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| Schlafqualitätsindex PSQI | Häufigkeit (in %) Durchschnitt | 1.Umfrage | 2. Umfrage | 3. Umfrage | 4. Umfrage |
|---|
| 2 | 6.2201 | 6.0000 | 5.2632 | 8.8235 | 5.5556 |
| 3 | 15.3110 | 15.0000 | 19.2982 | 11.7647 | 11.1111 |
| 4 | 26.3158 | 22.0000 | 26.3158 | 26.4706 | 50.0000 |
| 5 | 18.6603 | 21.0000 | 19.2982 | 17.6471 | 5.5556 |
| 6 | 16.2679 | 14.0000 | 15.7895 | 23.5294 | 16.6667 |
| 7 | 8.1340 | 11.0000 | 5.2632 | 5.8824 | 5.5556 |
| 8 | 3.3493 | 4.0000 | 3.5088 | 2.9412 | # |
| 9 | 3.3493 | 5.0000 | 3.5088 | # | # |
| 10 | 1.4354 | 1.0000 | 1.7544 | 2.9412 | # |
| 12 | 0.4785 | 1.0000 | # | # | # |
| 14 | 0.4785 | # | # | # | 5.5556 |