Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021

Abstract In China and globally, to analyze the temporal trends of HIV incidence and age, period and cohort effects from 1990 to 2021. A Joinpoint regression model was applied to analyze the time-varying trends of standardized HIV incidence rates worldwide and in China from 1990 to 2021, using data f...

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Main Authors: Menghan Wu, Cheng Hong, Zhengdong Dou
Format: Article
Language:English
Published: Nature Portfolio 2025-03-01
Series:Scientific Reports
Subjects:
Online Access:https://doi.org/10.1038/s41598-025-92882-0
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author Menghan Wu
Cheng Hong
Zhengdong Dou
author_facet Menghan Wu
Cheng Hong
Zhengdong Dou
author_sort Menghan Wu
collection DOAJ
description Abstract In China and globally, to analyze the temporal trends of HIV incidence and age, period and cohort effects from 1990 to 2021. A Joinpoint regression model was applied to analyze the time-varying trends of standardized HIV incidence rates worldwide and in China from 1990 to 2021, using data from the Global Burden of Disease Study 2021. The study also explored the effects of age, period, and cohort on HIV incidence trends. From 1990 to 2021, the global standardized incidence of AIDS increased initially and then declined, with females experiencing a higher disease burden than males. In China, the burden was greater in males than females. The age–period–cohort model revealed that the global risk of AIDS incidence peaked between ages 60 and 69, while in China, it was highest between ages 75 and 79. From 1990 to 2021, the global and Chinese standardized incidence rates of AIDS generally followed an increasing trend before declining, with notable gender differences and the highest incidence rates observed in older populations. It is important to address the issues related to AIDS among the elderly and develop targeted health policies to reduce societal burdens and improve public health.
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spelling doaj-art-70715a8ed21149f1b5cfd26d250a5a2a2025-08-20T03:01:41ZengNature PortfolioScientific Reports2045-23222025-03-011511910.1038/s41598-025-92882-0Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021Menghan Wu0Cheng Hong1Zhengdong Dou2School of Public Health, Wannan Medical CollegeSchool of Public Health, Wannan Medical CollegeWuhu Center for Disease Control and PreventionAbstract In China and globally, to analyze the temporal trends of HIV incidence and age, period and cohort effects from 1990 to 2021. A Joinpoint regression model was applied to analyze the time-varying trends of standardized HIV incidence rates worldwide and in China from 1990 to 2021, using data from the Global Burden of Disease Study 2021. The study also explored the effects of age, period, and cohort on HIV incidence trends. From 1990 to 2021, the global standardized incidence of AIDS increased initially and then declined, with females experiencing a higher disease burden than males. In China, the burden was greater in males than females. The age–period–cohort model revealed that the global risk of AIDS incidence peaked between ages 60 and 69, while in China, it was highest between ages 75 and 79. From 1990 to 2021, the global and Chinese standardized incidence rates of AIDS generally followed an increasing trend before declining, with notable gender differences and the highest incidence rates observed in older populations. It is important to address the issues related to AIDS among the elderly and develop targeted health policies to reduce societal burdens and improve public health.https://doi.org/10.1038/s41598-025-92882-0AIDSIncidenceJoinpoint regressionAge–period–cohort
spellingShingle Menghan Wu
Cheng Hong
Zhengdong Dou
Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021
Scientific Reports
AIDS
Incidence
Joinpoint regression
Age–period–cohort
title Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021
title_full Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021
title_fullStr Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021
title_full_unstemmed Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021
title_short Joinpoint regression and age period cohort analysis of global and Chinese HIV incidence trends from 1990 to 2021
title_sort joinpoint regression and age period cohort analysis of global and chinese hiv incidence trends from 1990 to 2021
topic AIDS
Incidence
Joinpoint regression
Age–period–cohort
url https://doi.org/10.1038/s41598-025-92882-0
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AT chenghong joinpointregressionandageperiodcohortanalysisofglobalandchinesehivincidencetrendsfrom1990to2021
AT zhengdongdou joinpointregressionandageperiodcohortanalysisofglobalandchinesehivincidencetrendsfrom1990to2021