliaPFM Solutions, Islamabad, PakistanWorld Bank Group, Washington, DC, USAWorld Bank Group, Washington, DC, USAIntroduction With limited resources, attaining maximal average health service coverage can be at odds with maximising equity which attempts to promote greater reach among underserved populations. In this study, we examined the trade-offs in immunisation coverage levels and equity for children under 5 years of age in Pakistan across various subpopulations who can be targeted with different combinations of immunisation service modalities.Methods We conducted a detailed costing exercise across 16 geographically and demographically diverse districts in Pakistan. These data were the basis for (a) technical efficiency benchmarking via Data Envelopment Analysis to identify potential efficiency gains by location, delivery model and cost ingredient; (b) allocative efficiency optimisation modelling to understand how resource allocations could be optimised and to devise recommended budget allocations and operational metrics. Finally, the hypothetical overall efficiency gains attainable were estimated if available resources were allocated with the optimal emphases, and if service delivery models operated at productivity levels at the benchmarked frontier of efficiency.Results Benchmarking suggests that ~44% of delivery models are running efficiently and 37% are highly inefficient. While coverage and equity are usually at odds, surprisingly, the optimisation modelling revealed that substantial improvements in equity between subpopulations does not necessarily cost very much in overall immunisation coverage: theoretically, equity can be achieved while still attaining close to maximal immunisation coverage. Overall, analyses suggest greater emphases should be placed on outreach delivery models which particularly target rural areas and slum populations.Conclusion The unit cost differentials within districts are not sufficiently large for there to be a large reduction in potential Fully Immunised Children coverage if one focuses on maximising equity. However, reallocations of programme budgets can have a significant impact on equity outcomes, particularly at current low spending amounts. Therefore, it is recommended to address equity as the key objective in national immunisation programming.https://gh.bmj.com/content/7/10/e009000.full
spellingShingle David Wilson
Nick Scott
Robert Oelrichs
Farah Houdroge
Hammad Yunus
Dominic Delport
Erin Stearns
Anna Palmer
Amber Naim
Aliya Kashif
Hnin Hnin Pyne
Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in Pakistan
BMJ Global Health
title Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in Pakistan
title_full Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in Pakistan
title_fullStr Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in Pakistan
title_full_unstemmed Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in Pakistan
title_short Cost optimisation analysis of the expanded programme for immunisation: balancing equity and coverage in Pakistan
title_sort cost optimisation analysis of the expanded programme for immunisation balancing equity and coverage in pakistan
url https://gh.bmj.com/content/7/10/e009000.full
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