Table 3 Association of maternal, delivery and infant characteristics with possible serious bacterial infection
Percent with PSBI | Unadjusted Risk Ratio | (95 % Confidence Interval) | Adjusted Risk Ratioa | (95 % Confidence Interval) | |
|---|---|---|---|---|---|
Year | |||||
2010 | 7 % | 1.00 | 1.00 | ||
2011 | 6 % | 0.84 | (0.60, 1.17) | 0.81 | (0.57, 1.15) |
2012 | 5 % | 0.69 | (0.48, 1.00) | 0.66 | (0.46, 0.93) |
2013 | 5 % | 0.66 | (0.42, 1.04) | 0.66 | (0.36, 1.20) |
Maternal age | |||||
<20 | 8 % | 1.46 | (1.21, 1.70) | 1.11 | (0.93, 1.32) |
≥ 20 | 6 % | 1.00 | 1.00 | ||
Maternal education | |||||
Primary or less | 5 % | 0.95 | (0.87, 1.05) | 0.89 | (0.80, 1.00) |
Secondary or more | 5 % | 1.00 | 1.00 | ||
Parity | |||||
0 | 6 % | 1.23 | (1.11, 1.36) | 1.13 | (1.03, 1.23) |
1–2 | 5 % | 1.00 | 1.00 | ||
>2 | 7 % | 1.38 | (1.15, 1.66) | 1.30 | (1.07, 1.57) |
Maternal anemia | |||||
No anemia (Hgb ≥11) | 6 % | 1.00 | 1.00 | ||
Mild anemia (Hgb 10- < 11) | 6 % | 0.96 | (0.71, 1.30) | 0.96 | (0.79, 1.16) |
Moderate to severe anemia (Hgb <10) | 6 % | 0.99 | (0.58, 1.70) | 0.92 | (0.64, 1.31) |
Trimester of first antenatal care visit | |||||
First | 5 % | 1.00 | 1.00 | ||
Second or Third | 7 % | 1.56 | (1.12, 2.17) | 1.46 | (1.08, 1.98) |
Received antenatal care, no information on timing | 12 % | 2.68 | (1.65, 4.36) | 2.27 | (1.29, 4.00) |
No antenatal care | 13 % | 2.88 | (1.40, 5.93) | 3.21 | (1.66, 6.20) |
Location of delivery | |||||
Referral government | 6 % | 1.00 | 1.00 | ||
Referral private | 5 % | 0.89 | (0.67, 1.17) | 0.83 | (0.65, 1.06) |
First level facility | 6 % | 1.07 | (0.88, 1.30) | 1.14 | (1.00, 1.30) |
Home/Other | 8 % | 1.38 | (1.04, 1.84) | 1.16 | (0.86, 1.57) |
Mode of delivery | |||||
Vaginal | 6 % | 1.00 | 1.00 | ||
C-section | 6 % | 1.04 | (0.88, 1.25) | 0.48 | (0.36, 0.63) |
Prolonged or obstructed labor or failure to progress | |||||
Yes | 7 % | 1.18 | (0.84, 1.64) | 1.22 | (0.87, 1.69) |
No | 6 % | 1.00 | 1.00 | ||
Antenatal corticosteroids | |||||
Yes | 13 % | 2.43 | (1.86, 3.16) | 2.04 | (1.60, 2.61) |
No | 5 % | 1.00 | 1.00 | ||
Birth Weight | |||||
Normal birth weight (≥ 2500 gm) | 4 % | 1.00 | 1.00 | ||
Low birth weight (1500- < 2500 gm) | 16 % | 3.86 | (2.68, 5.55) | 3.10 | (2.17, 4.42) |
Initiation of breastfeeding within 1 hour after delivery | |||||
Yes | 5 % | 1.00 | 1.00 | ||
No | 13 % | 2.79 | (1.95, 3.98) | 3.87 | (2.69, 5.58) |
Sex | |||||
Male | 6 % | 1.17 | (1.07, 1.29) | 1.20 | (1.10, 1.31) |
Female | 5 % | 1.00 | 1.00 | ||