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A replicated field intervention study evaluating the impact of a highly adjustable chair and office ergonomics training on visual symptoms.

Authors
Menendez-CC; Amick-BC III; Robertson-M; Bazzani-L; DeRango-K; Rooney-T; Moore-A
Source
Appl Ergon 2012 Jul; 43(4):639-644
NIOSHTIC No.
20039876
Abstract
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.
Keywords
Ergonomics; Office-workers; Office-equipment; Office-furniture; Training; Human-factors-engineering; Questionnaires; Health-surveys; Statistical-analysis; Vision-disorders; Computers; Eye-strain; Surveillance; Eyesight; Author Keywords: Office ergonomics intervention; Chair; Training; Visual symptoms; Replication; Multi-level modeling
Contact
Cammie Chaumont MenÚndez, National Institute for Occupational Safety and Health, Analytic and Field Evaluations Branch, 1095 Willowdale Rd, MS-1811, Morgantown, WV 26505, USA
CODEN
AERGBW
Publication Date
20120701
Document Type
Journal Article
Email Address
cammiemenendez@yahoo.com
Funding Type
Grant
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T42-OH-008421; B11122011
Issue of Publication
4
ISSN
0003-6870
NIOSH Division
DSR
Priority Area
Construction; Transportation, Warehousing and Utilities
Source Name
Applied Ergonomics
State
WV; TX; MA; ME; MI
Performing Organization
University of Texas, Health Science Center, Houston, Texas
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