| REGION | SMTEs | Number of Workers | Sample (SMTEs) | Sample (Workers) |
| Ashanti | 25 | 213 | 20 | 73 |
| Greater Accra | 38 | 316 | 31 | 109 |
| Western | 16 | 180 | 13 | 62 |
| Northern | 20 | 161 | 16 | 56 |
| Total | 99 | 870 | 80 | 300 |