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Table 2 Crude and Adjusted Risk Factors of Optimal Adherence to First-Line ART among HIV-Infected Adults Receiving Care at Five Care and Treatment Centers in Kilimanjaro Region, Moshi, Tanzania 2004–2015

From: Association of knowledge on ART line of treatment, scarcity of treatment options and adherence

Characteristics Bivariable Analysis Prevalence Ratio 95 % CI Multivariable Analysis Prevalence Ratio 95 % CI
Age
  < 30 1 1
 30–55 0.8 (0.6–1.0) 0.8 (0.6–1.1)
  > 55 0.7 (0.5–0.9) 0.8 (0.6–1.0)
Gender   
 Male 1 1
 Female 1.3 (1.1–1.6) 1.1 (1.0–1.3)
Education
  ≤ primary school education 1 1
  > primary school education 0.9 (0.7–1.1) 0.9 (0.8–1.1)
Marital status
 Not married 1 1
 Married 1.0 (0.8–1.2) 1.0 (0.8–1.3)
 Divorced/Separated/Widowed 0.9 (0.7–1.2) 1.0 (0.8–1.3)
CD4 at the time of interview
  < 350 cells/mm3 1 1
  ≥ 350 cells/mm3 0.9 (0.8–1.1) 1.0 (0.9–1.1)
Duration on treatment
  < 36 months 1 1
 36–60 months 1.3 (1.0–1.6) 1.2 (1.0–1.3)
  > 60 months 1.0 (0.8–1.3) 1.0 (0.9–1.2)
Knowledge of ART
 No 1 1
 Yes 1.2 (1.0–1.5) 1.1 (1.0–1.3)
Plasma HIV RNA level
  < 1000 c/ml 1 1
  ≥ 1000 c/ml 0.6 (0.5–0.7) 0.8 (0.7–0.9)
Sites
 KCMC 1 1
 Mawenzi 1.3 (1.0–1.8) 1.2 (1.0–1.4)
 Others 1.1 (0.8–1.6) 1.1 (0.9–1.4)
  1. Abbreviations: KCMC Kilimanjaro Christian Medical Center, N/A Not applicable, HIV RNA Human Immunodeficiency Virus Ribonucleic Acid