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PUNAFCC: Stata module to compute population attributable fractions for case-control and survival studies

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Author Info

  • Roger Newson

    () (National Heart and Lung Institute at Imperial College London)

Abstract

punafcc calculates confidence intervals for population attributable and unattributable fractions in case-control or survival studies. punafcc can be used after an estimation command whose parameters are interpreted as log rate ratios, such as logit or logistic for case-control data, or stcox for survival data. It estimates the log of the mean rate ratio, in cases or deaths, between 2 scenarios, a 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. This ratio is known as the population unattributable fraction (PUF), and is subtracted from 1 to derive the population attributable fraction (PAF), defined as the proportion of the cases or deaths attributable to living in Scenario 0 instead of Scenario 1.

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File URL: http://fmwww.bc.edu/repec/bocode/p/punafcc.ado
File Function: program code
Download Restriction: no
File URL: http://fmwww.bc.edu/repec/bocode/p/punafcc_p.ado
File Function: program code
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File URL: http://fmwww.bc.edu/repec/bocode/p/punafcc.sthlp
File Function: help file
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Bibliographic Info

Software component provided by Boston College Department of Economics in its series Statistical Software Components with number S457354.

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Programming language: Stata
Requires: Stata version 12
Date of creation: 29 Oct 2011
Date of revision: 19 Apr 2013
Handle: RePEc:boc:bocode:s457354

Note: This module should be installed from within Stata by typing "ssc install punafcc". Windows users should not attempt to download these files with a web browser.
Contact details of provider:
Postal: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA
Phone: 617-552-3670
Fax: +1-617-552-2308
Email:
Web page: http://fmwww.bc.edu/EC/
More information through EDIRC

Order Information:
Web: http://repec.org/docs/ssc.php

Related research

Keywords: confidence intervals; population attributable fractions; case-control studies; survival studies;

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