Baseline values, correlation matrix
| Need for recovery | Sleep quality | Psychological distress (GHQ) | Job demands | Decision latitude | Working nights | |
|---|---|---|---|---|---|---|
| Need for recovery | 1 | −0.33 | 0.47 | 0.35 | −0.13 | 0.05 |
| Sleep quality | −0.33 | 1 | −0.43 | −0.11 | 0.17 | −0.07 |
| Psychological distress (GHQ) | 0.47 | −0.43 | 1 | 0.21 | −0.20 | 0.01 |
| Job demands | 0.35 | −0.11 | 0.21 | 1 | 0.05 | −0.00 |
| Decision latitude | −0.13 | 0.17 | −0.20 | 0.05 | 1 | −0.20 |
| Working nights | 0.05 | −0.07 | 0.01 | −0.00 | −0.20 | 1 |