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Correlation analysis of perceived organizational support, psychological capital, and insomnia
| Variables | Mean | SD | 1 | 2 | 3 |
|---|---|---|---|---|---|
| 1. Perceived organization support | 39.11 | 10.60 | 1 | ||
| 2. Psychological capital | 106.35 | 14.38 | 0.641*** | 1 | |
| 3. Insomnia | 11.88 | 5.55 | -0.348*** | -0.369*** | 1 |
Notes: *** P < 0.001
