| Variables  | 
          | 
        Case:n=112 (%) | 
        Control: n=449 (%) | 
        COR(95% CI) | 
       
      
        | Age group  | 
        15-19  | 
        12(10.7)  | 
        61(13.6)  | 
        0.2(0.01, 4.3)  | 
       
      
        | 20-24  | 
        21(18.8)  | 
        147(32.7)  | 
        0.3(0.04, 2.4)  | 
       
      
        | 25-29  | 
        38(33.9)  | 
        170(37.9)  | 
        0.7(0.1, 3.9)  | 
       
      
        | 30-34  | 
        32(28.6)  | 
        54(12)  | 
        0.3(0.01, 3.9)  | 
       
      
        | 35-39  | 
        9(8)  | 
        17(3.8)  | 
        1  | 
       
      
        | Marital status  | 
        Never married  | 
        6(5.4)  | 
        12(2.7)  | 
        0.8(0.02, 2.6)  | 
       
      
        | Married  | 
        98(87.5)  | 
        431(96.0)  | 
        0.1(0.1, 1.4)  | 
       
      
        | Separated/Widowed  | 
        8(7.1)  | 
        6(1.3)  | 
        1  | 
       
      
        | Religion  | 
        Orthodox  | 
        43(88.4)  | 
        147(32.7)  | 
        0.1(0.02 ,0.6)  | 
       
      
        | Catholic  | 
        8(7.1)  | 
        14(8.1)  | 
        0.7(0.1, 1.4)  | 
       
      
        | Protestant  | 
        50(44.6)  | 
        258(57.5)  | 
        0.1(0.01, 0.4)  | 
       
      
        | Muslim  | 
        11(9.8)  | 
        30(6.7)  | 
        1  | 
       
      
        | Read/Write  | 
        No  | 
        3(4.1)  | 
        10(2.8)  | 
        1.5(0.4, 5.8)  | 
       
      
        | n=426  | 
        Read  | 
        13(17.6)  | 
        42(11.9)  | 
        1.6(0.8, 3.2)  | 
       
      
        |   | 
        Read and Write  | 
        58(78.4)  | 
        300(85.2)  | 
        1  | 
       
      
        | Women income  | 
        <500  | 
        25(65.8)  | 
        86(50.3)  | 
        1.4(0.3, 5.7)  | 
       
      
        | n=209  | 
        >500  | 
        13(34.2)  | 
        85(49.7)  | 
        1  | 
       
      
        | Husband Educational level  | 
        01-06-2015 | 
        26(27.3)  | 
        56(13.5)  | 
        3.3(1.6, 6.7)*  | 
       
      
        | n=510  | 
        07-12-2015 | 
        52(54.7)  | 
        236(56.9)  | 
        1.5 (0.9, 2.8)  | 
       
      
        |   | 
        College and above | 
        17(17.9) | 
        123(29.6) | 
        1 | 
       
      
        | Family income | 
        <500 | 
        46(44.2) | 
        86(21.1) | 
        1.02(0.1, 5.7) | 
       
      
        | n=513 | 
        500-1499 | 
        47(45.2) | 
        233(56.9) | 
        0.5(0.1, 4.9) | 
       
      
        |   | 
        1500-2499 | 
        7(6.7) | 
        53(12.9) | 
        1.6(0.2,1 2.4) | 
       
      
        |   | 
        2500-3499 | 
        1(1.1) | 
        19(4.6) | 
        0.2(0.01, 3.9) | 
       
      
        |   | 
        >2500 | 
        4(3.7) | 
        37(9.0) | 
        1 | 
       
      
        | Mean age of cases ±SD=26± 5.1 years; mean age of controls ±SD=24±5. 2    years; *P<0.05; COR (Crude Odds Ratio). | 
       
      |