Table 3.

Association between MDR-GNB carriage and multiple exposure variables in quasi-experimental study population

Exposure variable	OR (95% CI)	p Value	Risk of MDR-GNB carriage (adj-OR – 95% CI)	Adj-p*
Sex, ref. F	1.26 (0.52–3.10)	0.60
Admission in post-intervention period, ref. No	0.19 (0.06–0.51)	0.001	0.21 (0.076–0.629)	0.0047
Inborn, ref. No	6.1 (1.5–41.3)	0.02
Caesarean delivery, ref. No	1.9 (0.72–5.4)	0.19
Surgical intervention, ref. No	5.6 (0.49–64.5)	0.18
Gestational age, per week increase	0.87 (0.77–0.98)	0.023
Birth weight, per 100 gr increase	0.98 (0.97–0.99)	0.027
Breast milk feeding, ref. No	14.4 (2.5–313.5)	0.001	11.9 (1.49–95.9)	0.019
Nasogastric tube, ref. No	2.82 (1.15–7.1)	0.02
Endotracheal tube, ref. No	1.7 (0.56–4.9)	0.31
Ampicillin, ref. No	0.45 (0.12–1.4)	0.18
Ampicillin-sulbactam, ref. No	3.7 (0.98–14.4)	0.07
Cephalosporins, ref. No	3.1 (1.1–8.8)	0.02
Carbapenems, ref. No	1.02 (0.3–3.13)	1
Glycopeptides, ref. No	1.12 (0.35–3.5)	1
Fluconazole, ref. No	2.7 (0.94–7.6)	0.051
Duration of hospital stay before colonization, per day increase	0.96 (0.92–0.99)	0.04

^*Hosmer–Lemeshow Goodness-of-Fit Test p value = 0.94