Table 2 Correlations among the study variables (N = 291)
Variables | Possible range | Mean | SD | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|---|---|
1. Dietary habits | 9–63 | 49.41 | 6.06 | 1.00 |  |  |  |  |  |
2. Sleep quality | 0–45 | 10.64 | 5.78 | − 0.34** | 1.00 |  |  |  |  |
3. Social support | 24–120 | 91.55 | 13.30 | 0.34** | − 0.31** | 1.00 |  |  |  |
4. Depression | 20–80 | 34.69 | 9.00 | − 0.34** | 0.53** | − 0.51** | 1.00 |  |  |
5. Menstrual health | 29–116 | 78.56 | 15.11 | 0.21** | − 0.50** | 0.22** | − 0.52** | 1.00 |  |
6. HRQOL | 0–100 | 80.17 | 13.38 | 0.34** | − 0.50** | 0.48** | − 0.61** | 0.53** | 1.00 |