Research article
Parametric frailty models for clustered data with arbitrary censoring: application to effect of male circumcision on HPV clearance
1 Department of Population, Family and Reproductive Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
2 Department of Biostatistics, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
3 Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
4 Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
BMC Medical Research Methodology 2010, 10:40 doi:10.1186/1471-2288-10-40
Published: 6 May 2010Additional files
Additional file 1:
Log-linear form of the AFT frailty model
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Additional file 2:
Preparation for estimation using SAS PROC NLMIXED, and the code for estimating male circumcision effect on HR-HPV clearance
Format: PDF Size: 101KB Download file
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