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Reliability of a new risk assessment method for visual ergonomics
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.ORCID-id: 0000-0002-2919-3921
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.ORCID-id: 0000-0002-5055-0698
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbetshälsovetenskap och psykologi, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.ORCID-id: 0000-0002-2091-6396
Swedish Work Environment Authority, Stockholm, Sweden.
Vise andre og tillknytning
2019 (engelsk)Inngår i: International Journal of Industrial Ergonomics, ISSN 0169-8141, E-ISSN 1872-8219, Vol. 72, s. 71-79Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Introduction

The Visual Ergonomics Risk Assessment Method (VERAM) is a newly developed and validated method to assess visual ergonomics at workplaces. VERAM consists of a questionnaire and an objective evaluation.

Objective

To evaluate reliability of VERAM by assessing test-retest reliability of the questionnaire, and intra- and inter-rater reliability of the objective evaluation.

Methods

Forty-eight trained evaluators used VERAM to evaluate visual ergonomics at 174 workstations. The time interval for test-retest and intra-rater evaluations was 2–3 weeks, and the time interval for inter-rater evaluations was 0–2 days. Test-retest reliability was assessed by intraclass correlation (ICC), the standard error of measurement (SEM) and the smallest detectable change (SDC). Intra- and inter-rater reliability were assessed with weighted kappa coefficients and absolute agreement. Systematic changes were analysed with repeated measures analyses of variance and Wilcoxon sign rank test.

Results

The ICC of the questionnaire indices ranged from 0.69 to 0.87, while SEM ranged from 7.21 to 10.19 on a scale from 1 to 100, and SDC from 14.42 to 20.37. Intra-rater reliability of objective evaluations ranged from 0.57 to 0.85 (kappa coefficients) and the agreement from 69 to 91%. Inter-rater reliability of objective evaluations ranged from 0.37 to 0.72 (kappa coefficients) and the agreement from 52 to 87%.

Conclusion

VERAM is a reliable instrument for assessing risks in visual work environments. However, the reliability might increase further by improving the quality of training for evaluators. Complementary evaluations of VERAM's sensitivity to changes in the visual environment are needed.

Relevance to industry

It is advantageous to set up a work environment for maximal visual comfort to avoid negative effects on work postures and movements and thus prevent visual- and musculoskeletal symptoms. This method, VERAM, satisfies the need of a valid and reliable tool for determining risks associated with the visual work environment.

sted, utgiver, år, opplag, sider
2019. Vol. 72, s. 71-79
Emneord [en]
eyestrain, musculoskeletal, lighting, illuminance, glare, flicker
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-28745DOI: 10.1016/j.ergon.2019.04.002ISI: 000482508600007Scopus ID: 2-s2.0-85064888978OAI: oai:DiVA.org:hig-28745DiVA, id: diva2:1267604
Forskningsfinansiär
AFA Insurance, 130166Tilgjengelig fra: 2018-12-03 Laget: 2018-12-03 Sist oppdatert: 2020-01-24bibliografisk kontrollert

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Zetterberg, CamillaHeiden, MarinaLindberg, Per

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Totalt: 73 treff
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