Occupational Cohort Time Scales

  title={Occupational Cohort Time Scales},
  author={David C. Deubner and Harold D. Roth},
  booktitle={Journal of occupational and environmental medicine},
PURPOSE This study explores how highly correlated time variables (occupational cohort time scales) contribute to confounding and ambiguity of interpretation. METHODS Occupational cohort time scales were identified and organized through simple equations of three time scales (relational triads) and the connections between these triads (time scale web). The behavior of the time scales was examined when constraints were imposed on variable ranges and interrelationships. RESULTS Constraints on a… CONTINUE READING