WIHS Data Set

The Women’s Interagency HIV Study (WIHS) is an ongoing observational cohort study with semiannual visits at 10 sites in the US. For some details see Barkan et al. This WIHS data was used by Lau et al. in a 2009 paper on competing risks, and is available online.

wihs

Format

A tibble with the following columns.

  • id: patient identifier

  • idu: injection drug use history

  • white: White Race or Non-white Race

  • age: years of age on 12/6/1995

  • cd4: CD4 count in cells/mm^3 measured at last visit before 12/6/1995

  • art: time from 12/6/1995 to ART initiation (missing is censored)

  • study_end: time from 12/6/1995 to end of study (10 years for everyone)

  • dropout: time until patient is lost to follow-up (missing is censored)

  • aids_death: time from 12/6/1995 to first of AIDS or death (missing is censored)

  • aids_death_art: time from 12/6/1995 to first of AIDS, death, or ART initiation (missing is censored)

  • j: indicator that aids_death_art is time until art

References

Barkan SE, Melnick SL, Preston-Martin S, et al. The Women's Interagency HIV Study. WIHS Collaborative Study Group. Epidemiology 1998;9(2):117-25.

Lau B, Cole SR, Gange SJ. Competing risk regression models for epidemiologic data. Am J Epidemiol 2009;170(2):244-56.