Changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries

Background: Temporally-harmonized asset-based measures of wealth can be used to study the association of life-course wealth exposures in the same scale with health outcomes in low- and middle-income countries (LMICs). The within-individual longitudinal stability of asset-based indices of wealth in L...

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Autores principales: Jithin Sam Varghese, Linda S. Adair, Shivani A. Patel, Sonny Agustin Bechayda, Santosh K. Bhargava, Delia B. Carba, Bernardo L. Horta, Natalia P. Lima, Reynaldo Martorell, Ana M.B. Menezes, Shane A. Norris, Linda M. Richter, Manuel Ramirez-Zea, Harshpal Singh Sachdev, Fernando C. Wehrmeister, Aryeh D. Stein
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Publicado: Elsevier 2021
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spelling oai:doaj.org-article:5a639f5e9746450a83eed3265028f4452021-11-26T04:35:00ZChanges in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries2352-827310.1016/j.ssmph.2021.100976https://doaj.org/article/5a639f5e9746450a83eed3265028f4452021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352827321002512https://doaj.org/toc/2352-8273Background: Temporally-harmonized asset-based measures of wealth can be used to study the association of life-course wealth exposures in the same scale with health outcomes in low- and middle-income countries (LMICs). The within-individual longitudinal stability of asset-based indices of wealth in LMICs is poorly understood. Methods: Using data from five birth cohorts from three continents, we developed temporally-harmonized asset indices over the life course through polychoric principal component analysis of a common set of assets collected consistently over time (18 years in Brazil to 50 years in Guatemala). For each cohort, we compared the harmonized index to cross-sectional indices created using more comprehensive asset measures using rank correlations. We evaluated the rank correlation of the harmonized index in early life and adulthood with maternal schooling and own attained schooling, respectively. Results: Temporally-harmonized asset indices developed from a consistently-collected set of assets (range: 10 in South Africa to 30 in Philippines) suggested that mean wealth improved over time for all birth cohorts. Cross-sectional indices created separately for each study wave were correlated with the harmonized index for all cohorts (Brazil: r = 0.78 to 0.96; Guatemala: r = 0.81 to 0.95; India: 0.75 to 0.93; Philippines: r = 0.92 to 0.99; South Africa: r = 0.84 to 0.96). Maternal schooling (r = 0.15 to 0.56) and attained schooling (r = 0.23 to 0.53) were positively correlated with the harmonized asset index in childhood and adulthood respectively. Conclusions: Temporally-harmonized asset indices displayed coherence with cross-sectional indices as well as construct validity with schooling.Jithin Sam VargheseLinda S. AdairShivani A. PatelSonny Agustin BechaydaSantosh K. BhargavaDelia B. CarbaBernardo L. HortaNatalia P. LimaReynaldo MartorellAna M.B. MenezesShane A. NorrisLinda M. RichterManuel Ramirez-ZeaHarshpal Singh SachdevFernando C. WehrmeisterAryeh D. SteinElsevierarticleWealth indexLife course epidemiologySocial mobilityPublic aspects of medicineRA1-1270Social sciences (General)H1-99ENSSM: Population Health, Vol 16, Iss , Pp 100976- (2021)
institution DOAJ
collection DOAJ
language EN
topic Wealth index
Life course epidemiology
Social mobility
Public aspects of medicine
RA1-1270
Social sciences (General)
H1-99
spellingShingle Wealth index
Life course epidemiology
Social mobility
Public aspects of medicine
RA1-1270
Social sciences (General)
H1-99
Jithin Sam Varghese
Linda S. Adair
Shivani A. Patel
Sonny Agustin Bechayda
Santosh K. Bhargava
Delia B. Carba
Bernardo L. Horta
Natalia P. Lima
Reynaldo Martorell
Ana M.B. Menezes
Shane A. Norris
Linda M. Richter
Manuel Ramirez-Zea
Harshpal Singh Sachdev
Fernando C. Wehrmeister
Aryeh D. Stein
Changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries
description Background: Temporally-harmonized asset-based measures of wealth can be used to study the association of life-course wealth exposures in the same scale with health outcomes in low- and middle-income countries (LMICs). The within-individual longitudinal stability of asset-based indices of wealth in LMICs is poorly understood. Methods: Using data from five birth cohorts from three continents, we developed temporally-harmonized asset indices over the life course through polychoric principal component analysis of a common set of assets collected consistently over time (18 years in Brazil to 50 years in Guatemala). For each cohort, we compared the harmonized index to cross-sectional indices created using more comprehensive asset measures using rank correlations. We evaluated the rank correlation of the harmonized index in early life and adulthood with maternal schooling and own attained schooling, respectively. Results: Temporally-harmonized asset indices developed from a consistently-collected set of assets (range: 10 in South Africa to 30 in Philippines) suggested that mean wealth improved over time for all birth cohorts. Cross-sectional indices created separately for each study wave were correlated with the harmonized index for all cohorts (Brazil: r = 0.78 to 0.96; Guatemala: r = 0.81 to 0.95; India: 0.75 to 0.93; Philippines: r = 0.92 to 0.99; South Africa: r = 0.84 to 0.96). Maternal schooling (r = 0.15 to 0.56) and attained schooling (r = 0.23 to 0.53) were positively correlated with the harmonized asset index in childhood and adulthood respectively. Conclusions: Temporally-harmonized asset indices displayed coherence with cross-sectional indices as well as construct validity with schooling.
format article
author Jithin Sam Varghese
Linda S. Adair
Shivani A. Patel
Sonny Agustin Bechayda
Santosh K. Bhargava
Delia B. Carba
Bernardo L. Horta
Natalia P. Lima
Reynaldo Martorell
Ana M.B. Menezes
Shane A. Norris
Linda M. Richter
Manuel Ramirez-Zea
Harshpal Singh Sachdev
Fernando C. Wehrmeister
Aryeh D. Stein
author_facet Jithin Sam Varghese
Linda S. Adair
Shivani A. Patel
Sonny Agustin Bechayda
Santosh K. Bhargava
Delia B. Carba
Bernardo L. Horta
Natalia P. Lima
Reynaldo Martorell
Ana M.B. Menezes
Shane A. Norris
Linda M. Richter
Manuel Ramirez-Zea
Harshpal Singh Sachdev
Fernando C. Wehrmeister
Aryeh D. Stein
author_sort Jithin Sam Varghese
title Changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries
title_short Changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries
title_full Changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries
title_fullStr Changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries
title_full_unstemmed Changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries
title_sort changes in asset-based wealth across the life course in birth cohorts from five low- and middle-income countries
publisher Elsevier
publishDate 2021
url https://doaj.org/article/5a639f5e9746450a83eed3265028f445
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