Table 3. Bivariate and multiple logistic regression for risk factors of early-onset neonatal sepsis.
| Variables | Category | Case, N (%) | Control, N (%) | cOR (95% CI) | aOR (95% CI) |
|---|---|---|---|---|---|
| Maternal age (year) | <18 | 13 (23.2) | 22 (19.0) | 0.99 (0.29–3.34) | |
| 18 to 35 | 37 (66.1) | 84 (72.4) | 0.73 (0.25–2.17) | ||
| >35 | 6 (10.7) | 10 (8.6) | |||
| Maternal UTI during 3rd trimester | Yes | 13 (23.2) | 11 (9.5) | 2.89 (1.20–6.94)* | 2.78 (1.07–7.28)* |
| No | 43 (76.8) | 105 (90.5) | |||
| Prolong labor | Yes | 11 (19.6) | 13 (11.2) | 1.94 (0.81–4.65) | |
| No | 45 (80.4) | 103 (88.8) | |||
| Premature rupture of membrane | Yes | 15 (26.8) | 19 (16.4) | 1.87 (0.87–4.03) | |
| No | 41 (73.2) | 97 (83.6) | |||
| Mode of delivery | Caesarean | 29 (51.8) | 39 (33.6) | 2.12 (1.11–4.06)* | 1.50 (0.69–3.25) |
| Vaginal | 27 (48.2) | 77 (66.4) | |||
| Sex of neonate | Female | 29 (51.8) | 46 (39.7) | 1.63 (0.86–3.11) | |
| Male | 27 (48.2) | 70 (60.3) | |||
| Prematurity | Yes (<37 weeks) | 27 (48.2) | 24 (20.7) | 3.57 (1.79–7.12)* | 2.84 (1.13–7.12)* |
| No (≥37 weeks) | 29 (51.8) | 92 (79.3) | |||
| Weight at birth (gram) | Low, <2500 | 31 (55.4) | 33 (28.4) | 3.12 (1.61–6.06)* | 1.25 (0.50–3.16) |
| Normal, ≥2500 | 25 (44.6) | 83 (71.6) | |||
| APGAR score at 5 minutes | <7 | 14 (25.0) | 13 (11.2) | 2.64 (1.15–6.09)* | 2.58 (1.04–6.39)* |
| ≥7 | 42 (75.0) | 103 (88.8) |
N.B.
*p-value <0.05, CI: Confidence interval, cOR: crude odds ratio, aOR: Adjusted odds ratio.