Subject Characteristics at Initial Study Observation^* by HIV-Status.

* Initial study observation refers to the current analysis rather than the initial WIHS visit. 1Cells may not sum to N due to missing data. ^Chi-square p-value is reported unless specified otherwise. Fisher’s exact test used when cell size <5. ǂ Kruskal-Wallis equality of populations test. + $75,000 is maximum income reported. $ Oral contraception and Depo-Provera are both reported by the same woman. # Only 2 other types of hormonal birth control were reported. Ortho Evra and Norplant were reported at 3 and at 1 observation, respectively, and were not evaluated in analyses. Subject Characteristics at Initial Study Observation* by HIV-Status.