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Table 1 Multiple logistic regression analysis of factors associated with carriage of multi-drug resistant E. coli among healthy women attending antenatal clinics in two hospitals in Ujjain, India

From: Frequency and factors associated with carriage of multi-drug resistant commensal Escherichia coliamong women attending antenatal clinics in Central India

Factor Total   MDR
  n = 710 %a n = 35 %a OR (95% CI) P value
Age (in years)b       
  15 to 19 55 95 2 5 1  
  20 to 29 434 94 20 6 0.59 (0.13-2.67) 0.49
  30 to 39 201 94 10 6 0.50 (0.09-2.70) 0.42
  40 to 45 20 80 3 20 2.19 (0.23-20.9) 0.49
Educationb       
  Illiterate 393 94 17 6 1  
  Up-to primary 240 97 6 3 0.69 (0.21-2.18) 0.53
  Up-to higher secondary 47 91 3 9 1.27 (0.26-6.27) 0.76
  Graduate or post graduate 30 60 9 40 3.98 (1.05-15.10) 0.04
Occupation       
  Salaried 207 87 19 13 1  
  Self-employed 503 96 16 4 0.41 (0.15-1.06) 0.06
Family sizeb       
  Less than or equal to 4 339 94 14 6 1  
  Between 5–10 321 96 10 4 0.51 (0.17-1.47) 0.21
  More than 10 50 70 11 30 4.97 (1.51-16.33) 0.008
Reported antibiotic usage (last 4 weeks)       
  No 663 97 13 3 1  
  Yes 47 36 22 64 17.01 (6.35-45.51) <0.001
Reported Hospitalization (last 4 weeks)       
Yes 659 97 13 3 1  
No 51 41 22 59 26.99(10.32-70.5) <0.001
  1. %a row percentage; b The first value within the variable acted as reference value for logistic regression; OR- Odds ratio; CI-confidence interval;
  2. OR significant at P= 0.05 are shown in bold face; MDR- multi-drug resistance (co-resistance to three different classes of antibiotics).