Examining the relationship between job design and worker strain over time in a sample of office workers

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Abstract
This study examines relationships between job design variables and worker strain. Office workers from a public service organization participated in a three-year study. Once during each of the three years, the same questionnaire was handed out to the subjects to examine job design and worker strain. The results indicate that the bivariate relationships between job design and worker strain change over time. At round 1, quantitative workload, work pressure and supervisor social support were the most important predictors of the worker strain variables. At round 2, task clarity, supervisor social support, and job future ambiguity were the most important predictors of worker strain. At round 3, task clarity, attention, and job future ambiguity were the most consistent predictors of worker strain. The results of the canonical correlation analysis were relatively similar for rounds 1 and 3, but not for round 2. There appears to be some consistency in the overall underlying structure of the relationships between job design and worker strain, but there is also some inconsistency in terms of which specific job design factors are related to specific measures of worker strain.