Evidence map›Paper›PMID 40267031›Full record

SynthesisPloS one2025

Relative income and its relationship with mental health in UK employees: A systematic review.

Bethany Croak, Laura E Grover, Simon Wessely, Kalpa Kharicha, Danielle Lamb, Sharon A M Stevelink

Abstract readSystematic Review
In one paragraph

Synthesis in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Thriving from Work Questionnaire: Validation of a Measure of Worker Wellbeing Among Older U.S. Workers.International journal of environmental research and public health · 2025
    Article
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

6 authors.

Bethany CroakDepartment of Psychological Medicine, King's College London, London, United Kingdom.ORCID 0000-0002-6486-8154
Laura E GroverKing's Centre for Military Health Research, King's College London, London, United Kingdom.ORCID 0000-0001-6857-2601
Simon WesselyKing's Centre for Military Health Research, King's College London, London, United Kingdom.
Kalpa KharichaHealth & Social Care Workforce Research Unit, The Policy Institute, King's College London, London, United Kingdom.
Danielle LambDepartment of Primary Care and Population Health, UCL, London, United Kingdom.
Sharon A M StevelinkDepartment of Psychological Medicine, King's College London, London, United Kingdom.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe relative income hypothesis theorises that one's earnings relative to others exert a greater influence on subjective wellbeing than absolute income. Understanding the relationship between relative income and mental health could contribute to employee wellbeing. This review aimed to summarise the defining features of relative income in relation to mental health and how it is measured in the literature. In addition, it aimed to explore the relationship between relative income and mental health in those currently employed in the UK.

methodsNine electronic databases were searched using a pre-defined search strategy: PubMed (including MEDLINE and PubMed Central), PsycINFO, Scopus, Web of Science, Global Health, JSTOR, Business Source Complete (EBSCO), ScienceDirect and Emerald. The protocol was pre-registered on PROSPERO (CRD42023408657). Quantitative and qualitative studies and grey literature, which described the defining features and measurement of relative income and its impact on mental health among UK employees, were included.

resultsAfter screening, 13 studies were included in the review. A conceptualisation of relative income revealed that an income comparison is either researcher-defined using averages or self-assessed based on a person's perception. Having a lower income than the reference group was commonly associated with diminished wellbeing, though moderating factors (gender, income inequality and composition of reference group) were identified.

conclusionsHaving a lower income than the reference group is associated with poorer wellbeing. Implications for practice and policy are considered amidst the UK's 'cost of living crisis' and ongoing pay disputes in various sectors.

Indexed as

EmploymentIncomeMental HealthFemaleHumansMaleUnited Kingdom

Identifiers

PMID40267031
PMCPMC12017527

What OpenQuestion holds

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LicenceCC BY
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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.