|
Sample characteristics
|
N
|
Argentina
|
Brazil
|
Mexico
|
Total
|
P-value
|
|---|
| | | |
(N = 120)
|
(N = 360)
|
(N = 120)
|
(N = 600)
| |
|---|
|
Child BMI
| |
600
|
14.91/16.43/19.01
|
14.99/16.35/18.12
|
14.88/16.40/18.79
|
14.91/16.37/18.35
|
p = 0.781
|
|
Mother BMI
| |
485
|
21.49/23.04/26.15
|
22.31/25.66/28.77
|
23.32/24.65/25.54
|
22.22/24.54/27.48
|
p < 0.001
|
|
Father BMI
| |
340
|
24.82/26.99/29.06
|
22.77/25.12/27.68
|
24.74/25.47/26.34
|
24.22/25.75/27.58
|
p < 0.001
|
|
Neonatal feeding
|
Breast-feeding
|
553
|
77% (90)
|
93% (299)
|
50% (57)
|
81% (446)
|
p < 0.001
|
| |
Bottle-feeding
| |
12% (14)
|
6% (18)
|
26% (29)
|
11% (61)
| |
| |
Mixed (breast + bottle)
| |
11% (13)
|
2% (6)
|
24% (27)
|
8% (46)
| |
|
Number of sisters
|
0
|
600
|
52% (62)
|
44% (159)
|
68% (82)
|
50% (303)
|
p < 0.001
|
| |
1
| |
38% (46)
|
35% (125)
|
30% (36)
|
34% (207)
| |
| |
2
| |
9% (11)
|
13% (46)
|
2% (2)
|
10% (59)
| |
| |
3
| |
1% (1)
|
5% (18)
|
0% (0)
|
3% (19)
| |
| |
4
| |
0% (0)
|
2% (7)
|
0% (0)
|
1% (7)
| |
| |
5
| |
0% (0)
|
0% (1)
|
0% (0)
|
0% (1)
| |
| |
6
| |
0% (0)
|
1% (4)
|
0% (0)
|
1% (4)
| |
|
Number of brothers
|
0
|
840
|
57% (69)
|
40% (144)
|
57% (69)
|
47% (282)
|
p < 0.001
|
| |
1
| |
32% (39)
|
34% (122)
|
40% (48)
|
35% (209)
| |
| |
2
| |
9% (11)
|
17% (60)
|
2% (2)
|
12% (73)
| |
| |
3
| |
1% (1)
|
7% (26)
|
1% (1)
|
5% (28)
| |
| |
4
| |
0% (0)
|
1% (5)
|
0% (0)
|
1% (5)
| |
| |
5
| |
0% (0)
|
0% (1)
|
0% (0)
|
0% (3)
| |
| |
6
| |
0% (0)
|
0% (1)
|
0% (0)
|
0% (1)
| |
| |
8
| |
0% (0)
|
0% (1)
|
0% (0)
|
0% (1)
| |
|
Frequency of breakfast before school
|
2-3 times per week
|
600
|
5% (6)
|
5% (19)
|
4% (5)
|
5% (30)
|
p = 0.024
|
| |
3-4 times per week
| |
8% (10)
|
4% (15)
|
12% (15)
|
7% (40)
| |
| |
Never
| |
11% (13)
|
10% (37)
|
4% (5)
|
9% (55)
| |
| |
Every day
| |
76% (91)
|
80% (289)
|
79% (95)
|
79% (475)
| |
|
Daily fruit portions
|
1
|
600
|
52% (63)
|
31% (111)
|
42% (51)
|
38% (225)
|
p < 0.001
|
| |
2
| |
22% (27)
|
30% (107)
|
48% (57)
|
32% (191)
| |
| |
3
| |
8% (9)
|
12% (42)
|
6% (7)
|
10% (58)
| |
| |
4
| |
2% (2)
|
6% (20)
|
2% (2)
|
4% (24)
| |
| |
None
| |
12% (15)
|
14% (51)
|
2% (2)
|
11% (68)
| |
| |
More than 4
| |
3% (4)
|
8% (29)
|
1% (1)
|
6% (34)
| |
|
Daily vegetable portions
|
1
|
600
|
56% (67)
|
29% (106)
|
41% (49)
|
37% (222)
|
p < 0.001
|
| |
2
| |
28% (33)
|
15% (55)
|
37% (44)
|
22% (132)
| |
| |
3
| |
2% (3)
|
4% (13)
|
18% (22)
|
6% (38)
| |
| |
4
| |
2% (2)
|
2% (7)
|
2% (3)
|
2% (12)
| |
| |
None
| |
12% (15)
|
47% (168)
|
1% (1)
|
31% (184)
| |
| |
More than 4
| |
0% (0)
|
3% (11)
|
1% (1)
|
2% (12)
| |
|
TV viewing (hours/week)
| |
600
|
12.75/18.00/28.00
|
7.75/15.00/24.00
|
9.00/11.00/13.00
|
9.00/14.00/23.00
|
p < 0.001
|
|
Television set at home (n°)
| |
600
|
2.00/3.00/3.00
|
1.00/1.00/2.00
|
2.00/2.00/2.00
|
1.00/2.00/2.00
|
p < 0.001
|
|
IBAI score
| |
600
|
4.00/ 8.00/14.00
|
7.00/11.00/16.00
|
8.75/16.50/24.00
|
7.00/11.00/17.00
|
p < 0.001
|
- Values for the categorical variables are expressed as a percentage (absolute numbers in parentheses) and those for continuous variables as the median (I quartile / median / III quartile).
