| |
3mo (n = 32)
|
6mo (n = 31)
|
12mo (n = 31)
|
18mo (n = 18)
|
24mo (n = 28)
|
|---|
|
Infant sex (% boys)a
|
14 (44)
|
21 (68)
|
15 (48)
|
10 (56)
|
14 (50)
|
|
Infant weight (kg)b
|
5.8 (0.8)
|
7.7 (1.2)
|
9.0 (1.0)
|
9.9 (1.5)
|
10.8 (1.2)
|
|
Infant length (cm)b
|
58.7 (5.1)
|
65.0 (2.7)
|
72.9 (3.6)
|
79.3 (4.3)
|
82.3 (3.9)
|
|
Infant BMI z scoreb
|
0.2(2.5)
|
0.6 (1.6)
|
0.3 (1.3)
|
−0.3 (1.6)
|
0.2 (1.0)
|
|
Attainment of milestones at given agea
|
|
Holding head
|
21 (66)
|
NA
|
NA
|
NA
|
NA
|
|
Rolling
|
NA
|
13 (42)
|
NA
|
NA
|
NA
|
|
Sitting
|
NA
|
16 (52)
|
NA
|
NA
|
NA
|
|
Crawling
|
NA
|
7 (23)
|
16 (52)
|
NA
|
NA
|
|
Pulling up
|
NA
|
NA
|
14 (45)
|
NA
|
NA
|
|
Walking
|
NA
|
NA
|
9 (29)
|
6 (33)
|
28 (100)
|
|
Running
|
NA
|
NA
|
NA
|
4 (22)
|
NA
|
|
Maternal BMI (kg/m2)b
|
28.5 (9.1)
|
27.8 (6.7)
|
29.5 (7.0)
|
27.5 (8.0)
|
27.3 (6.7)
|
|
Maternal age (years)b
|
27 (5)
|
31 (6)
|
29 (5)
|
32 (6)
|
29 (7)
|
|
Infant PA (mg)c
|
23 (17–28)
|
30 (24–34)
|
36 (30–39)
|
39 (35–45)
|
44 (37–51)
|
|
Home Environment (score/48)b
|
24 (8)
|
20 (4)
|
21 (5)
|
24 (5)
|
NA
|
|
Maternal Beliefs (score/4)a
|
|
PA Knowledge
|
NA
|
1.4 (0.3)
|
1.4 (0.3)
|
NA
|
NA
|
|
PA views
|
NA
|
1.7 (0.5)
|
1.9 (0.6)
|
NA
|
NA
|
|
Negative PA views
|
NA
|
3.0 (0.5)
|
2.8 (0.6)
|
NA
|
NA
|
|
PA optimism
|
NA
|
1.4 (0.4)
|
1.5 (0.5)
|
NA
|
NA
|
|
Future expectations
|
NA
|
2.5 (0.8)
|
2.6 (0.7)
|
NA
|
NA
|
|
Floor play concerns
|
NA
|
3.0 (0.8)
|
3.0 (0.6)
|
NA
|
NA
|
|
Self efficacy
|
NA
|
1.4 (0.3)
|
1.5 (0.4)
|
NA
|
NA
|
-
BMI - body mass index, PA - physical activity. At 24-months, all toddlers were assumed to be walking although not specifically reported at this time-point
-
NA Indicates that data was not acquired at the specific age
-
an(%)
-
bAll data are presented as mean(SD)
-
cor median(IQR)
