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Summary of significant linear and nonlinear effects.
| Sleep/Wake Problems | Sleepiness | |
|---|---|---|
| Environmental Disruptions | Linear x Race | Nonlinear |
| Presleep Worries | Linear | Nonlinear |
| Presleep Family Concerns | Linear x Race Linear x SES |
Linear |
| Presleep Arousal | Linear x Race | Nonlinear |
| Presleep Family Concerns | Linear x SES | Linear |
