An Open Access Journal
Table 1 Number of workplaces of engine drivers, number of returned survey forms and number of reported problem sites by area
Area of country | Number of workplaces of engine drivers | Number of returned survey forms | Number of reported problem sites |
|---|---|---|---|
Southern | 4 | 25 | 123 |
Western | 5 | 21 | 127 |
Central | 3 | 10 | 26 |
Eastern | 4 | 30 | 76 |
Northern | 5 | 10 | 52 |
Total | 21 | 96 | 404 |