Table 2 Description of the sample
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 | |