Cumulative incidence curves for the association between school attendance and incident HIV infection for 2328 young HIV negative women aged 13–23 participating in HPTN068 (2011–2015). A) Unweighted; B) Weighted. Treatment weighted curves accounted for the following covariates: Age, intervention arm, HSV-2, parental involvement, partner age, pregnancy, SES. Solid lines represent patients with low attendance (<80%). Dashed lines represent young women with high attendance (≥80%).