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Table 4 Association between socio-demographic, psycho-social and biological characteristics of Norwegian children and total screen time

From: Stability and change in screen-based sedentary behaviours and associated factors among Norwegian children in the transition between childhood and adolescence

Characteristics of participants Total screen time at baseline Total screen time at T2
  Girls Boys Girls Boys
  M* SD* p M* SD* p M* SD* p M* SD* p
Self-efficacy related to barriers to physical activity
   Low 19.56 11.10 0.02 24.46 12.07 < 0.001 25.01 11.68 0.001 27.39 13.17 < 0.001
   High 16.96 10.39   17.19 9.50   21.13 10.58   20.82 11.19  
Parental regulation of screen time
   Low 19.89 11.71 0.13 22.31 12.01 0.32 24.49 11.99 0.24 26.33 13.67 0.02
   High 17.96 10.57   21.10 11.46   22.94 11.11   23.38 12.25  
BMI status
   Non-overweight 17.88 10.30 0.04 20.81 11.18 < 0.001 22.84 11.09 0.08 23.88 12.41 0.07
   Overweight/obese 20.93 12.79   27.01 14.25   25.82 12.20   27.40 14.13  
Pubertal stage
   Pre-pubertal 16.47 10.30 0.40 21.61 10.30 0.74 20.88 10.29 0.29 22.68 12.22 0.32
   Early pupertal 19.30 11.49   21.07 11.57   24.15 11.40   24.74 12.56  
   Mid/late/post-pubertal 18.44 10.65   20.28 12.46   23.56 11.50   24.17 12.46  
Ethnicity
   Norwegian 17.79 10.10 < 0.001 21.65 11.78 0.87 23.10 11.14 0.25 24.37 12.76 0.78
   Ethnic Minority 26.43 14.77   22.04 12.21   25.60 13.62   23.65 12.71  
Parental education
   Low 18.88 12.16 0.51 22.85 13.44 0.23 25.18 11.71 0.03 25.74 13.70 0.20
   Medium 18.98 10.02   20.59 10.60   23.42 11.71   24.01 12.03  
   High 17.59 10.72   21.05 10.84   21.52 10.43   23.06 12.54  
Living status
   Married or cohabitating parents 18.72 10.74 0.26 20.83 11.56 0.003 23.17 11.32 0.62 23.26 12.13 0.001
   Other 17.13 11.64   24.97 12.45   23.89 11.47   28.15 14.30  
  1. *Values presented as Mean (M) and Standard Deviations (SD), n = 419 girls and 466 boys, and varies slightly between variables