Table 1 Characteristics of children and municipal public schools in Northern Brazil, according to the BMI classification by age, 2018. N = 1036
Variablesa | BMI Classification by Age | Total | p Value | |
|---|---|---|---|---|
Thinness and Eutrophy | Overweight and Obesity | |||
Gender | ||||
 Female | 405 (54.1%) | 164 (56.9%) | 569 (54.9%) | 0.417b |
 Male | 343 (45.9%) | 124 (43.1%) | 467 (45.1) |  |
Age | 8.0 (8.5–8.7) | 8.6 (8.5–8.7) | 8.0 (8.5–8.7) | 0.943c |
Grade | ||||
 Second | 389 (52%) | 144 (50%) | 533 (51.4%) | 0.563b |
 Fourth | 359 (48%) | 144 (50%) | 503 (48.6%) |  |
Anthropometric Variables | ||||
 Waist Circumference | 55.0 (55.0–55.6) | 66.0 (66.7–68.7) | 57.0 (58.3–59.3) | < 0,001d |
 Waist-to-height ratio | 0.42 (0.41–0.42) | 0.48 (0.49–0.50) | 0.43 (0.43–0.44) | < 0,001d |
Classification of Waist-to-heigh ratio | ||||
 Absence of cardiovascular risk | 732 (99,9%) | 174 (61,5%) | 906 (89,2%) | < 0,001b |
 Presence of cardiovascular risk | 1 (0,1%) | 109 (38,5%) | 110 (10,8%) |  |
Physical Activity | ||||
 Covered distance divided by height | 343.8 (342.6–350.1) | 332.5 (329.1–341.4) | 340.8 (340.1–346.5) | 0.003c |
 Number of non-sedentary activities | 2.0 (2.2–2.5) | 2.0 (2.1–2.6) | 2.0 (2.2–2.5) | 0.951c |
Non-sedentary activities classification | ||||
  < Median (< 2 activities) | 264 (35.3%) | 114 (39.6%) | 378 (36.5%) | 0.199b |
  > Median (> 2 activities) | 484 (64.7%) | 174 (60.4%) | 658 (63.5%) |  |
Non-sedentary activities intensity | 6.0 (6.2–7.0) | 5.0 (5.7–7.0) | 5.0 (6.2–6.9) | 0.447c |
Non-sedentary activities intensity classification | ||||
  < Median (< 5 activities) | 322 (43%) | 137 (47.6%) | 459 (44.3%) | 0.189b |
  > Median (> 5 activities) | 426 (57%) | 151 (52.4%) | 577 (55.7%) |  |
 Number of sedentary activities/day | 2.0 (2.1–2.4) | 2.0 (2.5–3.0) | 2.0 (2.3–2.6) | 0.005c |
Sedentary activities classification | ||||
  < Median (< 2 activities) | 331 (44.3%) | 100 (34.7%) | 431 (41.6%) | 0.005b |
  > Median (> 2 activities) | 417 (55.7%) | 188 (65.3%) | 605 (58.4%) |  |
Food Consumption | ||||
 Number of meals | 5.0 (4.7–4.8) | 5.0 (4.6–4.9) | 5.0 (4.7–4.8) | 0.909c |
 Meals adequacy | ||||
  Insufficient (< 5 meals) | 276 (36.9%) | 115 (39.9%) | 391 (37.7%) |  |
  Adequate (> 5 meals) | 472 (63.1%) | 173 (60.1%) | 645 (62.3%) |  |
Cereals group portions | 3.0 (2.8–3.1) | 3.0 (2.7–3.1) | 3.0 (2.8–3.0) | 0.605c |
 Cereals group adequacy | ||||
  Insufficient (< 6 portions) | 706 (94.4%) | 276 (95.8%) | 982 (94.8%) | 0.347b |
 Adequate (> 6 portions) | 42 (5.6%) | 12 (4.2%) | 54 (5.2%) |  |
 Vegetables group portions | 0.0 (0.6–0.8) | 0.0 (0.6–0.8) | 0.0 (0.6–0.8) | 0.923c |
 Vegetables group adequacy | ||||
  Insufficient (< 3 portions) | 713 (95.3%) | 274 (95.1%) | 987 (95.3%) | 0.902b |
  Adequate (> 3 portions) | 35 (4.7%) | 14 (4.9%) | 49 (4.7%) |  |
 Fruits group portions | 1.0 (0.9–1.1) | 1.0 (1.0–1.3) | 1.0 (1.0–1.1) | 0.087c |
Fruits group adequacy | ||||
 Insufficient (< 3 portions) | 662 (88.5%) | 249 (86.5%) | 911 (87.9%) | 0.365b |
 Adequate (> 3 portions) | 86 (11.5%) | 39 (13.5%) | 125 (12.1%) |  |
 Dairy group portions | 0.0 (0.7–0.8) | 0.0 (0.6–0.8) | 0.0 (0.7–0.8) | 0.866c |
Dairy group adequacy | ||||
 Insufficient (< 3 portions) | 708 (94.7%) | 270 (93.8%) | 978 (94.4%) | 0.571b |
 Adequate (3 portions) | 40 (5.3%) | 18 (6.3%) | 58 (5.6%) |  |
Meat and eggs group portions | 2.0 (1.5–1.7) | 2.0 (1.5–1.8) | 2.0 (1.5–1.7) | 0.666c |
Meat and eggs group adequacy | ||||
 Insufficient (< 1 portions) | 118 (15.8%) | 34 (11.8%) | 152 (14.7%) | 0.233b |
 Adequate (1–2 portions) | 498 (66.7%) | 205 (71.2%) | 703 (67.9%) |  |
 Excessive (> 2 portions) | 131 (17.5%) | 49 (17%) | 180 (17.4%) |  |
 Legume group portions | 1.0 (1.2–1.3) | 1.0 (1.0–1.2) | 1.0 (1.2–1.3) | 0.065c |
Legume group adequacy | ||||
 Insufficient (< 1 portions) | 179 (23.9%) | 76 (26.4%) | 255 (24.6%) | 0.469b |
 Adequate (1–2 portions) | 526 (70.3%) | 200 (69.4%) | 726 (70.1%) |  |
 Excessive (> 2 portions) | 43 (5.7%) | 12 (4.2%) | 55 (5.3%) | |
Fat group portions | 1.0 (1.5–1.7) | 1.0 (1.5–1.8) | 1.0 (1.5–1.7) | 0.538c |
Fat group adequacy | ||||
 Adequate (< 0 portions) | 216 (28.9%) | 71 (24.7%) | 287 (27.7%) | 0.173b |
 Excessive (> 1 portions) | 532 (71.1%) | 217 (75.3%) | 749 (72.3%) |  |
 Sugar group portions | 1.0 (1.1–1.3) | (1.0–1.3 – 1.7) | 1.0 (1.2–1.4) | 0.019c |
Sugar group adequacy | ||||
Adequate (< 0 portions) | 477 (63.8%) | 163 (56.6%) | 640 (61.8%) | 0.033b |
Excessive (> 1 portions) | 271 (36.2%) | 125 (43.4%) | 396 (38.2%) |  |