| 
      
        | Characteristic | Overall
          (n = 129)
          [mean ± SD] | GSTM1 Null
          (n = 53)
          [mean ± SD] | GSTM1 Non-Null
          (n = 76)
          [mean ± SD] | P-value |  
        | Male [% (n)] | 55.81%    (72) | 52.83%    (28) | 57.89% (44) | 0.572 |  
        | Age (years) | 48.32    ± 6.31 | 48.53    ± 6.78 | 48.17 ± 6.00 | 0.755 |  
        | CD4 count (cells/uL) | 591 ±    414 | 592 ±    505 | 590 ±    295 | 0.988 |  
        | HIV viral load (copies/mL) | 16,416    ± 94,636 | 34,633 ± 149,550 | 4,769 ± 16,098 | 0.222 |  
        | Monthly Income ($) | 469.33    ± 484.33 | 450.10    ± 494.60 | 482.30    ± 480.90 | 0.741 |  
        | Education (grades) | 11.76    ± 2.15 | 11.70    ± 2.05 | 11.81    ± 2.23 | 0.809 |  
        | BMI (kg/m2) | 28.29    ± 5.29 | 28.99    ± 5.22 | 27.81 ± 5.31 | 0.217 |  
        | Waist/Hip Ratio | 0.91 ±    0.07 | 0.92 ±    0.07 | 0.91 ±    0.07 | 0.651 |  
        | HIV/HCV co-infected [%(n)] | 44.96%    (58) | 50.94%    (27) | 40.79%    (31) | 0.258 |  
        | Receiving ART [%(n)] | 89.92%    (116) | 92.45%    (49) | 88.16%    (67) | 0.429 |  |