Evidence map›Paper›PMID 16823398›Full record

ArticleJournal of exposure science & environmental epidemiology2007

Living in a sea of lead--changes in blood- and hand-lead of infants living near a smelter.

David L Simon, Edward J Maynard, Katherine D Thomas

Abstract read
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Article in Journal of exposure science & environmental epidemiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–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

8 citing papers in PubMed.

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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.

David L SimonPublic Health, Department of Health, South Australia 5000, Australia. David.Simon@health.sa.gov.au
Edward J Maynard
Katherine D Thomas

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Thirteen infants born into the lead contaminated environment of Port Pirie, South Australia, were followed approximately monthly from birth until they were about 36 months. Blood-lead levels of infants at birth were similar to their mothers but fell rapidly during the first 35 days of life. Thereafter, infants born with blood-lead levels at about 2-4 microg/dl began a slow linear increase until 14-18 months where a plateau occurred of 10.8-17.2 microg/dl. The blood-lead levels were well correlated with hand-lead loadings of infant (r(2)=0.72, P<0.01, log transformed data) and mother (r(2)=0.62, P<0.01, log transformed data) unless the birth lead level was exceptionally high. The principle factor determining exposure was the impact of smelter emissions on the house. Blood-lead increase was caused by the relatively more rapid increase in dose of lead compared with the increasing body mass, which was related directly to the maturation of motor development. Hand-lead of mothers were closely related to both infants' blood- and hand-lead levels until the point of blood-lead plateau then substantially fell as infants began to walk unaided. The estimated slope factor using the ICRP model was 0.75-0.94 microg/dl per microg/day with a maximum daily dose of 3-5 microg/kg/day, assuming 45% absorption. Ingestion appears to be the most likely route for at least 95% of the dose.

Indexed as

HandEnvironmental MonitoringEnvironmental PollutantsFemaleHumansInfantInfant, NewbornLeadMaleMetallurgyModels, BiologicalMothersSouth AustraliaEnvironmental PollutantsLead

Identifiers

PMID16823398

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.