Table 1.
Participant sociodemographic characteristics by study site
| Total | Sex, n (%) | Highest parental education level, n (%) |
Number of parents, n (%) |
Number of siblings, n (%) |
zBMI | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Boys | 1 | 2 | 3 | ≤1 | ≥2 | 0 | 1 | 2 | 3 | ≥4 | Mean (SD) | |
| Australia | 435 | 203 (47) | 47 (49) | 201 (46) | 185 (43) | 71 (16) | 364 (84) | 31 (7) | 199 (46) | 119 (27) | 55 (13) | 31 (7) | 0.57 (1.12) |
| England | 376 | 161 (43) | 43 (11) | 190 (51) | 175 (47) | 81 (22) | 295 (78) | 36 (10) | 175 (47) | 96 (26) | 40 (11) | 29 (8) | 0.41 (1.08) |
| Canada | 500 | 203 (41) | 41 (10) | 132 (26) | 358 (72) | 67 (13) | 433 (87) | 62 (12) | 250 (50) | 118 (24) | 44 (9) | 26 (5) | 0.41 (1.21) |
| Finland | 433 | 195 (45) | 45 (12) | 235 (54) | 186 (43) | 82 (19) | 351 (81) | 60 (14) | 173 (40) | 118 (27) | 49 (11) | 33 (8) | 0.27 (1.04) |
| Portugal | 577 | 241 (42) | 42 (262) | 193 (33) | 122 (21) | 69 (12) | 508 (88) | 159 (28) | 310 (54) | 80 (14) | 18 (3) | 10 (2) | 0.82 (1.15) |
| USA | 446 | 183 (41) | 41 (26) | 191 (43) | 229 (51) | 145 (33) | 301 (67) | 45 (10) | 140 (31) | 118 (26) | 81 (18) | 62 (14) | 0.72 (1.28) |
| Brazil | 435 | 211 (49) | 49 (103) | 234 (54) | 98 (23) | 80 (18) | 355 (82) | 87 (20) | 183 (42) | 107 (25) | 34 (8) | 24 (6) | 0.87 (1.41) |
| Colombia | 821 | 403 (49) | 49 (247) | 424 (52) | 150 (18) | 173 (21) | 648 (79) | 70 (9) | 262 (32) | 237 (29) | 111 (14) | 141 (17) | 0.20 (1.04) |
| China | 462 | 238 (52) | 52 (161) | 207 (45) | 94 (20) | 23 (5) | 439 (95) | 305 (66) | 136 (29) | 14 (3) | 4 (1) | 3 (1) | 0.73 (1.54) |
| India | 526 | 237 (45) | 45 (28) | 114 (22) | 384 (73) | 28 (5) | 498 (95) | 119 (23) | 344 (65) | 51 (10) | 7 (1) | 5 (1) | 0.21 (1.37) |
| South Africa | 387 | 152 (39) | 39 (185) | 146 (38) | 56 (14) | 146 (38) | 241 (62) | 21 (5) | 144 (37) | 118 (30) | 49 (13) | 55 (14) | 0.31 (1.28) |
| Kenya | 457 | 208 (46) | 46 (64) | 212 (46) | 181 (40) | 116 (25) | 341 (75) | 47 (10) | 128 (28) | 148 (32) | 61 (13) | 73 (16) | −0.02 (1.22) |
zBMI Body mass index z-score (World Health Organization), USA United States
Parent education levels are 1 < high school and some high school, 2 completed high school and some post-secondary (e.g., vocational diploma or certificate); 3 bachelor degree and post-graduate