SAS

Use of SAS for Epidemiologists

Below are .pdf files that provide details on the use of selected SAS PROCs.  They were developed as teaching tools for graduate level courses.  Ideally these documents will undergo continual improvements, so if you have any questions, comments, or suggestions, please contact us at Epi.Centre.Org@gmail.com.  Click on the links below to view/download the files:

Use of SAS PROC FREQ for Epidemiologists    (79 pages) Updated May 13 2026

Use of SAS PROC LOGISTIC for Epidemiologists    (80 pages) Updated May 13 2026

Use of SAS PROC SURVEYFREQ for Epidemiologists   (31 pages) Updated May 13 2026

Use of SAS PROC SURVEYLOGISTIC for Epidemiologists   (16 pages) Updated May 13 2026

Use of SAS PROC GENMOD for Epidemiologists   (49 pages) Updated May 13 2026

Use of SAS PROC LIFETEST, PHREG, and GENMOD with Person-Time Analysis for Epidemiologists   (25 pages) Updated May 13 2026

SAS macros for person-time data tabular analysis

Macros to analyze person-time data using tabular analyses

Analysis of a single rate Updated May 13 2026

Analysis of a 2x2 table with person-time data - Updated May 13 2026

Analysis of stratified 2x2 tables with person-time data - to be added

SAS macros for Mid-P calculations

MIP-P FOR COMPARING 2 SMRs.sas 

MID-P FOR SMR EQUAL TO 1.sas

MID-P FOR SINGLE PROPORTION.sas

MID-P FOR INCIDENCE DENSITY RATE.sas

MID-P FOR COMPARING 2 RATES.sas

MID-P FOR COMPARING 2 PROPORTIONS.sas