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Table 2 Associations between screen use and risk of autism risk (M-CHAT score): Inverse probability weighted (IPW), survey weighted, multinomial logistic regression model: Odds Ratios (OR), 95% Confidence Interval (CI). ELFE cohort, France, 2011–2013

From: TV, computer, tablet and smartphone use and autism spectrum disorder risk in early childhood: a nationally-representative study

  Intermediate risk
of autism
OR (95%CI)
P-value High risk of autism
OR (95%CI)
P-value
Overall screen media use
TV/computer/tablet/smartphone use
Rarely/never (n = 1714) Reference   Reference  
 Monthly (n = 521) 1.03 (0.93—1.14) .48 0.89 (0.72—1.10) .26
 Weekly (n = 2,517) 1.07 (1.02—1.12) .006 0.60 (0.50—0.73) .002
 Daily (n = 8,198) 1.05 (1.02—1.08) .003 0.75 (0.62—0.91) .008
Number of hours of screen media use
TV/Computer/tablet (hrs/week)
Never (n = 2124) Reference   Reference  
  ≤ 1 h (n = 1198) 0.96 (0.90- 1.02) .15 0.72 (0.61—0.86) .002
 1–2 h (n = 1292) 1.03 (0.99- 1.08) .13 0.09 (0.08—0.11)  < .001
  > 2 h (n = 7884) 1.01 (0.99—1.03) .31 0.61 (0.54—0.68)  < .001
TV (hrs/day)
 Never (n = 1845) Reference   Reference  
  ≤ 30 min (n = 3632) 1.03 (0.99—1.08) .10 0.79 (0.63—0.99) .04
 30 min-1 h (n = 3029) 1.00 (0.96—1.05) .80 0.33 (0.27—0.41)  < .001
 1–2 h (n = 2257) 1.02 (0.98—1.05) .31 0.60 (0.49—0.74) .002
  ≥ 2 h (n = 846) 1.11 (1.06—1.17) .006 0.52 (0.37—0.73) .002
Computer/tablet use (hrs/week)
Never (n = 8485) Reference   Reference  
  ≤ 1 h (n = 2150) 0.94 (0.91—0.96) .004 0.24 (0.22—0.26)  < .001
 1–2 h (n = 781) 1.02 (0.98—1.05) .30 0.82 (0.70—0.98) .03
  > 2 h (n = 596) 0.94 (0.85—1.04) .19 0.83 (0.64 – 1.07) .13