Table 2.
Mediated modeling testing of self-efficacy
| Regression equations | Overall fit index | |||||
|---|---|---|---|---|---|---|
| Outcome variables | Predictive Variables | β | t | R | R 2 | F |
| Perceived stress | Gender | 0.17 | 4.46*** | 0.42 | 0.18 | 43.64*** |
| Age | 0.28 | 7.46*** | ||||
| Supervisor-postgraduate relationship | –0.27 | –7.35*** | ||||
| Self-efficacy | Gender | –0.04 | –1.17 | 0.47 | 0.22 | 56.33*** |
| Age | –0.10 | –2.83** | ||||
| Supervisor-postgraduate relationship | 0.45 | 12.38*** | ||||
| Perceived stress | Gender | 0.15 | 4.29*** | 0.49 | 0.24 | 47.60*** |
| Age | 0.25 | 6.90*** | ||||
| Supervisor-postgraduate relationship | –0.15 | –3.67*** | ||||
| Self-efficacy | –0.28** | –7.00*** | ||||