Evidence map›Paper›PMID 27687528›Full record

ArticleInternational journal of occupational and environmental health2016

Respiratory health effects of occupational exposure to charcoal dust in Namibia.

Ndinomholo Hamatui, Rajen N Naidoo, Nnenesi Kgabi

Abstract read
In one paragraph

Article in International journal of occupational and environmental health, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

9 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Charcoal maker's pneumoconiosis.Respirology case reports · 2022
    Article
  5. Article
  6. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Ndinomholo Hamatuia Department of Health Sciences , Namibia University of Science and Technology , Windhoek , Namibia.ORCID 0000-0002-6397-8597
Rajen N Naidoob Discipline of Occupational and Environmental Health , University of KwaZulu-Natal , Durban , South Africa.ORCID 0000-0002-2318-4004
Nnenesi Kgabic Department of Civil and Environmental Engineering , Namibia University of Science and Technology , Windhoek , Namibia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCharcoal processing activities can increase the risk of adverse respiratory outcomes.

objectiveTo determine dose-response relationships between occupational exposure to charcoal dust, respiratory symptoms and lung function among charcoal-processing workers in Namibia.

methodsA cross-sectional study was conducted with 307 workers from charcoal factories in Namibia. All respondents completed interviewer-administered questionnaires. Spirometry was performed, ambient and respirable dust levels were assessed in different work sections. Multiple logistic regression analysis estimated the overall effect of charcoal dust exposure on respiratory outcomes, while linear regression estimated the exposure-related effect on lung function. Workers were stratified according to cumulative dust exposure category.

resultsExposure to respirable charcoal dust levels was above occupational exposure limits in most sectors, with packing and weighing having the highest dust exposure levels (median 27.7 mg/m

conclusionsCharcoal dust levels exceeded the US OSHA recommended limit of 3.5 mg/m

Indexed as

AdultAir Pollutants, OccupationalCharcoalCross-Sectional StudiesDose-Response Relationship, DrugDustEnvironmental MonitoringFemaleForced Expiratory VolumeHumansInhalation ExposureMaleNamibiaOccupational DiseasesOccupational ExposureOdds RatioAir Pollutants, OccupationalCharcoalDustExposureLung impairment and respiratory symptomsNamibiaRespirable charcoal dust

Identifiers

PMID27687528
PMCPMC5102234

What OpenQuestion holds

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Registered trials

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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.