Table 4 Stratified analyses of the associations between maternal aces and prolonged daily screen time in preschool children

Subgroups

Child age^c

0.179

 < 5 year

Ref

1.253 (0.905, 1.734)

1.450 (0.998, 2.105)

1.453 (0.914, 2.311)

1.466 (0.973, 2.211)

0.050

 ≥ 5 year

Ref

1.306 (0.926, 1.841)

1.874 (1.271, 2.762)

2.068 (1.292, 3.309)

2.558 (1.711, 3.825)

< 0.001

Child gender

0.302

 Boys

Ref

1.120 (0.811, 1.548)

1.734 (1.194, 2.518)

1.510 (0.951, 2.397)

1.753 (1.171, 2.625)

< 0.001

 Girls

Ref

1.539 (1.084, 2.183)

1.584 (1.068, 2.352)

1.909 (1.176, 3.098)

2.320 (1.527, 3.525)

< 0.001

Sing-child status

0.484

 Yes

Ref

1.287 (0.893, 1.854)

1.589 (1.051, 2.402)

1.378 (0.837, 2.266)

2.218 (1.444, 3.407)

< 0.001

 No

Ref

1.309 (0.958, 1.790)

1.729 (1.206, 2.478)

2.078 (1.320, 3.273)

1.895 (1.276, 2.814)

< 0.001

Maternal age^c

0.712

 < 33 year

Ref

1.160 (0.830, 1.620)

1.601 (1.095, 2.341)

1.522 (0.936, 2.473)

1.919 (1.274, 2.891)

< 0.001

 ≥ 33 year

Ref

1.493 (1.065, 2.092)

1.756 (1.191, 2.588)

1.881 (1.186, 2.984)

2.205 (1.460, 3.330)

< 0.001