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A replicated field intervention study evaluating the impact of a highly adjustable chair and office ergonomics training on visual symptoms☆
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Oct 24 2011
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Source: Appl Ergon. 43(4):639-644.
[PDF-669.16 KB]
Details:
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Alternative Title:Appl Ergon
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Personal Author:
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Description:Objective
Examine the effects of two office ergonomics interventions in reducing visual symptoms at a private sector worksite.
Methods
A quasi-experimental study design evaluated the effects of a highly adjustable chair with office ergonomics training intervention (CWT group) and the training only (TO group) compared with no intervention (CO group). Data collection occurred 2 and 1 month(s) pre-intervention and 2, 6 and 12 months post-intervention. During each data collection period, a work environment and health questionnaire (covariates) and daily health diary (outcomes) were completed. Multilevel statistical models tested hypotheses.
Results
Both the training only intervention (p < 0.001) and the chair with training intervention (p = 0.01) reduced visual symptoms after 12 months.
Conclusion
The office ergonomics training alone and coupled with a highly adjustable chair reduced visual symptoms. In replicating results from a public sector worksite at a private sector worksite the external validity of the interventions is strengthened, thus broadening its generalizability.
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Source:
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Pubmed ID:22030069
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Pubmed Central ID:PMC4707943
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Funding:
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Volume:43
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Issue:4
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