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Table 2 Description of the sample

From: Investigating the obesogenic effects of marketing snacks with toys: an experimental study in Latin America

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
  1. 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).