| Socio-demographic and clinical variables | 
  Groups n (%) | 
  Total (n=161) | 
  Statistical indices | 
   
   
  | Pre-HAART (n=68) | 
  HAART (n=93) | 
   
   
  | Age (Years) | 
   
   
  | <20 | 
  2 (2.9) | 
  1 (1.1) | 
  3 (1.9) | 
  χ2=8.006 
    Df=4 
    P value=0.075* | 
   
   
  | 20-29 | 
  32 (47.1) | 
  33 (35.5) | 
  65 (40.4) | 
   
   
  | 30-39 | 
  16 (23.5) | 
  37 (39.8) | 
  53 (32.9) | 
   
   
  | 40-49 | 
  18 (26.5) | 
  19 (20.4) | 
  37 (23.0) | 
   
   
  | 50 and above | 
  0 (0) | 
  3 (3.2) | 
  3 (1.9) | 
   
   
  | Mean (SD) | 
  31.7 (9.5) | 
  32.45 (8.5) | 
  32.1 (8.9) | 
  0.707 | 
   
   
  | Sex | 
   
   
  | Male | 
  21 (30.9) | 
  33 (35.5) | 
  54 (33.5) | 
  χ2=0.3731 
    Df=1 
    P value=0.541 | 
   
   
  | Female | 
  47 (69.1) | 
  60 (64.5) | 
  107 (66.5) | 
   
   
  | Level of Education | 
   
   
  | No formal education | 
  0 (0) | 
  1 (1.1) | 
  1 (0.6) | 
  χ2=3.4542 
    Df=3 
    P value=0.303* | 
   
   
  | Primary | 
  24 (35.3) | 
  24 (25.8) | 
  48 (29.8) | 
   
   
  | Secondary | 
  20 (29.4) | 
  38 (40.9) | 
  58 (36.0) | 
   
   
  | Tertiary | 
  24 (35.3) | 
  30 (32.3) | 
  54 (33.5) | 
   
   
  | Marital Status | 
   
   
  | Single | 
  27 (39.7) | 
  47 (50.5) | 
  74 (46.0) | 
  χ2=8.6117 
    Df=4 
    P value=0.076* | 
   
   
  | Married | 
  31 (45.6) | 
  33 (35.5) | 
  64 (39.8) | 
   
   
  | Cohabiting | 
  4 (5.9) | 
  0 (0) | 
  4 (2.5) | 
   
   
  | Separated | 
  2 (2.9) | 
  6 (6.5) | 
  8 (5.0) | 
   
   
  | Widowed | 
  4 (5.9) | 
  7 (7.5) | 
  11 (6.8) | 
   
   
  | CD4 Count | 
   
   
  | Mean | 
  488.03 | 
    | 
    | 
  t-test 
    P value=0.0001+ 
    Df=159 | 
   
   
  | SD | 
  141.66 | 
  95.29 | 
  201.76 | 
   
   
  | Disease stage | 
   
   
  | Early (stage 1&2) | 
  33 (48.53) | 
  14 (15.05) | 
  47 (29.19) | 
  χ2=21.2948 
    Df=1 
    P value=0.0001+ | 
   
   
  | Late (stage 3&4) | 
  35 (51.46) | 
  79 (84.95) | 
  114 (70.8) | 
   
   
  | Center | 
   
   
  | SLHA | 
  59 (86.8) | 
  86 (92.5) | 
  145 (90.1) | 
  χ2=1.43018 
    Df=1 
    P value=0.232 | 
   
   
  | UUTH | 
  9 (13.2) | 
  7 (7.5) | 
  16 (9.9) | 
   
   
  | *Fischer’s exact test; +significant p value |