Table 1

Demographic and clinical characteristics of the study participants at Jimma University Medical Center, Ethiopia (n=1486)

VariableSummary statistic
Sex, n (%)
 Male818 (55.0)
Ethnicity, n (%)
 Oromo1054 (70.9)
 Amhara128 (8.6)
 Yem84 (5.7)
 Kaffa60 (4.0)
 Dawro57 (3.8)
 Tigry13 (0.9)
 Other90 (6.1)
Mother's schooling, n (%)
 Illiterate338 (22.7)
 Primary520 (35.0)
 Secondary358 (24.1)
 Technical/vocational and higher270 (18.2)
Mother's age in years, mean (SD)25.0 (5.0)
Birth weight (g), mean (SD)2974 (494)
Low birth weight, n (%)203 (14.6)
Chest circumference in cm—day 1, mean (SD)32.7 (2.3)
Chest circumference in cm—day 5, mean (SD)33.5 (2.5)
MUAC in cm—day 1, mean (SD)10.4 (1.0)
MUAC in cm—day 5, mean (SD)10.0 (1.0)
Foot length in cm—day 1, mean (SD)7.8 (0.5)
Foot length in cm—day 5, mean (SD)7.9 (0.5)
GA by New Ballard Score, median (IQR)39.0 (38.0–40.0)
GA by Eregie model, median (IQR)40.0 (40.0–41.0)
Premature by New Ballard Score, n (%)143 (10.2)
Premature by Eregie model, n (%)77 (5.5)
  • Prematurity, defined as GA <37 weeks. Due to missing data, n ranged between 1390 and 1486 for day 1 variables, and between 132 and 136 for day 5 variables.

  • GA, gestational age; MUAC, mid-upper arm circumference.