The effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South Africa

Abstract We use a regression discontinuity design to estimate the causal effect of antiretroviral therapy (ART) eligibility according to national treatment guidelines of South Africa on two risk factors for cardiovascular disease, body mass index (BMI) and blood pressure. We combine survey data coll...

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Main Authors: Aditi Kuber, Anna Reuter, Pascal Geldsetzer, Natsayi Chimbindi, Mosa Moshabela, Frank Tanser, Till Bärnighausen, Sebastian Vollmer
Format: Article
Language:English
Published: Nature Portfolio 2021-07-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-94057-z
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author Aditi Kuber
Anna Reuter
Pascal Geldsetzer
Natsayi Chimbindi
Mosa Moshabela
Frank Tanser
Till Bärnighausen
Sebastian Vollmer
author_facet Aditi Kuber
Anna Reuter
Pascal Geldsetzer
Natsayi Chimbindi
Mosa Moshabela
Frank Tanser
Till Bärnighausen
Sebastian Vollmer
author_sort Aditi Kuber
collection DOAJ
description Abstract We use a regression discontinuity design to estimate the causal effect of antiretroviral therapy (ART) eligibility according to national treatment guidelines of South Africa on two risk factors for cardiovascular disease, body mass index (BMI) and blood pressure. We combine survey data collected in 2010 in KwaZulu-Natal, South Africa, with clinical data on ART. We find that early ART eligibility significantly reduces systolic and diastolic blood pressure. We do not find any significant effects on BMI. The effect on blood pressure can be detected up to three years after becoming eligible for ART.
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spelling doaj.art-08f3abab57694728b9633a8d6d02e2b12022-12-21T22:55:48ZengNature PortfolioScientific Reports2045-23222021-07-011111910.1038/s41598-021-94057-zThe effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South AfricaAditi Kuber0Anna Reuter1Pascal Geldsetzer2Natsayi Chimbindi3Mosa Moshabela4Frank Tanser5Till Bärnighausen6Sebastian Vollmer7Department of Economics, University of GoettingenDepartment of Economics, University of GoettingenDivision of Primary Care and Population Health, Department of Medicine, Stanford UniversityAfrica Health Research InstituteAfrica Health Research InstituteAfrica Health Research InstituteAfrica Health Research InstituteDepartment of Economics, University of GoettingenAbstract We use a regression discontinuity design to estimate the causal effect of antiretroviral therapy (ART) eligibility according to national treatment guidelines of South Africa on two risk factors for cardiovascular disease, body mass index (BMI) and blood pressure. We combine survey data collected in 2010 in KwaZulu-Natal, South Africa, with clinical data on ART. We find that early ART eligibility significantly reduces systolic and diastolic blood pressure. We do not find any significant effects on BMI. The effect on blood pressure can be detected up to three years after becoming eligible for ART.https://doi.org/10.1038/s41598-021-94057-z
spellingShingle Aditi Kuber
Anna Reuter
Pascal Geldsetzer
Natsayi Chimbindi
Mosa Moshabela
Frank Tanser
Till Bärnighausen
Sebastian Vollmer
The effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South Africa
Scientific Reports
title The effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South Africa
title_full The effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South Africa
title_fullStr The effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South Africa
title_full_unstemmed The effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South Africa
title_short The effect of eligibility for antiretroviral therapy on body mass index and blood pressure in KwaZulu-Natal, South Africa
title_sort effect of eligibility for antiretroviral therapy on body mass index and blood pressure in kwazulu natal south africa
url https://doi.org/10.1038/s41598-021-94057-z
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