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Record W2049832813 · doi:10.1088/0952-4746/22/1/104

Healthy worker effect

2002· letter· en· W2049832813 on OpenAlexaboutno aff
D McGeoghegan

Bibliographic record

VenueJournal of Radiological Protection · 2002
Typeletter
Languageen
FieldMedicine
TopicRadiation Dose and Imaging
Canadian institutionsnot available
Fundersnot available
KeywordsEnvironmental healthComputer scienceMedicine

Abstract

fetched live from OpenAlex

Dear Sir Whilst I appreciate the concerns that Barrie Skelcher may have with regard to the healthy worker effect (HWE), may I assure him that it is not fundamental to understanding the risks from radiation exposure. Not only is the HWE much quoted, it is a much studied and multifaceted phenomenon in occupational epidemiology. It is a bias induced by comparing the worker population with the national population, often resulting in lower than expected SMRs and/or SRRs, and is not peculiar to occupational studies of nuclear workers. As these comparisons are known to be subject to bias, the SMRs and/or SRRs must be interpreted with caution. The evidence for a statistical association between health outcome and exposure arises, however, out of the trend tests. These tests are `internal', i.e. they are not dependent on any external population and hence are unaffected by the HWE. If Barrie accepts the Popperian philosophy that hypotheses cannot be proved right but can only be discredited, then, to cast doubts on the utility of the linear non-threshold (LNT) hypothesis it is necessary to show that either the dose response is non-linear at low doses and/or that there is a threshold below which there is no dose response. Because radiation-induced diseases do not leave a `marker' to distinguish them from non-radiation induced diseases, epidemiological studies are unlikely to invalidate the LNT hypothesis in the foreseeable future. Barrie may note that this argument does not depend on the existence of the HWE. If a study does not find any detrimental effects on health resulting from radiation exposure, the HWE cannot therefore be `wheeled out' to explain this so called anomaly with the LNT hypothesis. The reasons that some studies are unable to demonstrate a dose response is more to do with the power of the study. The power of the study is dependent on such factors as the number of participants in the study, the number of years that they have been followed up for and, of course, the exposures that the participants have encountered. Yours faithfully,

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesResearch integrity
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Commentary · Consensus signal: Commentary
Teacher disagreement score0.192
Threshold uncertainty score0.998

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0010.004
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.040
GPT teacher head0.285
Teacher spread0.245 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designNot applicable
Domainnot available
GenreCommentary

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations2
Published2002
Admission routes1
Has abstractyes

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