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

BMC Pediatrics

Table 1 Demographic characteristics of cases and controls

	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)

Data are expressed as mean±SD or number (%), as appropriate.
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.
* p < 0.01 ** p = 0.008 *** p < 0.001.
^a Information about parents educational level was not available for all the cases and controls.

ISSN: 1471-2431