Governance constructs: t-test of mean difference between IR/non-IR groups
| Sub-theme or construct | IR (0)/ non-IR (1) | N | Mean % | SD | p-value | Hypothesis |
|---|---|---|---|---|---|---|
| H1. EMS in place and developed water strategy | 0 | 18 | 72.22 | 0.784 | 0.097* | Rejected |
| 1 | 31 | 51.61 | 0.875 | |||
| H2. Understands the context in which it operates | 0 | 18 | 86.11 | 0.461 | 0.001*** | Supported |
| 1 | 31 | 54.84 | 0.746 | |||
| H3. Includes water-related aspects in business model | 0 | 18 | 61.11 | 0.808 | 0.001*** | Supported |
| 1 | 31 | 19.35 | 0.615 | |||
| H4. Indicates board-level oversight for water governance | 0 | 18 | 61.11 | 0.808 | 0.009*** | Supported |
| 1 | 31 | 29.03 | 0.720 | |||
| H5. The company has water-related policies, targets, etc. | 0 | 18 | 77.78 | 0.616 | 0.010** | Supported |
| 1 | 31 | 50.00 | 0.816 |
| Sub-theme or construct | IR (0)/ non-IR (1) | Mean % | SD | Hypothesis | ||
|---|---|---|---|---|---|---|
| 0 | 18 | 72.22 | 0.784 | 0.097 | Rejected | |
| 1 | 31 | 51.61 | 0.875 | |||
| 0 | 18 | 86.11 | 0.461 | 0.001 | Supported | |
| 1 | 31 | 54.84 | 0.746 | |||
| 0 | 18 | 61.11 | 0.808 | 0.001 | Supported | |
| 1 | 31 | 19.35 | 0.615 | |||
| 0 | 18 | 61.11 | 0.808 | 0.009 | Supported | |
| 1 | 31 | 29.03 | 0.720 | |||
| 0 | 18 | 77.78 | 0.616 | 0.010 | Supported | |
| 1 | 31 | 50.00 | 0.816 |
Notes:
***p < 0.01;
**p < 0.05;
*p < 0.1 (two-tailed)
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