| Variables | 
        Contraceptive Usage | 
        χ2 | 
        DF | 
        P value | 
       
      
        |   | 
        YES 
          NO (%) | 
        NO 
          NO (%) | 
          | 
          | 
          | 
       
      
        | Had sex education | 
        97 (38) | 
        158 (62.0) | 
          | 
          | 
          | 
       
      
        | No sex education | 
        9 (20.5) | 
        35 (79.5) | 
        5.07 | 
        1 | 
        0.025 | 
       
      
        | Partners’ approval | 
        65 (90.3) | 
        7 (9.7) | 
          | 
          | 
          | 
       
      
        | Partner’ disapproval | 
        19 (31.7) | 
        41 (68.3) | 
        86.29 | 
        2 | 
        0.000 | 
       
      
        | Use Emergency Contraceptive | 
        65 (61.3) | 
        41 (38.7) | 
          | 
          | 
          | 
       
      
        | Do not use emergency Contraceptives | 
        14 (13.2) | 
        92 (86.8) | 
        52.48 | 
        1 | 
        0.000 | 
       
      
        | Recommend EC to friends | 
        86 (56.6) | 
        66 (43.4) | 
          | 
          | 
          | 
       
      
        | Not recommend EC to friend | 
        20 (14.0) | 
        123 (86.0) | 
        58.06 | 
        1 | 
        0.000 | 
       
      
        | Good knowledge | 
        40 (67.8) | 
        19 (32.2) | 
          | 
          | 
          | 
       
      
        | Poor knowledge | 
        66 (79.5) | 
        17 (20.5) | 
        33.87 | 
        1 | 
        0.000 | 
       
      |