Table 1 Baseline description of the reference cohort and the participants evaluated and lost for each outcome. FECHIC, 2016
Variables | Reference (n = 962) | Anthropometric indicators | Body composition | Metabolic indicators | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Included (n = 734) | Lost (n = 228) | Diff. in % | p-value | Included (n = 639) | Lost (n = 323) | Diff. in % | p-value | Included (n = 578) | Lost (n = 384) | Diff. in % | p-value | ||
Child characteristics | |||||||||||||
 Sex, n (%) |  |  |  |  | 0.792 |  |  |  | 0.728 |  |  |  | 0.642 |
  Male | 463 (48.1) | 355 (48.4) | 108 (47.4) |  − 2.1 |  | 305 (47.7) | 158 (48.9) | 2.5 |  | 282 (48.8) | 181 (47.1) |  − 3.5 |  |
  Female | 499 (51.9) | 379 (51.6) | 120 (52.6) | 1.9 |  | 334 (52.3) | 165 (51.1) |  − 2.3 |  | 296 (51.2) | 203 (52.9) | 3.3 |  |
 Age in years, mean (SD) | 4.9 (0.5) | 4.9 (0.5) | 4.8 (0.5) |  − 2.1 | 0.148 | 4.9 (0.5) | 4.8 (0.5) |  − 2.0 | 0.082 | 4.9 (0.5) | 4.8 (0.5) |  − 2.0 | 0.213 |
 BMI z-score, mean (SD) | 1.0 (1.2) | 1.0 (1.2) | 1.1 (1.2) | 9.1 | 0.163 | 1.0 (1.2) | 1.1 (1.2) | 10.0 | 0.217 | 1.0 (1.2) | 1.1 (1.2) | 10.0 | 0.469 |
 Weight status, n (%) |  |  |  |  | 0.444 |  |  |  | 0.463 |  |  |  | 0.715 |
  Normal weight | 509 (52.9) | 396 (53.9) | 113 (49.6) |  − 8.0 |  | 344 (53.8) | 165 (51.1) |  − 5.0 |  | 308 (53.2) | 201 (52.3) |  − 1.7 |  |
  Overweight | 277 (28.8) | 209 (28.5) | 68 (29.8) | 4.6 |  | 185 (29.0) | 92 (28.5) |  − 1.7 |  | 169 (29.2) | 108 (28.1) |  − 3.8 |  |
  Obesity | 176 (18.3) | 129 (17.6) | 47 (20.6) | 17.0 |  | 110 (17.2) | 66 (20.4) | 18.6 |  | 101 (17.5) | 75 (19.6) | 12.0 |  |
Maternal characteristics | |||||||||||||
 Age in years, mean (SD) | 31.4 (6.7) | 31.6 (6.7) | 30.5 (6.6) |  − 3.6 | 0.024 | 31.7 (6.7) | 30.8 (6.5) |  − 2.8 | 0.057 | 31.6 (6.6) | 31.0 (6.8) |  − 1.9 | 0.225 |
 BMI, mean (SD) | 28.8 (5.5) | 28.7 (5.6) | 29.0 (5.1) | 1.0 | 0.549 | 28.7 (5.6) | 28.8 (5.3) | 0.3 | 0.871 | 28.7(5.6) | 28.8 (5.3) | 0.3 | 0.823 |
 Work outside of home, n (%) | 483 (50.2) | 362 (49.3) | 117 (51.3) | 4.1 | 0.598 | 315 (49.3) | 164 (50.8) | 3.0 | 0.665 | 275 (47.6) | 204 (53.1) | 11.6 | 0.092 |
 Education level, n (%) |  |  |  |  | 0.003 |  |  |  |  < 0.001 |  |  |  |  < 0.001 |
  Low | 173 (18.0) | 118 (16.1) | 55 (24.1) | 49.7 |  | 100 (15.6) | 73 (22.6) | 44.9 |  | 96 (16.6) | 77 (20.1) | 21.1 |  |
  Medium | 530 (55.1) | 425 (57.9) | 105 (46.1) |  − 20.4 |  | 380 (59.5) | 150 (46.4) |  − 22.0 |  | 352 (60.9) | 178 (46.3) |  − 24.0 |  |
  High | 259 (26.9) | 191 (26.0) | 68 (29.8) | 14.6 |  | 159 (24.9) | 100 (31.0) | 24.5 |  | 130 (22.5) | 129 (33.6) | 49.3 |  |