# Table 3 Multivariate logistic (1) and linear (2–4) regression analyses indicating associations between several variables and the different outcomes

Variable OR 95% CI p
Model 1. Viewing TV for at least two hours per day
Log likelihood = -518.81, χ2 = 75.16 (14 df), p < 0.0001
Age 1.16 1.04–1.3 0.006
Gender 1.22 0.86–1.73 0.26
Number of siblings 0.98 0.81–1.18 0.83
Both parents in the household 0.86 0.44–1.68 0.67
Parent's working activity as lower managerial, artisans, commercial 1.4 0.61–3.19 0.43
Parent's working activity as high professional, managerial 1.1 0.44–2.74 0.84
Number of TVs in the home 0.97 0.82–1.16 0.77
TV in the bedroom 0.85 0.5–1.46 0.57
Routinely viewing TV in the bedroom 1.05 0.76–1.44 0.78
Parental control in viewing TV 0.93 0.68–1.27 0.66
Always eat lunch or dinner during TV viewing 1.82 1.32–2.52 < 0.001
Mean minutes per day of performing sport activity 0.99 0.99–1.001 0.69
Mean minutes per day of computer using 1.006 1.003–1.009 < 0.001
Mean minutes per day of videogames playing 1.006 1.003–1.008 < 0.001
Variable Coeff. t p
Model 2. Mean minutes per day of TV viewing
F(14,972) = 7.23, p < 0.0001, R2 = 9.4%, adjusted R2 = 8.1%
Age 5.09 2.96 0.003
Gender -0.68 -0.12 0.9
Number of siblings 3.8 1.31 0.19
Both parents in the household -4.98 -0.51 0.61
Parent's working activity as lower managerial, artisans, commercial 28.7 2.2 0.03
Parent's working activity as high professional, managerial 25.67 1.77 0.08
Number of TVs in the home -0.4 -0.15 0.88
TV in the bedroom 1.23 0.15 0.89
Routinely viewing TV in the bedroom -7.88 -1.58 0.12
Parental control in viewing TV 0.04 0.01 0.99
Always eat lunch or dinner during TV viewing 23.65 4.86 < 0.001
Mean minutes per day of performing sport activity -0.01 -1.25 0.21
Mean minutes per day of computer using 0.14 4.02 < 0.001
Mean minutes per day of videogames playing 0.18 4.5 < 0.001
Variable Coeff. t p
Model 3. Mean minutes per day of videogames playing
F(11,576) = 8.58, p < 0.0001, R2 = 14.1%, adjusted R2 = 12.4%
Age -7.85 -4.53 < 0.001
Gender -35.11 -6.13 < 0.001
Number of siblings -2.61 -0.86 0.39
Both parents in the household -13.64 -1.4 0.16
Parent's working activity as lower managerial, artisans, commercial -7.44 -0.5 0.62
Parent's working activity as high professional, managerial -16.01 -0.98 0.33
Parental control in playing videogames -12.11 -2.21 0.028
Playing videogames alone -2.74 0.45 0.65
Mean minutes per day of performing sport activity -0.009 -0.85 0.4
Mean minutes per day of computer using 0.09 2.47 0.014
Mean minutes per day of TV viewing 0.15 4.58 < 0.001
Variable Coeff. t p
Model 4. Mean minutes per day of computer using
F(13,821) = 5.9, p < 0.0001, R2 = 8.5%, adjusted R2 = 7.1%
Age 3.4 2.1 0.04
Gender 0.72 0.14 0.89
Number of siblings -3.29 -1.22 0.22
Both parents in the household 5.96 0.67 0.51
Parent's working activity as lower managerial, artisans, commercial -2.71 -0.2 0.84
Parent's working activity as high professional, managerial -4.53 -0.38 0.71
Number of computer in the home 16.62 4.07 < 0.001
Computer in the bedroom 10.36 2.27 0.02
Parental control in computer using 1.46 0.32 0.75
Computer use to play -11.32 -1.55 0.12
Mean minutes per day of performing sport activity 0.002 0.25 0.8
Mean minutes per day of videogames playing 0.12 3.2 0.001
Mean minutes per day of TV viewing 0.13 4.45 < 0.001