Evidence map›Paper›PMID 33087373›Full record

ArticleBMJ open2020

Effect of concussion on salary and employment: a population-based event time study using a quasi-experimental design.

Peter Fallesen, Benito Campos

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in BMJ open, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05562232 (The Effect of Creatine Monohydrate on Persistent Post-concussive Symptoms - a Pilot Study Protocol), which is not on this map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.6field-weighted citation impact, top 15% 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.

NCT05562232 naunknown statusnot on this mapstarted 2023, after this paper: background citation

The Effect of Creatine Monohydrate on Persistent Post-concussive Symptoms - a Pilot Study Protocol

TypeinterventionalSponsorPsychiatric Research Unit, Region Zealand, DenmarkRan2023 to 2024Enrolled45ConditionsMild Traumatic Brain Injury, Concussion, BrainArmsCreatine Monohydrate
3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 26 citations in OpenAlex.

  1. Concussion: A Comprehensive Review of Current Evidence.Current reviews in musculoskeletal medicine · 2026
    Review
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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

2 authors at 2 institutions in 3 countries.

Peter FallesenSwedish Institute for Social Research, Stockholm University, Stockholm, Sweden peter.fallesen@sofi.su.se.
Benito CamposDepartment of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany.ORCID 0000-0001-7243-8333
Heidelberg University · DEStockholm University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveConcussions are the most frequent traumatic brain injuries. Yet, the socioeconomic impact of concussions remains unclear. Socioeconomic effects of concussions on working-age adults were studied on a population scale.

designThis population-based, event time study uses administrative data as well as hospital and emergency room records for the population of Denmark.

settingWe study all Danish patients, aged 20-59 years, who were treated at a public hospital or at an emergency room between 2003 and 2017 after suffering a concussion without other intracranial or extracranial injuries (n=55 424 unique individuals). None of the patients had a prior diagnosis of intracranial or extracranial injuries within the past 10 years leading up to the incident. PRIMARY AND SECONDARY OUTCOME MEASURES: As primary endpoint, we investigate the mean effect of concussion on annual salaried income within a 5-year period after trauma. In an exploratory analysis, we study whether the potential impact of concussion on annual salaried income is driven by patient age, education or economic cycle.

resultsConcussion was associated with an average change in annual salary income of -€1223 (95% CI: -€1540 to -905, p<0.001) corresponding to a salary change of -4.2% (95% CI: -5.2% to -3.1 %). People between 30 and 39 years and those without high school degrees suffered the largest salary decreases. Affected individuals leaving the workforce drove the main part of the decrease. Absolute annual effect sizes were countercyclical to the unemployment rate.

conclusionsConcussions have a large and long-lasting impact on salary and employment of working-age adults on a nationwide scale.

Indexed as

Athletic InjuriesBrain ConcussionEmploymentAdultHumansMiddle AgedResearch DesignSalaries and Fringe BenefitsTime and Motion StudiesYoung Adulthealth economicsneurosurgerytrauma management

Identifiers

PMID33087373
PMCPMC7580067
OpenAlexW3093835720

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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.