t-test – Comparison of females to males on boards and a comparison of females to males on each committee for each of the three financial years*
| For 46 companies | For 229 companies | ||||||
|---|---|---|---|---|---|---|---|
| Significance ratio for females by year 2018 to 2020 | Board | Sustain | Board | Risk | Audit | Nomin | Remun |
| FY18 ratio of females | 0.2783 | 0.2690 | 0.2354 | 0.2548 | 0.2863 | 0.2256 | 0.2582 |
| Sig. (two-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| FY19 ratio of females | 0.2931 | 0.2975 | 0.2575 | 0.2798 | 0.3073 | 0.2470 | 0.2841 |
| Sig. (two-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| FY20 ratio of females | 0.3400 | 0.4207 | 0.3055 | 0.3079 | 0.3453 | 0.2835 | 0.3249 |
| Sig. (two-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| For 46 companies | For 229 companies | ||||||
|---|---|---|---|---|---|---|---|
| Significance ratio for females by year 2018 to 2020 | Board | Sustain | Board | Risk | Audit | Nomin | Remun |
| FY18 ratio of females | 0.2783 | 0.2690 | 0.2354 | 0.2548 | 0.2863 | 0.2256 | 0.2582 |
| Sig. (two-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| FY19 ratio of females | 0.2931 | 0.2975 | 0.2575 | 0.2798 | 0.3073 | 0.2470 | 0.2841 |
| Sig. (two-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| FY20 ratio of females | 0.3400 | 0.4207 | 0.3055 | 0.3079 | 0.3453 | 0.2835 | 0.3249 |
| Sig. (two-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
*A separate t-test for each year was needed for 46 companies that had a sustainability committee and separate t-tests for each year were conducted between board gender diversity for 229 companies for other committees
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