Table 4.
Results of the linear mixed effects models for actigraph-measured sleep quality metrics between the two experimental conditions, controlling for lifestyle factors.
| Predictor | Duration (min) | Efficiency (%) | Latency (min) | Regularity (SRI) | ||||
|---|---|---|---|---|---|---|---|---|
| Estimate | p-Value | Estimate | p-Value | Estimate | p-Value | Estimate | p-Value | |
| Intercept | 318.18 | <0.001 | 72.47 | <0.001 | 18.86 | 0.003 | 81.63 | <0.001 |
| Condition (EC Glass) | 16.11 | 0.169 | 0.42 | 0.821 | −5.12 | 0.319 | 0.88 | 0.001 |
| Caffeine after 12 PM (yes) | −12.50 | 0.450 | −0.44 | 0.868 | −1.48 | 0.806 | 1.54 | <0.001 |
| Exercise after 5 PM (hours) | 42.71 | 0.113 | −0.36 | 0.933 | 13.25 | 0.239 | −6.09 | <0.001 |
| Alcoholic drinks (n) | −5.57 | 0.324 | 0.47 | 0.606 | −1.70 | 0.402 | −0.04 | 0.722 |
| Medication after 5 PM (yes) | −4.20 | 0.823 | −1.12 | 0.717 | 1.65 | 0.792 | −4.23 | <0.001 |
| Screen duration after 5 PM (hours) | −0.40 | 0.934 | 0.52 | 0.499 | 0.51 | 0.745 | −0.59 | <0.001 |