Impact of a change from an 8-h to a 12-h shift schedule on workers and occupational injury rates

Mark D. Johnson, Joseph Sharit

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

Many industries find it necessary to operate 24h per day, 7d per week. Traditionally, industries have relied on 8-h work schedules that rotate on a weekly basis. In recent years, industries have begun implementing rotating 12-h schedules. The purpose of this study was to evaluate the impact on a group of production workers of changing from an 8-h to a 12-h rotating schedule. Factors evaluated in the study included the frequency of occupational injuries, the impact on workers' health, social and family life, and their overall schedule preference. Results of the study indicated a strong preference of the workers for the 12-h schedule with positive influences on the workers' subjective feeling toward health and social family life. The study also indicated that there was no significant change in the occupational injury rate. Relevance to industry. Many industries are concerned about adopting an appropriate shift schedule for their workers. This study provides valuable data that these industries could use to support job design strategies with regard to shiftwork.

Original languageEnglish (US)
Pages (from-to)303-319
Number of pages17
JournalInternational Journal of Industrial Ergonomics
Volume27
Issue number5
DOIs
StatePublished - May 1 2001

Keywords

  • Occupational health
  • Rotating shift schedules
  • Safety
  • Shiftwork

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Safety, Risk, Reliability and Quality
  • Human Factors and Ergonomics

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