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Table 1 Characteristics of the study population

From: Use of television, videogames, and computer among children and adolescents in Italy

  N %
Gender   
Male 511 51.8
Female 476 48.2
Age (years) 13.7 ± 1.4*
Both parents in the household   
Yes 924 93.6
No 63 6.4
Number of siblings   
0 97 9.8
1 497 50.4
2 286 29
≥ 3 107 10.8
Parent's working activity   
Unemployed 34 3.4
Lower managerial, artisans, commercial 832 84.3
High professional, managerial 121 12.3
Height (m) 1.65 ± 0.1 (1.35–1.91)*
Weight (kg) 63.2 ± 15.1 (26–125)*
Body Mass Index (BMI) 23.1 ± 4.2 (14.1–40.7)*
Overweight (including obesity)   
Yes 225 22.8
No 762 77.2
Performing sport activity (minutes per day) 30.2 ± 32.3 (0–205.7)*
  1. *Mean ± Standard deviation (range)