Predictors of breast feeding duration among 333 mother-child pairs randomized to the control group surviving HIV-free and still breastfeeding at 4 months.

*Less severe disease was defined as CD4 counts >350 cells/µL during pregnancy or if between 200 and 349 cells/µL had to be classified as WHO stage II or less; more severe disease was defined as CD4 count <200 cells/µL or if CD4 count 200–349 cells/µL had to be classified as WHO stage III or greater.