| Variables | Male    (185) | Female    (210) | P    value | 
      
        | HIV/AIDS |  |  |  | 
      
        | Infectious nature of AIDS | 150    (81.1%) | 161(76.7%) | 0.172 | 
      
        | Causes of AIDS | 169(91.4%) | 193    (91.9%) | 0.942 | 
      
        | Route of transmission: poor
 moderate
 good
 | 63    (34.1%)
 18    (9.7%)
 104    (56.2%)
 | 60(28.6%)
 14(06.7%)
 136    (64.8%)
 | 0.195
 | 
      
        | Signs and symptoms: poor
 moderate
 good
 | 151(81.6%) 17    (09.2%)
 17    (09.2%)
 | 169    (80.4%) 20    (09.5%)
 21    (10.0%)
 | 0.954 | 
      
        | Preventive methods: poor
 moderate
 good
 | 95    (51.4%)
 31(16.8%)
 59    (31.9%)
 | 102(48.6%)
 34    (16.2%)
 74(35.2%)
 | 0.779 | 
      
        | Hepatitis B |  |  |  | 
      
        | Infectious nature | 93    (50.3%) | 130    (61.9) | 0.020 | 
      
        | Causative agent | 49(26.5%) | 61    (29.1%) | 0.765 | 
      
        | Route of transmission: poor
 moderate
 good
 | 176(95.1%)
 02    (01.1%)
 07    (03.8%)
 | 199    (94.8%)
 03(01.4%)
 08(03.8%)
 | 0.953
 | 
      
        | Signs and Symptoms: poor
 moderate
 good
 | 148(80.0%)
 18    (09.7%)
 19    (10.3%)
 | 172(81.9%)
 07    (03.3%)
 30    (14.3%)
 | 0.022
 | 
      
        | Preventive methods: poor
 moderate
 good
 | 133    (71.9%)
 28    (15.1%)
 24    (13.0%)
 | 151    (71.9%)
 33    (15.7%)
 26    (12.4%)
 | 0.976
 |