Table 1 Child and maternal characteristics by early onset of screen use and prolonged daily screen time in preschool children

Child’s age, mean (SD)

4.6 (1.0)

4.5 (1.0)

0.001

4.8 (1.0)

4.4 (0.8)

< 0.001

Gender, n (%)

0.316

0.356

Boy

1438 (52.0%)

179 (49.2%)

1071 (52.2%)

546 (50.5%)

Girl

1329 (48.0%)

185 (50.8%)

979 (47.8%)

535 (49.5%)

Single-child status, n (%)

0.845

0.629

No

1551 (56.1%)

206 (56.6%)

1144 (55.8%)

613 (56.7%)

Yes

1216 (43.9%)

158 (43.4%)

906 (44.2%)

468 (43.3%)

Maternal age, mean (SD)

33.4 (4.6)

33.5 (4.9)

0.647

33.7 (4.6)

32.7 (4.7)

< 0.001