Table 1 Demographics

N enrolled

105

112

108

39

N completed

102

105

100

35

Sex (% male)

57.1%

60.7%

57.4%

59%

Age at enrolment (months)

3.0 ± 1.2

2.9 ± 1.1

3.2 ± 1.0

3.1 ± 1.1

Weight at enrolment (kg)^*

5.5 ± 1.2^b

5.7 ± 1.2^b

6.2 ± 1.2^a

5.7 ± 1.2^a,b

Length at enrolment (cm)^*

57.9 ± 4.5^b

59.6 ± 4.4^a

60.5 ± 4.4^a

59.2 ± 4.6^a,b

Head circumference at enrolment (cm)^#

39.1 ± 2.2^b

39.7 ± 2.0^a,b

40.4 ± 2.1^a

39.8 ± 4.0^a,b

Mode of delivery (% vaginal)

34.3%

44.6%

49.1%

38.5%

Gestational age (weeks)^#

38.6 ± 1.0^b

39.0 ± 1.2^a

38.9 ± 1.2^a,b

38.9 ± 1.2^a,b

Birth weight (kg)

3.1 ± 0.4

3.1 ± 0.4

3.1 ± 0.4

3.1 ± 0.5

Birth length (cm)

49.7 ± 2.2

50.2 ± 2.0

50.0 ± 2.6

49.0 ± 2.7

Twins/triplets (%)

10.5%

4.5%

0%

15.4%