Table 3. Risk factors for 3GCR-EB isolation in gestational urine cultures (GEE Regression).
| Characteristics | OR | 95% CI | P value |
|---|---|---|---|
| Ethnic sector (ref: Jewish) | |||
| Arab | 1.22 | (1.03–1.45) | 0.024 |
| AFP | 1.53 | (1.12–2.10) | 0.007 |
| Number of hospital admissions prior to delivery (ref: none) | |||
| One | 1.20 | (0.98–1.47) | 0.075 |
| Two or more | 1.47 | (1.21–1.79) | <0.001 |
| Number of courses of antibiotics dispensed (ref: none) | |||
| One | 1.12 | (0.86–1.46) | 0.406 |
| Two | 1.05 | (0.76–1.45) | 0.770 |
| Three or more | 1.76 | (1.29–2.40) | <0.001 |
| Type of antibiotics | |||
| Cephalosporins | 1.56 | (1.26–1.95) | <0.001 |
| Fluoroquinolones | 1.34 | (1.04–1.74) | 0.024 |
| Nitrofurantoin | 1.29 | (1.02–1.64) | 0.036 |
Abbreviations: 3GCR-EB, third-generation-cephalosporin resistant Enterobacteriaceae; GEE, Generalized Estimating Equations; OR, odds ratio; 95% CI, 95% confidence interval; AFP, assisted fertilization procedure.