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PUNAF: Stata module to compute population attributable fractions for cohort studies

Author

Listed:
  • Roger Newson

    (King's College London)

Programming Language

Stata

Abstract

punaf calculates confidence intervals for population attributable fractions, and also for scenario means and their ratio, known as the population unattributable fraction. punaf can be used after an estimation command whose predicted values are interpreted as conditional arithmetic means, such as logit, logistic, poisson, or glm. It estimates the logs of two scenario means, the baseline scenario ("Scenario 0") and a fantasy scenario ("Scenario 1"), in which one or more exposure variables are assumed to be set to particular values (typically zero), and any other predictor variables in the model are assumed to remain the same. It also estimates the log of the ratio of the Scenario 1 mean to the Scenario 0 mean. This ratio is known as the population unattributable fraction, and is subtracted from 1 to derive the population attributable fraction, defined as the proportion of the mean of the outcome variable attributable to living in Scenario 0 instead of Scenario 1.

Suggested Citation

  • Roger Newson, 2010. "PUNAF: Stata module to compute population attributable fractions for cohort studies," Statistical Software Components S457193, Boston College Department of Economics, revised 04 Sep 2015.
    • Handle: RePEc:boc:bocode:s457193
    Note: This module should be installed from within Stata by typing "ssc install punaf". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
    as

    Download full text from publisher

    File URL: http://fmwww.bc.edu/repec/bocode/p/punaf.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/p/punaf_p.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/p/punaf.sthlp
    File Function: help file
    Download Restriction: no
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