Mediator measures response and reliability
| Measure | Response rates | Internal consistency— Cronbach’s alpha (standardised) | ||||
| Baseline | Interim follow-up | Baseline | Interim | |||
| Completed all items (n) | Completed half or more of items (n) | Completed all items (n) | Completed half or more of items (n) | |||
| Student view on school climate | ||||||
| Overall | 5733 85.99% | 6635 99.52% | 5549 88.22% | 6265 99.60% | 0.9137 | 0.9170 |
| Student sense of belonging subscale | 6293 94.39% | 6613 99.19% | 5965 94.83% | 6240 99.21% | 0.7952 | 0.8225 |
| Student commitment to academic values subscale | 6519 97.78% | 6581 98.71% | 6190 98.41% | 6231 99.06% | 0.7394 | 0.7732 |
| Student perception of supportive teacher relationships subscale | 6221 93.31% | 6631 99.46% | 5935 94.36% | 6247 99.32% | 0.8804 | 0.8938 |
| Student perception of participative school environment subscale | 6396 95.94% | 6600 99.00% | 6071 96.52% | 6231 99.06% | 0.8005 | 0.8313 |
| Student report of friends’ contact with police in the last year | 6494 97.41% | NA | 6167 98.04% | NA | NA | NA |
| Staff view on school organisational climate | ||||||
| Overall | 93 77.50% | 99 82.50% | 31 77.50% | 31 77.50% | 0.8357 | 0.6266 |
| Authority distributed among staff subscale | 98 81.67% | 99 82.50% | 31 77.50% | 31 77.50% | 0.6340 | 0.5952 |
| Staff relationships with students subscale | 98 81.67% | 99 82.50% | 31 77.50% | 31 77.50% | 0.7349 | 0.7633 |
| Integration of students’ academic education and broader social development subscale | 98 81.67% | 99 82.50% | 31 77.50% | 31 77.50% | 0.6984 | 0.4839 |
| School–community relationships subscale | 96 80.00% | 99 82.50% | 31 77.50% | 31 77.50% | 0.7363 | 0.7536 |