Fig 1.
Logic tree with each of the vertical acquisition side branches and sexual acquisition side branches to final MOHA determination.
Table 1.
Descriptive statistics of cohort adolescents living with HIV (N = 1107), and young mothers added at Wave 3 (N = 214).
Table 2.
Original HIV mode of acquisition allocation based on an age cut-off of 10 years and an adjusted allocation incorporating the logic tree decision-making algorithm for the adolescent cohort (non-mothers), adolescent cohort (mothers) and additional mothers.
Table 3.
Frequency of adolescents’ exit branch by mode of HIV acquisition determined by logic tree.
Table 4.
Average number of affirmative answers to each logic tree branch after adolescents are filtered into the vertical or sexual logic tree.
Table 5.
Calculation of optimal cut-off age through validation against logic tree determination for the cohort adolescents.
Fig 2.
Receiver Operating Characteristic (ROC) curves for the 6 MOHA age cut-offs in the cohort.
Receiver Operating Characteristic (ROC) Curves for the 6 MOHA age cut-offs in the cohort with their respective area under the curve (AUC) values.
Fig 3.
Receiver Operating Characteristic (ROC) curves for the 6 MOHA age cut-offs in the additional young mothers.
Receiver Operating Characteristic (ROC) Curves for the 6 MOHA age cut-offs in the additional young mothers with their respective area under the curve (AUC) values.
Table 6.
Calculation of optimal cut-off age through validation against logic tree determination for the additional young mothers.