Figure 1.

Figure 2.

Figure 3.

HTMT
| Variables | Green HRM | OCB | Organizational identification |
|---|---|---|---|
| Green HRM | |||
| OCB | 0.702 | ||
| Organizational identification | 0.548 | 0.638 |
Demographic profile of respondents (N=200)
| Variable | Category | Frequency (N) | Percentage (%) |
|---|---|---|---|
| Gender | Male | 124 | 62.0% |
| Female | 76 | 38.0% | |
| Age | 20–30 Years | 34 | 17.0% |
| 31–40 Years | 78 | 39.0% | |
| 41–50 Years | 56 | 28.0% | |
| Above 50 Years | 32 | 16.0% | |
| Education | Bachelor | 44 | 22.0% |
| Master | 72 | 36.0% | |
| PhD | 84 | 42.0% | |
| Job Position | Academic Staff | 136 | 68.0% |
| Administrative Staff | 64 | 32.0% | |
| Experience | Less than 5 Years | 48 | 24.0% |
| 5–10 Years | 82 | 41.0% | |
| More than 10 Years | 70 | 35.0% | |
| University | University of Anbar | 100 | 50.0% |
| University of Babylon | 100 | 50.0% |
Fornell-Larcker criterion
| Variables | Green HRM | OCB | Organizational identification |
|---|---|---|---|
| Green HRM | 0.846 | ||
| OCB | 0.638 | 0.813 | |
| Organizational identification | 0.479 | 0.543 | 0.737 |
Structural model results (direct effects)
| Path | Sample mean | Standard deviation | T statistics | P values | Result |
|---|---|---|---|---|---|
| Green HRM -> OCB | 0.489 | 0.062 | 7.965 | 0.000 | Supported |
| Green HRM -> Organizational identification | 0.483 | 0.059 | 8.168 | 0.000 | Supported |
| Organizational identification - > OCB | 0.312 | 0.062 | 4.924 | 0.000 | Supported |
Mediation analysis
| Path | Sample mean | Standard deviation | T statistics | P values | Result |
|---|---|---|---|---|---|
| Green HRM -> Organizational identification -> OCB | 0.151 | 0.038 | 3.896 | 0.000 | Supported |
Construct reliability and validity
| Construct | Items | Factor loading | Cronbach’s Alpha | CR | AVE | VIF |
|---|---|---|---|---|---|---|
| Green HRM | GHRM1 | 0.777 | 0.900 | 0.901 | 0.715 | 1.732 |
| GHRM2 | 0.853 | 2.918 | ||||
| GHRM3 | 0.875 | 3.098 | ||||
| GHRM5 | 0.879 | 3.225 | ||||
| GHRM6 | 0.841 | 2.923 | ||||
| Green OCB | OCB1 | 0.792 | 0.872 | 0.884 | 0.661 | 1.894 |
| OCB2 | 0.864 | 2.675 | ||||
| OCB3 | 0.771 | 2.181 | ||||
| OCB4 | 0.766 | 2.300 | ||||
| OCB6 | 0.866 | 2.586 | ||||
| Organizational identification | OI1 | 0.718 | 0.832 | 0.834 | 0.544 | 1.968 |
| OI2 | 0.764 | 2.808 | ||||
| OI3 | 0.726 | 1.946 | ||||
| OI4 | 0.764 | 2.336 | ||||
| OI5 | 0.706 | 2.034 | ||||
| OI6 | 0.744 | 2.270 | ||||