| Study variables | 
        Number (%) Sm* positive | 
        Mean egg excretion per gram    of stool | 
        Number (%) positive for hl*    other than Sm* | 
       
      
        | Age category
           
            | 
        <10 | 
        118,3(19.1) | 
                27.9 | 
        9(29.1) | 
       
      
        | 11-20 | 
        91, 5(30.9) | 
               109.2 | 
        9(29.1) | 
       
      
        | 21-30 | 
        67,3(21.1) | 
                89.2 | 
        6(19.4) | 
       
      
        | 31-40 | 
        63,2(13.8) | 
                30.1 | 
        2(6.5) | 
       
      
        | >40 | 
        75,2 (15.1) | 
                 40 | 
        5(16.1) | 
       
      
        |    p-value | 
        0.000 | 
                 0.002 | 
        0.359 | 
       
      
        | Sex | 
        Male | 
        204(52.6) | 
                  67.2    | 
        20(64.5) | 
       
      
        | female | 
        210(47.4) | 
                  52.8 | 
        11(35.5) | 
       
      
        | p-value | 
        0.298 | 
                  0.299 | 
        0.110 | 
       
      
        | PPF | 
        Positive | 
             39(61.5) | 
                  150.76 | 
        3(9.7) | 
       
      
        | negative | 
             375(35.7) | 
                  48.57 | 
        28(90.3) | 
       
      
        | p-value | 
          0.000 | 
        0.03 | 
        0.959 | 
       
      |