| Characteristics | Neonatal infections in first 2 weeks (n = 30,267) | ||||
|---|---|---|---|---|---|
| Number | Infections | Percent | RR | 95% CI | |
| Single/multiple birth | |||||
| Singleton | 29,558 | 3386 | 11.5 | 1.00 | |
| Multiple birth | 709 | 206 | 29.1 | 2.47 | 2.18–2.80 |
| Gestational age at birth | |||||
| < 35 weeks | 2693 | 442 | 16.4 | 1.44 | 1.31–1.58 |
| 35–36 weeks | 3546 | 415 | 11.7 | 1.04 | 0.95–1.15 |
| 37 weeks or more | 24,028 | 2735 | 11.4 | 1.00 | |
| Sex of the baby | |||||
| Male | 15,646 | 1880 | 12.0 | 1.00 | |
| Female | 14,621 | 1712 | 11.7 | 0.97 | 0.92–1.03 |
| Birth weight | |||||
| < 1500 g | 210 | 142 | 67.6 | 6.50 | 5.74–7.37 |
| 1500–1999 g | 1369 | 357 | 26.1 | 2.55 | 2.29–2.83 |
| 2000–2499 g | 8386 | 1040 | 12.4 | 1.20 | 1.12–1.29 |
| 2500 g or higher | 20,302 | 2053 | 10.1 | 1.00 | |
| Birth asphyxia | |||||
| Yes | 3427 | 709 | 20.7 | 1.87 | 1.73–2.03 |
| No | 26,840 | 2883 | 10.7 | 1.00 | |
| Sterile cord cutting and tying | |||||
| Yes | 26,291 | 3122 | 11.9 | 1.08 | 0.98–1.18 |
| No | 3976 | 470 | 11.8 | 1.00 | |
| Non-study substances on cord | |||||
| Yes | 1779 | 236 | 13.3 | 1.05 | 0.92–1.20 |
| No | 28,488 | 3356 | 11.8 | 1.00 | |
| Dried within 30 min | |||||
| Yes | 25,719 | 2893 | 11.3 | 1.00 | |
| No | 4548 | 699 | 15.4 | 1.18 | 1.08–1.28 |
| Wrapped within 30 min | |||||
| Yes | 25,321 | 2828 | 11.2 | 1.00 | |
| No | 4946 | 764 | 15.5 | 1.20 | 1.10–1.31 |
| Breastfed within 1 h | |||||
| Yes | 18,329 | 2093 | 11.4 | 1.00 | |
| No | 11,938 | 1499 | 12.6 | 1.05 | 0.98–1.13 |
| Oil massaged within 1 h | |||||
| Yes | 3292 | 437 | 13.3 | 1.11 | 1.00–1.23 |
| No | 26,975 | 3155 | 11.7 | 1.00 | |
| Delayed bath for 1 day | |||||
| Yes | 26,519 | 3084 | 11.6 | 1.10 | 0.99–1.21 |
| No | 3748 | 508 | 13.6 | 1.00 | |