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Table 1 Demographic characteristics of cases and controls

From: Prevalence of overweight in children with bone fractures: a case control study

  Cases Controls
Number 449 130
Gender (M/F) (%) 292/157 (65/35) 83/47 (65/35)
Age (yrs) 8.7±2.9 8.3±2.9
Height (cm)* 135.4±19.3 130.9±18.8
Height-SDS*** 0.8±1.2 0.4±1.2
Weight (kg)* 39.4±15.0 35.5±17.4
BMI (kg/m 2 )* 20.5±4.5 19.4±4.9
BMI-SDS ** 1.35 (−5; 5) 0.98 (−3; 3)
Father’s educational level n (%) a   
Elementary 35 (8.6) 17 (13.4)
Middle school 177 (43.7) 63 (49.6)
High school 159 (39.2) 42 (33.0)
Degree 34 (8.4) 5 (3.9)
Mother’s educational level n (%) a   
Elementary 38 (9.3) 19 (14.7)
Middle school 171 (42.0) 53 (41.0)
High school 164 (40.2) 50 (38.7)
Degree 34 (8.3) 7 (5.4)
  1. Data are expressed as mean±SD or number (%), as appropriate.
  2. Variables not normally distributed (BMI-SDS) were logarithmically transformed; results are expressed as untransformed values (median, min; max). The independent sample t-test was used to compare the means of continuous variables, while the chi-square test was used for categorical variables.
  3. * p < 0.01 ** p = 0.008 *** p < 0.001.
  4. a Information about parents educational level was not available for all the cases and controls.