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. Author manuscript; available in PMC: 2019 Mar 18.
Published in final edited form as: Ann Intern Med. 2018 Aug 21;169(6):376–384. doi: 10.7326/M17-2242

Appendix Table 8.

Survival Model for the Joint Longitudinal and Survival Model (Using a Weibull Distribution with Shape Parameter k = 0.59) With Adherence and Substance Use Classes Included

Time to Loss to Follow-up HR 95% CI P Value
Integrase strand transfer inhibitor use 0.58 0.52–0.64 <0.001
Female 0.90 0.80–1.02 0.113
Age (per decade, centered at 40 y) 0.87 0.83–0.90 <0.001
Race/ethnicity (reference is white race)
 Black 0.87 0.78–0.96 0.008
 Hispanic 0.69 0.62–0.78 <0.001
 Other 0.93 0.77–1.12 0.45
Calendar time (year of cohort entry, centered around 2010) 1.15 1.12–1.18 <0.001
Adherence 1.00 1.00–1.00 0.61
Cocaine/crack use 1.00 0.85–1.17 0.99
Methamphetamine/crystal methamphetamine use 1.01 0.88–1.16 0.87
Opiate/heroin use 1.10 0.85–1.42 0.46
Marijuana use 1.08 0.99–1.18 0.074
Hazardous alcohol use 1.46 1.33–1.60 <0.001

HR = hazard ratio.