Variable

Mean

(SD)

Maternal age at recruitment (years)

27.11

5.84

Maternal weight at delivery (kg)

77.2

14.85

Infant birth weight (kg)

3.22

0.56

Weight/length by age & sex percentile (12 mo.)

70

28

Infant weight gain 3-6 months (kg)

1.82

0.95

Infant age at 1-year visit (days)

368

23

Number of feeds per day

7.89

2.59

Feeding sensitivity (1–16)

11.25

2.43

Infant difficultness (1–7)

2.25

0.56

Sleep (hours-minutes)

11’ 34”

2’ 34”

Infant motor activity (counts/24 hours)

10222

6,283

Infant age at 3-year visit (days)

1109

53

BMI by age & sex percentile (3 yr)

71

25