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Table 1 Baseline characteristics of study participants in the three feeding groups in the intention-to-treat population

From: Safety and efficacy of a probiotic-containing infant formula supplemented with 2’-fucosyllactose: a double-blind randomized controlled trial

Characteristic Experimental group
(n = 144)
Control group
(n = 145)
Breastfed group
(n = 60)
Age at enrollment, days 6.8 (3.98) 6.7 (3.80) 4.8 (3.83)
Sex, % male 47.9% 46.9% 41.7%
Days breastfed since birth 3.3 (2.95) 4.4 (3.53) 4.8 (3.83)
Days fed formula since birth 6.3 (3.78) 6.3 (3.91) N/A
Race, % Caucasian 97.9% 95.2% 90.0%
Gestational age, weeks 39.3 (1.17) 39.1 (1.03) 39.3 (1.02)
Delivery method, % Caesarean 33.3% 33.8% 20.0%
Birth weight, kg 3.3 (0.44) 3.4 (0.42) 3.4 (0.43)
Birth length, cm 49.8 (1.71) 50.0 (2.02) 50.2 (2.04)
Birth head circumference, cm 34.4 (1.42) 34.3 (1.37) 34.6 (1.28)
Mother’s age, years 31.0 (5.42) 30.9 (5.73) 30.9 (4.96)
Mother’s educational attainment, % completed college 20.8% 20.7% 40.0%
  1. Data are presented as mean values (standard deviations) or percentages