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Table 3 Intra-class correlation results for the different sections of the screen-time questionnaire

From: Reliability of a new measure to assess modern screen time in adults

  ICC 95% CI p value
Weekday Television 0.79 0.69–0.86 0.000
Television-connected devices 0.90 0.85–0.94 0.000
Laptop/computer 0.89 0.83–0.92 0.000
Smartphone 0.85 0.78–0.90 0.000
Tablet 0.61 0.45–0.73 0.000
Weeknight Television 0.50 0.31–0.64 0.000
Television-connected devices 0.82 0.74–0.88 0.000
Laptop/computer 0.68 0.55–0.78 0.000
Smartphone 0.66 0.51–0.77 0.000
Tablet 0.68 0.54–0.78 0.000
Weekend day Television 0.87 0.80–0.91 0.000
Television-connected devices 0.84 0.76–0.89 0.000
Laptop/computer 0.84 0.76–0.89 0.000
Smartphone 0.16 −0.05 – 0.37 0.069
Tablet 0.74 0.62–0.82 0.000
Background use Weekday 0.86 0.79–0.91 0.000
Weeknight 0.79 0.69–0.86 0.000
Weekend day 0.73 0.61–0.82 0.000
  1. ICC Intra-class correlation coefficient, CI Confidence interval