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Table 1 Characteristics of the study population, stratified by number of evaluation, Santiago 2010

From: Breast bud detection: a validation study in the Chilean Growth Obesity Cohort Study

  N %
Total 481  
Age (yrs) (mean, SD*) 7.83 0.4
Body Mass Index (kg/mt2)
 Underweight (< -1DS) 19 4.0
 Normal Weight (-1 DS- 1DS) 257 53.4
 Overweight (1-2DS) 127 26.4
 Obesity (>2DS) 78 16.2
Mother’s Schooling (yrs)   
 < 8 years 167 35.1
 ≥ 8 years 309 64.9
Attending with mother
 Yes 341 70.9
 No 140 29.1
Breast Tanner stage at moment of assessment
 B1 412 85.7
 B2 69 14.4
  1. *SD standard deviation.