Table 2.
Mediating effect of psychological capital on the relationship between responsible leadership on teacher green behavior.
| Variable | Model 1 | Model 2 | Model 3 | VIF | |||
|---|---|---|---|---|---|---|---|
| GB | PC | GB | |||||
| β | t | β | t | β | t | ||
| Male | 0.016 | 0.303 | 0.225 | 4.030*** | −0.045 | −0.849 | 1.147 |
| 20–29 | −0.118 | −1.051 | −0.217 | −1.863 | −0.059 | −0.541 | 4.757 |
| 30–39 | 0.015 | 0.130 | 0.102 | 0.828 | −0.012 | −0.109 | 5.280 |
| 40–49 | 0.285 | 2.851** | 0.016 | 0.154 | 0.281 | 2.922** | 3.750 |
| RL | 0.281 | 5.239*** | 0.217 | 3.906*** | 0.221 | 4.196*** | 1.129 |
| PC | 0.273 | 5.077*** | 1.173 | ||||
| R 2 | 0.207 | 0.147 | 0.270 | ||||
| Adj R2 | 0.194 | 0.133 | 0.256 | ||||
| F | 15.498*** | 10.261*** | 18.288*** | ||||
***p < 0.001, **p < 0.01, *p < 0.05. β is the standardized regression coefficient. RL, Responsible Leadership; GB, Green Behavior; PC, Psychological Capital. Gender and age are dummy variables. Males are the experimental group within the gender group, while the females are the reference group. 20–29, 30–39, and 40–49 are the experimental group in the age group, while ≥ 50 are the reference group.