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Table 2 Unadjusted and adjusted effects of time-updated adherence scores on time to first HIV viral load ≤ 400 copies/ml in Cox regression models (n = 278 patients)

From: Predictive validity of a brief antiretroviral adherence index: Retrospective cohort analysis under conditions of repetitive administration

  Unadjusted Adjusted
Predictor HR1 95% CI p-value HR 95% CI p-value
Adherence Score       
< 5 1.0    1.0   
≥ 5 0.42 0.22–0.79 0.007 0.36 0.19–0.69 0.002
Antiretroviral Experience       
Naïve 1.0    1.0   
Experienced 0.79 0.60–0.1.05 0.10 0.68 0.50–0.91 0.01
Baseline log10 HIV viral load       
  0.82 0.68–0.99 0.04 0.71 0.58–0.87 0.001
Race    0.047    
White 1.0      
Black 1.42 0.92–2.19 0.11 --- --- ---
Hispanic 1.51 1.10–2.06 0.01    
Unknown/Other 1.01 0.63–1.62 0.98    
  1. HR: hazard ratio