| Model 1a | Model 2b | Model 3c |
---|---|---|---|
Beta | Beta | Beta | |
Sleep length(weekend) | |||
 Child’s gender | .134 | .088 | .086 |
 Child’s age | −.074 | −.079 | −.065 |
 Father’s education | −.118 | −.119 | −.116 |
 Mother’s education | −.110 | −.107 | −.121 |
 Annual household income | −.012 | −.007 | −.007 |
 ADHD |  | −.080 | −.076 |
 Screen behaviors in bedtime (Screen) |  | −.038 | −.050 |
 Diet behaviors in bedtime |  | .003 | .044 |
 Anxiety/Depression |  | .195** | .097 |
 Screen × ADHD |  |  | −.111* |
 Diet × ADHD |  |  | −.027 |
 Anxiety/Depression × ADHD |  |  | .236*** |
 R2(F) | .029 (3.7**) | .047 (3.4***) | .094 (5.3***) |
Sleep problems (total) | |||
 Child’s gender | −.029 | 1.260 | 1.267* |
 Child’s age | −.358 | .096 | .102 |
 Father’s education | −.127 | .108 | .113 |
 Mother’s education | −.902* | −.530 | −.531 |
 Annual household income | −.301 | −.354* | −.353* |
 ADHD |  | 2.792*** | 2.811*** |
 Screen behaviors in bedtime |  | .504 | .545+ |
 Diet behaviors in bedtime |  | .087 | .037 |
 Anxiety/Depression |  | 1.413*** | 1.437*** |
 Screen × ADHD |  |  | −.272 |
 Diet × ADHD |  |  | .165 |
 Anxiety/Depression × ADHD |  |  | −.060 |
 R2(F) | .034(3.649***) | .292(23.820***) | .293(17.874***) |
Sleep onset delay | |||
 Child’s gender | .029 | .057 | .062 |
 Child’s age | .021 | .026 | .031 |
 Father’s education | .061 | −.060 | −.061 |
 Mother’s education | −.088* | −.076* | −.075* |
 Annual household income | .009 | .010 | .010 |
 ADHD |  | .039 | .049 |
 Screen behaviors in bedtime |  | .038 | .048 |
 Diet behaviors in bedtime |  | .001 | .005 |
 Anxiety/Depression |  | .025 | −.025 |
 Screen × ADHD |  |  | .058* |
 Diet × ADHD |  |  | .0 |
 Anxiety/Depression × ADHD |  |  | −.002 |
 R2(F) | .044(5.6***) | .054(3.9***) | .064(3.5***) |
Sleep duration | |||
 Child’s gender | .050 | .192 | .188 |
 Child’s age | .051 | .097+ | .100+ |
 Father’s education | −.054 | −.026 | −.025 |
 Mother’s education | −.157+ | −.140+ | −.145+ |
 Annual household income | −.083* | −.086* | −.085* |
 ADHD |  | .325*** | .313*** |
 Screen behaviors in bedtime |  | .020 | .002 |
 Diet behaviors in bedtime |  | .031 | .046 |
 Anxiety/Depression |  | .087 | .046 |
 Screen × ADHD |  |  | .033 |
 Diet × ADHD |  |  | −.021 |
 Anxiety/Depression × ADHD |  |  | .095+ |
 R2(F) | .041 (5.0***) | .102 (7.4***) | .107 (5.8***) |
Night wakings | |||
 Child’s gender | .039 | .108 | .103 |
 Child’s age | .045 | .075* | .077* |
 Father’s education | −.043 | −.027 | −.029 |
 Mother’s education | −.160** | −.152** | −.152** |
 Annual household income | .018 | .019 | .021 |
 ADHD |  | .164*** | .157*** |
 Screen behaviors in bedtime |  | −.025 | −.018 |
 Diet behaviors in bedtime |  | .076+ | .057 |
 Anxiety/Depression |  | .065 | .050 |
 Screen × ADHD |  |  | −.043 |
 Diet × ADHD |  |  | .061+ |
 Anxiety/Depression × ADHD |  |  | .049 |
 R2(F) | .046 (5.7***) | .098 (7.2***) | .107 (5.9***) |
Sleep-disordered breathing | |||
 Child’s gender | −.133* | −.061 | −.061 |
 Child’s age | .010 | .035 | .036 |
 Father’s education | −.021 | −.009 | −.010 |
 Mother’s education | −.018 | −.011 | −.009 |
 Annual household income | .010 | .009 | .010 |
 ADHD |  | .170*** | .173*** |
 Screen behaviors in bedtime |  | .003 | .014 |
 Diet behaviors in bedtime |  | .025 | .014 |
 Anxiety/Depression |  | −.009 | −.008 |
 Screen × ADHD |  |  | −.052+ |
 Diet × ADHD |  |  | .036 |
 Anxiety/Depression × ADHD |  |  | .006 |
 R2(F) | .012 (1.5) | .067 (4.8***) | .074 (3.9***) |