Malnutrition among the aged population in Africa: A systematic review, meta-analysis, and meta-regression of studies over the past 20 years
Nowadays, malnutrition among the advanced age (60 years and older) population is becoming a public health problem worldwide, especially in low-income countries including Africa. Hence, the prevalence in Africa is still not known. So, this review aimed to assess the pooled prevalence of under-nutriti...
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| description | Nowadays, malnutrition among the advanced age (60 years and older) population is becoming a public health problem worldwide, especially in low-income countries including Africa. Hence, the prevalence in Africa is still not known. So, this review aimed to assess the pooled prevalence of under-nutrition among the advanced age population in Africa.
A study search was carried out using databases (such as African Journals Online, Web of Science, Global Index Medicus, Embess, and PubMed) and gray literature following PRISMA guidelines from April 20, 2022, to May 30, 2022, with no restriction on date of publication. We used a standardized extraction format to compile eligible studies as per the inclusion criteria. Then, systematic review and meta-analysis were employed using a random effect model to obtain the pooled prevalence of malnutrition among aged population living in Africa. The counter-funnel plot and at the 5% significance level, Egger's test and Begg's test were used to check for publication bias. Furthermore, a meta-regression analysis was carried out to identify the relationship between the outcome of interest and different predictors.
A total of 731 studies were identified and 28 met the inclusion criteria, which were conducted in 17 African countries. The pooled prevalence of under-nutrition in Africa was 17% (95%CI; 13.5-20.6). The prevalence of malnutrition among the elderly varied significantly across countries, ranging from 1.8% (95% CI; 0.96-2.63) in South Africa to 39.47% (95% CI; 31.70-47.24) in Kenya. According to meta-regression analysis, the likelihood of a malnutrition problem would be reduced by a factor of 9.84 (β = -9.84, 95 percent CI; _-14.97, -4.70, P = 0.00) in upper-middle income countries. In addition, based on the publication year, malnutrition has decreased by a factor of 0.75 (β = -0.75, 95%CI:-1.49, -0.01, P = 0.04) from 1998 to 2021.
There is a high prevalence of malnutrition among the aged population. So, this underserved population should be targeted for intervention programs and/or integrated into maternal and child nutrition programs. |
| doi_str_mv | 10.1371/journal.pone.0278904 |
| format | Article |
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A study search was carried out using databases (such as African Journals Online, Web of Science, Global Index Medicus, Embess, and PubMed) and gray literature following PRISMA guidelines from April 20, 2022, to May 30, 2022, with no restriction on date of publication. We used a standardized extraction format to compile eligible studies as per the inclusion criteria. Then, systematic review and meta-analysis were employed using a random effect model to obtain the pooled prevalence of malnutrition among aged population living in Africa. The counter-funnel plot and at the 5% significance level, Egger's test and Begg's test were used to check for publication bias. Furthermore, a meta-regression analysis was carried out to identify the relationship between the outcome of interest and different predictors.
A total of 731 studies were identified and 28 met the inclusion criteria, which were conducted in 17 African countries. The pooled prevalence of under-nutrition in Africa was 17% (95%CI; 13.5-20.6). The prevalence of malnutrition among the elderly varied significantly across countries, ranging from 1.8% (95% CI; 0.96-2.63) in South Africa to 39.47% (95% CI; 31.70-47.24) in Kenya. According to meta-regression analysis, the likelihood of a malnutrition problem would be reduced by a factor of 9.84 (β = -9.84, 95 percent CI; _-14.97, -4.70, P = 0.00) in upper-middle income countries. In addition, based on the publication year, malnutrition has decreased by a factor of 0.75 (β = -0.75, 95%CI:-1.49, -0.01, P = 0.04) from 1998 to 2021.
There is a high prevalence of malnutrition among the aged population. So, this underserved population should be targeted for intervention programs and/or integrated into maternal and child nutrition programs.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0278904</identifier><identifier>PMID: 36490275</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Aged ; Bias ; Biology and Life Sciences ; Body mass index ; Child ; Confidence intervals ; Criteria ; Demographic aspects ; Developing countries ; Family ; Geriatrics ; Health aspects ; Human nutrition ; Humans ; Income ; Kenya ; LDCs ; Malnutrition ; Malnutrition - epidemiology ; Medical ethics ; Medicine and Health Sciences ; Meta-analysis ; Middle Aged ; Nutrition ; Nutritional Status ; People and Places ; Physiological aspects ; Prevalence ; Public health ; Regression analysis ; Research and Analysis Methods ; Reviews ; Risk factors ; Science Policy ; Sensitivity analysis ; Systematic review</subject><ispartof>PloS one, 2022-12, Vol.17 (12), p.e0278904-e0278904</ispartof><rights>Copyright: © 2022 Ewunie et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</rights><rights>COPYRIGHT 2022 Public Library of Science</rights><rights>2022 Ewunie et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2022 Ewunie et al 2022 Ewunie et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-89768661c7e89f9157b970fe7e1f3a513cf4c13ac65c723534014fbe28adc2d23</citedby><cites>FETCH-LOGICAL-c692t-89768661c7e89f9157b970fe7e1f3a513cf4c13ac65c723534014fbe28adc2d23</cites><orcidid>0000-0002-2922-1881 ; 0000-0001-5661-8537</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9733888/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9733888/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2100,2926,23865,27923,27924,53790,53792,79371,79372</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36490275$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Mekonnen, Tefera Chane</contributor><creatorcontrib>Ewunie, Temesgen Muche</creatorcontrib><creatorcontrib>Hareru, Habtamu Endashaw</creatorcontrib><creatorcontrib>Dejene, Tadesse Mamo</creatorcontrib><creatorcontrib>Abate, Semagn Mekonen</creatorcontrib><title>Malnutrition among the aged population in Africa: A systematic review, meta-analysis, and meta-regression of studies over the past 20 years</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Nowadays, malnutrition among the advanced age (60 years and older) population is becoming a public health problem worldwide, especially in low-income countries including Africa. Hence, the prevalence in Africa is still not known. So, this review aimed to assess the pooled prevalence of under-nutrition among the advanced age population in Africa.
A study search was carried out using databases (such as African Journals Online, Web of Science, Global Index Medicus, Embess, and PubMed) and gray literature following PRISMA guidelines from April 20, 2022, to May 30, 2022, with no restriction on date of publication. We used a standardized extraction format to compile eligible studies as per the inclusion criteria. Then, systematic review and meta-analysis were employed using a random effect model to obtain the pooled prevalence of malnutrition among aged population living in Africa. The counter-funnel plot and at the 5% significance level, Egger's test and Begg's test were used to check for publication bias. Furthermore, a meta-regression analysis was carried out to identify the relationship between the outcome of interest and different predictors.
A total of 731 studies were identified and 28 met the inclusion criteria, which were conducted in 17 African countries. The pooled prevalence of under-nutrition in Africa was 17% (95%CI; 13.5-20.6). The prevalence of malnutrition among the elderly varied significantly across countries, ranging from 1.8% (95% CI; 0.96-2.63) in South Africa to 39.47% (95% CI; 31.70-47.24) in Kenya. According to meta-regression analysis, the likelihood of a malnutrition problem would be reduced by a factor of 9.84 (β = -9.84, 95 percent CI; _-14.97, -4.70, P = 0.00) in upper-middle income countries. In addition, based on the publication year, malnutrition has decreased by a factor of 0.75 (β = -0.75, 95%CI:-1.49, -0.01, P = 0.04) from 1998 to 2021.
There is a high prevalence of malnutrition among the aged population. So, this underserved population should be targeted for intervention programs and/or integrated into maternal and child nutrition programs.</description><subject>Aged</subject><subject>Bias</subject><subject>Biology and Life Sciences</subject><subject>Body mass index</subject><subject>Child</subject><subject>Confidence intervals</subject><subject>Criteria</subject><subject>Demographic aspects</subject><subject>Developing countries</subject><subject>Family</subject><subject>Geriatrics</subject><subject>Health aspects</subject><subject>Human nutrition</subject><subject>Humans</subject><subject>Income</subject><subject>Kenya</subject><subject>LDCs</subject><subject>Malnutrition</subject><subject>Malnutrition - epidemiology</subject><subject>Medical ethics</subject><subject>Medicine and Health Sciences</subject><subject>Meta-analysis</subject><subject>Middle Aged</subject><subject>Nutrition</subject><subject>Nutritional Status</subject><subject>People and 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Chane</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Malnutrition among the aged population in Africa: A systematic review, meta-analysis, and meta-regression of studies over the past 20 years</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2022-12-09</date><risdate>2022</risdate><volume>17</volume><issue>12</issue><spage>e0278904</spage><epage>e0278904</epage><pages>e0278904-e0278904</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Nowadays, malnutrition among the advanced age (60 years and older) population is becoming a public health problem worldwide, especially in low-income countries including Africa. Hence, the prevalence in Africa is still not known. So, this review aimed to assess the pooled prevalence of under-nutrition among the advanced age population in Africa.
A study search was carried out using databases (such as African Journals Online, Web of Science, Global Index Medicus, Embess, and PubMed) and gray literature following PRISMA guidelines from April 20, 2022, to May 30, 2022, with no restriction on date of publication. We used a standardized extraction format to compile eligible studies as per the inclusion criteria. Then, systematic review and meta-analysis were employed using a random effect model to obtain the pooled prevalence of malnutrition among aged population living in Africa. The counter-funnel plot and at the 5% significance level, Egger's test and Begg's test were used to check for publication bias. Furthermore, a meta-regression analysis was carried out to identify the relationship between the outcome of interest and different predictors.
A total of 731 studies were identified and 28 met the inclusion criteria, which were conducted in 17 African countries. The pooled prevalence of under-nutrition in Africa was 17% (95%CI; 13.5-20.6). The prevalence of malnutrition among the elderly varied significantly across countries, ranging from 1.8% (95% CI; 0.96-2.63) in South Africa to 39.47% (95% CI; 31.70-47.24) in Kenya. According to meta-regression analysis, the likelihood of a malnutrition problem would be reduced by a factor of 9.84 (β = -9.84, 95 percent CI; _-14.97, -4.70, P = 0.00) in upper-middle income countries. In addition, based on the publication year, malnutrition has decreased by a factor of 0.75 (β = -0.75, 95%CI:-1.49, -0.01, P = 0.04) from 1998 to 2021.
There is a high prevalence of malnutrition among the aged population. So, this underserved population should be targeted for intervention programs and/or integrated into maternal and child nutrition programs.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>36490275</pmid><doi>10.1371/journal.pone.0278904</doi><tpages>e0278904</tpages><orcidid>https://orcid.org/0000-0002-2922-1881</orcidid><orcidid>https://orcid.org/0000-0001-5661-8537</orcidid><oa>free_for_read</oa></addata></record> |
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| recordid | cdi_plos_journals_2748823093 |
| source | MEDLINE; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Public Library of Science (PLoS); PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Aged Bias Biology and Life Sciences Body mass index Child Confidence intervals Criteria Demographic aspects Developing countries Family Geriatrics Health aspects Human nutrition Humans Income Kenya LDCs Malnutrition Malnutrition - epidemiology Medical ethics Medicine and Health Sciences Meta-analysis Middle Aged Nutrition Nutritional Status People and Places Physiological aspects Prevalence Public health Regression analysis Research and Analysis Methods Reviews Risk factors Science Policy Sensitivity analysis Systematic review |
| title | Malnutrition among the aged population in Africa: A systematic review, meta-analysis, and meta-regression of studies over the past 20 years |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-11T19%3A11%3A41IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Malnutrition%20among%20the%20aged%20population%20in%20Africa:%20A%20systematic%20review,%20meta-analysis,%20and%20meta-regression%20of%20studies%20over%20the%20past%2020%20years&rft.jtitle=PloS%20one&rft.au=Ewunie,%20Temesgen%20Muche&rft.date=2022-12-09&rft.volume=17&rft.issue=12&rft.spage=e0278904&rft.epage=e0278904&rft.pages=e0278904-e0278904&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0278904&rft_dat=%3Cgale_plos_%3EA729468588%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2748823093&rft_id=info:pmid/36490275&rft_galeid=A729468588&rft_doaj_id=oai_doaj_org_article_d00f97548291470c9e4c211710fb573b&rfr_iscdi=true |