Reduced Occurrence of Gastrointestinal Symptoms in Chinese Infants Fed Minimally Processed Commercially Available Formula: A Cross-Sectional Observational Study

Table 2

Baseline characteristics per group.

Characteristics	IF A (n = 105)	IF B (n = 100)	IF C (n = 103)	IF D (n = 101)
Infants
Gestational age (wks)	39.2 ± 1.3	39.1 ± 1.3	39.2 ± 1.3	39.3 ± 1.3
Birth weight (kg)	3.39 ± 0.36	3.39 ± 0.38	3.30 ± 0.38	3.31 ± 0.38
Apgar score	10 (6–10)	10 (8–10)	10 (8–10)	10 (9–10)
Age at enrolment (days)	93.5 ± 24.6	99.2 ± 21.4	98.1 ± 22.4	95.0 ± 26.9
Weight at enrolment (kg)	6.08 ± 0.91	6.28 ± 0.83	6.28 ± 0.87	6.17 ± 0.97
Height at enrolment (cm)	60.4 ± 3.5	61.1 ± 3.7	60.7 ± 3.4	60.5 ± 3.5
Delivery (% vaginal)	61	59	59.2	58.4
Gender (% male)	56	45	48	59
Maternal
Education (% bachelor’s degree)	46.7	33	47.6	34.7
Employed (%)	88.6	87	89.3	84.2
Paternal
Education (% bachelor’s degree)	46.7	40	49.5	45.5
Employed (%)	98.1	100	100	99
Socioeconomics
Living area (%)
60–90 m^2	40	33.0	39.8	46.5
90–120 m^2	34.3	47.0	47.6	37.6
Family income per month
6000–8000 RMB	26.7	24	16.5	22.8
More than 8000 RMB	70.5	73	80.6	71.3