Table 1 Descriptive statistics and correlation matrix for key variables
| Â | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
1.Gender | 1 | Â | Â | Â | Â | Â |
2.Age | – 0.06 | 1 |  |  |  |  |
3.Gratitude (T1) | 0.18** | 0.01 | 1 | Â | Â | Â |
4.Self-control (T2) | 0.01 | – 0.05* | 0.18** | 1 |  |  |
5.Loneliness (T2) | 0.05 | 0.06 | – 0.28** | – 0.44** | 1 |  |
6.OGA (T3) | – 0.19** | – 0.10 | – 0.16** | – 0.27** | 0.26** | 1 |
M (SD) | — | 18.25 (0.75) | 5.20 (0.89) | 3.10 (0.56) | 2.01 (0.54) | 2.25 (0.80) |
Skewness | — | — | – 0.24 | 0.58 | – 0.24 | 0.16 |
Kurtosis | — | — | – 0.34 | 1.73 | – 0.09 | – 0.73 |