Variable Proper utilization of adequately iodized Salt COR(at 95%CI)      AOR(at 95%CI)
Yes(%)    No(%) 
Sex        
   Male 11(65) 6(35) 1                                                                
   Female 383(77) 113(23) 1.85.(0.67,5.11)      3.39(1.07,10.73)*                                                     
Education 
   Second.&above 326(89.1) 40(9.9)  1.84(1.60,4.36) *      2.13(1.68,5.06)*
   Primary(1-8) 67(72) 26(28) 0.93(0.46,1.88)        0.96(0.70,2.41)
   Illitrate 34(57.4) 23(42.6) 0.36(0.17,1.12)       0.19(0.05,1.71)
Occupation
   Employed 64(83) 13(17) 2.95(1.16,7.49)*      2.93(1.05,8.32)*
   Buisness man 60(74) 21(26)  1.71(0.72,4.09)      1.84(081,3.76)
   House Wife 176(76) 55(24) 1.92( 0.88,4.18)      1.23(0.71, 2.12)
   Others 20(63) 12(37)
Monthly Income
<500 ETB 76(67) 38(33) 1
  500-999 ETB 78(74) 27(26) 1.44(.08,2.59)        1.03(0.05,2.84)
  1000-1999ETB 129(80) 32(20) 2.02(1.16,3.49) *     2.12(1.06,4.26)*
   ≥ 2000 ETB 111(83) 22(17) 2.52(1.38,4.60)*      2.39(1.09,5.01)*
Marital Status
  Single 49(65) 26(35) 1
  Married 345(78.8) 93(21.2) 2.03(1.19,3.48)*     2.65(1.24,5.67)*
Goitor results of IDD
  No 17(62) 24(38) 1
  Yes 377(64) 95(36) 1.43(0.78, 2.62)      1.38(0.50,2.89)
Regular use of IS remove IDD 
  No 118(70) 50(30) 1
  Yes 275(80) 69(20) 1.69(1.11,2.58)*      0.98(0.87,2.35)
Knowledg on IDD and I Salt
  Poor 41(59) 29(41) 1
  Good 353(71) 90(29) 1.91(1.45,2.52)**  4.93(2.54,9.58)**
*P-value <0.05, **0.01 to 0.005
Table 5: Factors associated with proper utilization of iodized salt among respondents of Assela town, Arsi Zone Ethiopia 2015.