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Table 1 Baseline demographic characteristics of the sample according to school type

From: Influence of the family nucleus on obesity in children from northeastern Brazil: a cross-sectional study

Variables All Schools ρ value
   n = 699 Public (n = 415) Private (n = 284)  
Age (y) 7.1 ± 1.3 7.4 ± 1.2 6.7 ± 1.3 0.000
Gender (boys) 333 (48.0) 188 (45.4) 145 (51.1) 0.142
Ethnic group (mulatto) 306 (43.8) 225 (56.8) 81 (29.0) 0.000
Overweight (%) 64 (9.3) 26 (6.5) 38 (13.4) 0.000
Obesity (%) 31 (4.4) 12 (2.7) 19 (7.0) 0.000
Fathers' occupation (works outside) 603 (86.2) 345 (85.1) 258 (87.7) 0.385
Mothers' occupation (works outside) 365 (52.2) 208 (50.9) 157 (55.3) 0.251
Positive father's obesity history 217 (31.0) 119 (29.5) 98 (35.0) 0.143
  mother's 245 (35.1) 143 (35.1) 102 (36.2) 0.780
  parent's 118 (16.9) 70 (16.9) 48 (16.8) 0.982
Social status low 424 (60.7) 344 (83.9) 80 (28.3) 0.000
  middle 240 (34.3) 66 (16.1) 174 (61.5) 0.000
  high 29 (4.1) - 29 (10.2) 0.000
Economic status low 296 (42.3) 277 (67.4) 19 (6.7) 0.000
  middle 348 (49.8) 130 (31.6) 218 (77.3) 0.000
  high 49 (7.0) 4 (1.0) 45 (16.0) 0.000
  1. Data are means ± SD. n (%). ρ based on Wilcoxon's rank-sum test for continuous variables and χ2 test for categorical variables