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Effect of workers' shoe wear on objective and subjective assessment of slipperiness.

Authors
Chiou-Y; Bhattacharya-A; Succop-PA
Source
Am Ind Hyg Assoc J 1996 Sep; 57(9):825-831
NIOSHTIC No.
00233713
Abstract
The contributions of environmental lighting, surface oiliness, degree of shoe wear, and foot type (right or left) on objective and subjective assessments of floor surface slipperiness was investigated. Twelve male industrial workers participated as subjects in the assessment of these parameters. Data were collected by the force platform technique and analyzed using the repeated measure analysis of variance. Dynamic coefficient of friction (COF) values of new shoes and subjective ratings decreased with increasing surface oiliness. Old shoes provided significantly higher dynamic COF values than new shoes under slightly oily conditions. The surface effect was significantly and strongly associated with subjective ratings and the shoe factor interacted significantly with foot type (left or right) and surface contamination. Mean subjective ratings of slightly oily conditions were significantly different than those of medium or very oily surfaces. The only significant correlation between dynamic COF and subjective ratings was seen for old right shoes under medium oily conditions. Right shoes showed greater asymmetric wear than left shoes. Decreasing the percent of tread on the sole of the shoe significantly increased dynamic COF values for slightly oily surfaces. The available tread pattern was affected by increased shoe hardness only when data from the most deteriorated old shoes were included in the analysis. The authors conclude that subjective assessments must be considered in evaluations of floor slipperiness.
Keywords
Footwear; Biomechanics; Occupational-accidents; Walking-surfaces
Contact
Environmental Health University of Cincinnati 3223 Eden Ave Cincinnati, OH 45267-0056
CODEN
AIHAAP
Publication Date
19960901
Document Type
Journal Article
Funding Amount
632805
Funding Type
Grant
Fiscal Year
1996
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-03079
Issue of Publication
9
ISSN
0002-8894
Source Name
American Industrial Hygiene Association Journal
State
OH
Performing Organization
University of Cincinnati, College of Medicine, Cincinnati, Ohio
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