| Independent variable(s): | Slope | Error | t-ratio | probability |
| How much bright light exposure on daily basis? | −0.267 | 0.134 | −1.989 | 0.0611 |
| How much dim light exposure in evening hours? | −0.167 | 0.134 | −1.245 | 0.227 |
| How much bright light exposure in evening hours? | 0.238 | 0.090 | 2.640 | 0.016 |
| Dependent variable(s): |
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| Satisfaction with Sleep Quality |
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| Constant = 1.657 |
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| R2 = 0.361 |
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| F-ratio = 3.77, p = 0.027 |
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| N = 24 |
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