Evidence map›Paper›PMID 26788760›Full record

ArticleAmerican journal of respiratory and critical care medicine2016

Noncommunicable Lung Disease in Sub-Saharan Africa. A Community-based Cross-Sectional Study of Adults in Urban Malawi.

Jamilah Meghji, Gilbert Nadeau, Kourtney J Davis, Duolao Wang, Moffat J Nyirenda, Stephen B Gordon, Kevin Mortimer

Open access · greenAbstract read
In one paragraph

Article in American journal of respiratory and critical care medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
68citing papers in PubMed, 5 pooled it
8.7field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

68 citing papers in PubMed, 5 syntheses or guidelines pooled it, 93 citations in OpenAlex.

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  13. Global disparities in chronic dyspnoea prevalence in population-based studies: a comprehensive literature review.European respiratory review : an official journal of the European Respiratory Society · 2026
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8 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 5 institutions in 4 countries.

Jamilah Meghji1 Wellcome Trust Liverpool Glasgow Centre for Global Health Research, University of Liverpool, Liverpool, United Kingdom.ORCID 0000-0002-4693-8884
Gilbert Nadeau3 Medical Affairs, GSK Canada, Mississauga, Ontario, Canada.
Kourtney J Davis4 Worldwide Epidemiology, GSK R&D, Collegeville, Pennsylvania.
Duolao Wang2 Liverpool School of Tropical Medicine, Liverpool, United Kingdom.
Moffat J Nyirenda5 London School of Hygiene & Tropical Medicine, London, United Kingdom; and.
Stephen B Gordon2 Liverpool School of Tropical Medicine, Liverpool, United Kingdom.
Kevin Mortimer2 Liverpool School of Tropical Medicine, Liverpool, United Kingdom.ORCID 0000-0002-8118-8871
University of Liverpool · GBGlaxoSmithKline (Canada) · CALiverpool School of Tropical Medicine · GBLondon School of Hygiene & Tropical Medicine · GBWorldwide Clinical Trials (United States) · US

Funding

Medical Research Council MR/L002515/1Medical Research Council MR/L009242/1Wellcome TrustWellcome Trust 085790/Z/08/ZWellcome Trust 106065/Z/14/A
6 · The paper itself

Abstract

rationaleNoncommunicable diseases are major causes of morbidity and mortality in sub-Saharan Africa (sSA). Valid burden of disease estimates are lacking for noncommunicable lung disease in sSA.

objectivesWe performed a community-based survey to determine the prevalence of chronic lung disease among adults 18 years or older in Malawi, using American Thoracic Society standard spirometry, internationally validated respiratory symptom and exposure questionnaires, and an assessment of HIV status.

methodsAn age- and sex-stratified random sample of 2,000 adults was taken from the population of the Chilomoni district of Blantyre, Malawi. Fieldworkers collected questionnaire data, conducted HIV testing, and performed pre- and post-bronchodilator spirometry on eligible participants. Survey-weighted population prevalence estimates of respiratory symptoms and spirometric abnormalities were computed, and bivariate and multivariable regression were used to identify associated variables. MEASUREMENTS AND MAIN

resultsQuestionnaire data, HIV status, and standard spirometry were obtained from 1,059, 933, and 749 participants, respectively. Current respiratory symptoms, exposure to biomass, and ever-smoking were reported by 11.8, 85.2, and 10.4% of participants, respectively. HIV prevalence was 24.2%. Moderate to severe airway obstruction was seen in 3.6%. The prevalence of spirometric restriction was 38.6% using National Health and Nutrition Examination Survey III reference ranges and 9.0% using local reference ranges. Age was positively associated with obstruction, whereas low body mass index was associated with restriction.

conclusionsMore than 40% of the Malawian adults in our urban population sample had abnormal lung function (mostly restrictive) in the context of widespread exposure to biomass smoke and a high prevalence of HIV. These findings potentially have major public health implications for Malawi and the broader sSA region.

Indexed as

AdolescentAdultCross-Sectional StudiesFemaleHumansLung DiseasesMalawiMaleRisk FactorsSpirometrySurveys and QuestionnairesUrban PopulationYoung AdultbiomassCOPDlung functionnoncommunicable diseasesub-Saharan Africa

Identifiers

PMID26788760
PMCPMC4960629
OpenAlexW2254275826

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.