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Table 3 Assessment of risk factors associated with anemia among pregnant women attending ANC in East Wollega, Oromia, Ethiopia from November 2015 to January 2016

From: Intestinal helminthic infection and anemia among pregnant women attending ante-natal care (ANC) in East Wollega, Oromia, Ethiopia

Variables Anemia COR (95% CI) P AOR (95% CI) P
Present, N (%) Absent, N (%)
Residence
 Rural 41 (17.4%) 195 (82.6%) 0.98 (0.6, 1.7) 0.952   
 Urban 24 (17.6%) 112 (82.4%) 1    
Age group
 ≤29 years 48 (16.4%) 245 (83.6%) 1    
 >29 years 17 (21.5%) 62 (78.5%) 0.73 (0.4, 1.3) 0.334   
Educational status
 Illiterate 24 (19%) 103 (81%) 2.61 (0.9, 7.2) 0.071   
 Literate 41 (16.7%) 204 (83.3%) 1    
Food diversity
 No 13 (25.5) 38 (74.5) 1.73 (0.8, 3.5) 0.043 0.63 (0.3, 1.4) 0.336
 Yes 52 (16.5) 269 (83.5) 1   1  
Coffee after meal
 Yes 52 (17) 254 (83) 0.87 (0.4, 1.7) 0.887   
 No 13 (20.3) 51 (79.7) 1    
Home delivery
 Yes 15 (15.2) 84 (84.8) 0.74 (0.3, 1.3) 0.326   
 No 42 (21.4) 154 (78.6) 1    
Gestational age (Trimester)
 First 18 (35.3) 33 (64.7) 0.32 (0.1, 0.6) 0.001* 2.82 (1.4, 6.2) 0.009*
 Second 18 (15.8) 96 (84.2) 0.87 (0.5, 1.6) 0.667   
 Third 29 (14) 178 (86) 1   1  
Following regular ANC
 No 7 (16.7) 35 (83.3) 0.93 (0.4, 2.2) 0.886   
 Yes 58 (17.6) 272 (82.4) 1    
Birth interval
 <2 years 13 (21.7) 47 (78.3) 1.22 (0.6, 2.4) 0.776   
 >2 years 44 (19) 188 (81) 1    
Presence of current blood loss
 Yes 20 (29.4) 48 (70.6) 2.42 (1.3, 4.4) 0.007* 0.73 (0.4, 1.5) 0.351
 No 45 (14.8) 259 (85.2) 1   1  
Previous Malaria infection
 Yes 25 (35.2) 46 (64.8) 3.53 (1.9, 6.4) <0.001 2.32 (1.3, 5.3) 0.003*
 No 40 (13.3) 261 (86.7) 1   1  
Using anti-malaria bed net
 No 26 (17.3) 124 (82.7) 0.94 (0.6, 1.7) 0.952   
 Yes 39 (17.6) 183 (82.4) 1    
Taking iron supplements regularly
 No 24 (13.3) 156 (86.7) 0.64 (0.3, 0.9) 0.04* 1.82 (1.1, 4.8) 0.022*
 Yes 41 (21.4) 151 (78.6) 1   1  
Intestinal helminths
 Present 37 (40.2) 55 (59.8) 6.11 (3.2, 9.7) <0.001 3.12 (1.5, 7.3) 0.023*
 Absent 28 (10) 252 (90) 1   1  
Hook worm
 Present 26 (44.8) 32 (55.2) 5.70 (3.1, 9.6) <0.001 3.53 (1.6, 6.7) 0.001*
 Absent 39 (12.4) 275 (87.6) 1   1  
Ascaris lumbricoides
 Present 9 (34.6) 17 (65.4) 2.70 (1.2, 6.5) 0.031* 1.82 (1.1, 3.8) 0.022*
 Absent 56 (16.2) 290 (83.8) 1   1  
  1. COR crude odds ratio, AOR adjusted odds ratio
  2. *Statistically significant P values