Skip to main content
. 2018 May 8;8:7114. doi: 10.1038/s41598-018-25372-1

Table 1.

Selected characteristics of the study population.

Selected characteristics n [%] or n [median (min–max)]
Infants’ sex:
Female 8 [53%]
Male 7 [47%]
Maternal relationship status, married 15 [100%]
Maternal age at enrolment (years) 15 [31 (25–39)]
Pre-pregnancy BMI (kg/m2) 15 [24.9 (20.8–35.5)]
Gestation age (weeks) 15 [40.1 (37.6–41.7)]
Number of previous live births:
0 7 [47%]
>1 8 [53%]
No maternal smoke during pregnancy 15 [100%]
Maternal secondhand smoke during pregnancy
No 14 [93%]
Yes 1 [7%]
Maternal highest attained level of education:
Any post-graduate schooling 7 [47%]
College graduate 5 [33%]
Junior college graduate, or some college or technical school 3 [20%]
Daily number of infant’s feedings 1 : 4 months of age 6 months of age
Breast milk 14 [5.1 (3.3–11.7)] 12 [5.5 (1.0–9.3)]
Formula 4 [2.3 (0.6–8.0)] 5 [3.7 (0.3–7.3)]
Rice cereal 8 [0.3 (0.3–1.3)]
Other cereals 6 [0.7 (0.3–3.3)]
Fruits 11 [0.6 (0.3–3.3)]
Vegetables 8 [0.8 (0.3–1.7)]
Yogurt 2 [0.3]
Other foods2 1 [0.3]

1Average daily feedings based on a 3 day food diary.

2Refers to a participant that reported a meal of turkey with rice without specifying the amount consumed of each product individually.