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

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