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Table 3 Bivariate and Multivariate analysis of proper iodized salt utilization among the households in Ahferom District, north Ethiopia, 2012 (n = 292)

From: Iodine level concentration, coverage of adequately iodized salt consumption and factors affecting proper iodized salt utilization among households in North Ethiopia: a community based cross sectional study

Variables Iodized salt utilization COR [95% C.I] AOR[95%CI]
Improper n[%] Proper n[%] Total[n]
Sex head of household
 Female 77 (89.5] 9 (10.5) 86 1[ref]  
 Male 189 (91.7) 17 (8.3) 206 0.77[.26, 2.29]  
Residency
 Rural 204 (97.1) 6 (2.9) 210 1[ref.]  
 Urban 62 (75.6) 20 (24.4) 82 6.22 [3.05, 12.66]** 2.83 [1.48, 5.4]*
Age of food caterers     .95[.89, 1.02]  
Family size     .70[.62, .80]** 0.82 [0.67, 0.92]*
Children< 12 years     .74[.52, 1.06]  
Occupation of food caterers
 Farmer 222 (91.7) 20 (8.3) 242 1[ref.]  
 Others 44 (88.0) 6 (12.0) 50 1.51[.81, 2.84]  
Income source
 Farming 215 (91.9) 19 (8.1) 234 1[ref.]  
 Others 51 (87.9) 7 (12.1) 58 1.55[.98, 2.45]  
Household monthly income
  < =500 birr 185 (91.1) 18 (8.9) 203 1[ref.]  
  > =500 birr 81 (91.0) 8 (9.0) 89 1.39[.63, 3.09]  
Education head of household
 Illiterate 111 (94.1) 7 (5.9) 118 1[ref.]  
 At least read & write 155 (89.1) 19 (10.9) 174 1.94[.78, 4.86]  
Education of food caterers
 Illiterate 161 (93.6) 11 (6.4) 172 1[ref.]  
 At least read & write 105 (87.5) 15 (12.5) 120 2.09 [1.23, 3.54]*  
Knowledge cat
 Poor 139 (95.2) 7 (4.8)   1[ref.]  
 Good 127 (87.0) 19 (13.0)   2.97[.83, 10.69]  
Attitude
 Unfavorable 110 (91.7) 10 (8.3) 120 1[ref.]  
 Favorable 156 (90.7) 16 (9.3) 172 1.13[.29, 4.32]  
Source of buying
 Out of shop 165 (94.8) 9 (5.2) 174 1[ref.]  
 Shop 101 (85.6) 17 (14.4) 118 3.09[.70, 13.69]  
Duration buying salt
 Above 1 month 47 (94.0) 3 (6.0) 50 1[ref.]  
  < =1 month 219 (90.5) 23 (9.5) 242 2.22[.45, 10.99]  
Amount salt in kg buy at a time     .64[.45, .89]*  
Availability of iodized salt
 No 192 (98.0) 4 (2.0) 196 1[ref.]  
 Yes 73 (76.8) 22 (23.2) 95 14.47 [4.95, 42.27]** 3.90 [1.74, 8.70]**
Affordability of iodized salt
 No 135 (97.8) 3 (2.2) 138 1[ref.]  
 Yes 131 (85.1) 23 (14.9) 154 8.33 [2.99, 23.21]** 3.22 [1.41, 7.34]*
  1. COR crude odds ratio
  2. AOR adjusted odds ratio
  3. *(p-value < 0.05)
  4. **(p-value <= 0.001