Skip to main content
. 2022 Jan 23;16(3):452–461. doi: 10.1111/irv.12950

TABLE 2.

Characteristics of infants born in the maternal–infant study in Kenya, June 2015 to May 2020, N = 2,550

Characteristic n %
Sex
Male 1,300 51.0
Female 1,250 49.0
Prematurity
<37 weeks 396 15.5
<32 weeks 23 0.9
<28 weeks 4 0.2
Birth weight, mean (SD) 3,225.7 (479.3)
Normal (z‐score > − 2.0) 2,464 96.4
Low (−3.0 < z‐score < −2.0) 45 1.8
Very low (z‐score < −3.0) 40 1.6
5‐min apgar score, <7 32 1.3
Respiratory distress syndrome 31 1.2
Small for gestational age 22 0.9
Perinatal jaundice 3 0.1
Ballard score, mean (SD) 39.2 (3.1)
Birth anomaly a 235 9.2
No. of infants by ARI episodes 1,256 49.3
1 episode 744 29.2
2 episodes 330 12.9
≥3 episodes 182 7.1
Other co‐infections in infancy
HIV exposed 496 19.5
Malaria 142 5.6
TB (exposed) 11 0.4
Any hospitalization 32 1.3
Respiratory illness–related 15 0.6
Hospitalized and influenza positive 0
Infant death 23 1.0
<14 days 20 87.0
14–27 days 1 4.4
28 days to 12 weeks 2 8.7

Abbreviations: ARI, acute respiratory illness; HIV, human immunodeficiency virus; SD, standard deviation; TB, tuberculosis.

a

Most of the anomalies were minor including extra digits, diastasis recti, umbilical hernia, etc.