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OCMAP-PLUS: a program for the comprehensive analysis of occupational cohort data

G M Marsh1, A O Youk, R A Stone

  • 1Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, PA 15261, USA.

Journal of Occupational and Environmental Medicine
|May 8, 1998
PubMed
Summary

The redesigned Occupational Cohort Mortality Analysis Program (OCMAP-PLUS) enhances occupational health research by providing flexible and efficient analysis of mortality rates and exposure data for improved public health insights.

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Area of Science:

  • Occupational health
  • Epidemiology
  • Biostatistics

Background:

  • Occupational exposure and mortality analyses are critical for understanding workplace health risks.
  • Existing software may have limitations in flexibility, efficiency, and microcomputer compatibility.
  • The Occupational Cohort Mortality Analysis Program (OCMAP) aimed to address these needs.

Purpose of the Study:

  • To present the redesigned Occupational Cohort Mortality Analysis Program, named OCMAP-PLUS.
  • To detail the new features and enhanced capabilities for analyzing occupational cohort mortality.
  • To demonstrate the program's utility in epidemiological research.

Main Methods:

  • OCMAP-PLUS features optimized microcomputer use and new computing algorithms.

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  • Includes capabilities for analyzing incidence or mortality rates and standardized measures.
  • Incorporates stratified analyses, data imputation, and enhanced exposure measure algorithms.
  • New modules support Poisson, logistic, and relative risk regression analyses.
  • Utilizes the Mortality and Population Data System (MPDS) for external comparisons.

    • Main Results:

    • OCMAP-PLUS offers comprehensive, flexible, and efficient analysis of cohort mortality.
    • New features include minimized memory requirements and disk file storage.
    • Stratified analyses by geographic area, employment status, and exposure variables are supported.
    • Enhanced algorithms facilitate the construction of time-dependent exposure measures.
    • Illustrative analyses from two cohort studies showcase the program's advanced functionalities.

    Conclusions:

    • OCMAP-PLUS represents a significant advancement in occupational cohort mortality analysis software.
    • The program's enhanced features improve the efficiency and flexibility of epidemiological studies.
    • OCMAP-PLUS provides robust tools for investigating the relationship between occupational exposures and mortality outcomes.