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Table 2 Multivariate logistic regression analysis of factors associated with viral suppression among adolescents living with HIV in Ehlanzeni district South Africa (N = 9386)

From: Determinants of viral suppression among adolescents on antiretroviral treatment in Ehlanzeni district, South Africa: a cross-sectional analysis

  Crude OR 95% CI Adjusted OR 95% CI
Age     
 10 to 14 1* 0.74–0.89 1  
 15 to 19 0.81 0.92 0.78–1.09
Gender     
 Male 1* 1.17–1.41 1*  
 Female 1.29 1.21 1.05–1.39
Method into ART at facility     
 Transferred in from another facility 1    
 New ART patient 0.94 0.85–1.04   
Started IPT     
 No 1*   1  
 Yes 1.19 1.01–1.25 1.04 0.89–1.23
History of TB     
 No 1*   1  
 Yes 0.55 0.35–0.86 0.73 0.37–1.26
WHO stage     
 Stage 1 1*   1  
 Stage 2 0.83 0.73–0.94 0.88 0.75–1.04
 Stage 3 0.77 0.67–0.91 0.86 0.72–1.03
 Stage 4 0.76 0.57–1.00 0.85 0.57–1.26
ART initiation on same day     
 No 1    
 Yes 1.21 0.93–1.57   
Duration on ART     
 6 to 11 months 1*   1*  
 12 to 17 months 0.73 0.54–0.99 0.62 0.25–1.55
 18 to 24 months 1.04 0.75–1.43 0.37 0.15–0.93
 25 months +  0.73 0.58- 0.92 0.60 0.22–1.28
Age at art start     
 0 to 9 years 1*   1  
 10 to 14 years 0.79 0.72–0.87 0.88 0.74–1.04
 15 to 19 years 1.44 1.24–1.67 1.30 0.97–1.75
Pregnant during ART start     
 No 1*    
 Yes 1.53 1.18–1.98    
CD4 count at last visit     
 CD4 < 200 1*   1*   
 CD4 > 200 2.45 2.14–2.79 2.53 2.06–3.11
CD4 count at baseline      
 CD4 < 200 1*   1*   
 CD4 > 200 1.19 1.05–1.36 0.73 0.61–0.87
Second line     
 No 1*   1*   
 Yes 0.38 0.34–0.43 0.41 0.34–0.49
  1. *p-value statistically significant at 5%