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Table 4 Standard error of measurement results for the different sections of the screen-time questionnaire

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

  SEM (min) 95% CI
Weekday Television 55.10 46.53–63.55
Television-connected devices 33.42 28.22–38.54
Laptop/computer 99.81 84.27–115.10
Smartphone 27.80 23.47–32.06
Tablet 38.27 32.31–44.13
Weeknight Television 45.82 38.68–52.84
Television-connected devices 36.93 31.18–42.59
Laptop/computer 78.07 65.91–90.03
Smartphone 30.01 25.34–34.61
Tablet 21.17 17.87–24.41
Weekend day Television 47.70 40.27–55.01
Television-connected devices 51.35 43.36–59.22
Laptop/computer 81.39 68.26–93.24
Smartphone 146.89 124.01–169.39
Tablet 24.66 20.82–28.44
Background use Weekday 93.07 78.58–107.33
Weeknight 56.12 47.38–64.72
Weekend day 129.73 109.53–149.60
  1. SEM Standard error of measurement, CI Confidence interval