Journal of Safety Research “100 years” (2013) 67–75
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Journal of Safety Research
journal homepage: www.elsevier.com/locate/jsr
National Safety Council: www.nsc.org
Reprint of “Factors Apparently Affecting Injury Frequency in Eleven
Matched Pairs of Companies”
Rollin H. Simonds a, Yaghoub Shafai-Sahrai b
a
b
Graduate School of Business, Michigan State University, East Lansing
Army of Iran
a b s t r a c t
Eleven pairs of industrial ﬁrms were selected so that the two members of each pair were in the same state, in
the same industry, of approximately the same size, but had marked differences in work injury frequency.
They were studied for the same period of time. All were visited and their records analyzed to see whether
differences in management involvement in safety, promotional efforts towards safety, work force characteristics, or physical conditions were related with the better or poorer injury records. Factors found to be related
to lower injury frequency rates were: (1) Top management involvement in safety; (2) better injury
recordkeeping systems; (3) use of accident cost analysis; (4) smaller spans of control at foreman level; (5)
recreational programs for employees; (6) higher average age of employees; (7) higher percentage of married
workers; (8) longer average length of employment with the company; (9) roomy and clean shop environment; and (10) more and better safety devices on machinery. Factors not related with injury frequency
were: (1) Efforts to promote safety through workers’ families, and (2) quality and quantity of safety rules.
© 1977 National Safety Council. All rights reserved.
This article is a reprint of a previously published article. For citation purposes, please use the original publication details; J Safety Res, 9(3),
pp. 120–127.
0022-4375/$ – see front matter © 1977 National Safety Council. All rights reserved.
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