Browsing Research Publications by Author "Xu, Yizhen"

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Inference for BART with multinomial outcomes

Xu, Yizhen; Hogan, Joseph W; Daniels, Michael J; Kantor, Rami; Mwangi, Ann (Moi University, 2022-08-12)

The multinomial probit Bayesian additive regression trees (MP- BART) framework was proposed by [9] (KD), approximating the latent util- ities in the multinomial probit (MNP) model with BART [4]. Compared to multinomial ...
Population-based estimates and predictors of child and adolescent linkage to HIV care or death in Western Kenyaa

M. DeLong, Stephanie; Xu, Yizhen; L. Genberg, Becky; Nyambura, Monicah; Suzanne Goodrich, Suzanne; Tarus, Carren; Ndege, Samson; W. Hogan, Joseph; Braitstein, Paula (Wolters Kluwer Health, Inc., 2023-07-17)

Population-level estimates of linkage to HIV care among children and adolescents (CAs) can facilitate progress toward 95-95-95 goals. Setting: This study was conducted in Bunyala, Chulaimbo, and Teso North subcounties, ...
Population-based estimates of engagement in HIV care and mortality using double-sampling methods following home-based counseling and testing in western Kenya

Genberg, Becky L.; Hogan, Joseph W.; Xu, Yizhen; Nyambura, Monicah; Tarus, Caren; Rotich, Elyne; Kafu, Catherine; Wachira, Juddy; Goodrich, Suzanne; Braitstein, Paula (PLos One, 2019)

Introduction Data on engagement in HIV care from population-based samples in sub-Saharan Africa are limited. The objective of this study was to use double-sampling methods to estimate linkage to HIV care, ART initiation, ...

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