The Extent of Compliance with Gri by Nigerian Oil and Gas Companies
Table 4:
| Firm Characteristics | N=40 | Mean | t-stat | P-value |
| Size: | ||||
| Big | 20 | 0.846 | -3.793** | 0.0005 |
| Small | 20 | 1.146 | ||
| Profitability: | ||||
| Higher | 20 | 1.025 | 0.631 | 0.532 |
| Lower | 20 | 0.967 | ||
| Auditor Type: | ||||
| Big 4 | 29 | 0.902 | 1.278* | 0.209 |
| Non-Big 4 | 11 | 1.032 |
