| Group Participants | Number | Criteria |
| Contractors (D1K1; A1B1) | 7 | The professionals working with the D1K1 (General Building and Civil Engineering category in Financial Class 1) or A1B1 (Road and Concrete Structures Construction category in Financial Class 1) class of contractors in Ghana. The interviewees belong to the professional bodies and construction associations of their status. They have experience between 12 and 22 years in the construction industry. |
| The contractor must have a well-established health and safety management system where there are good accidents and hazards records procedures, safety kits, health and safety policy and plan for projects. | ||
| The contractor must have engaged in construction projects in two or more regions in Ghana. | ||
| Consultants | 7 | The consultants must have had adequate knowledge and been trained in the area of health and safety management. The Consultants belong to the various professional bodies which are well recognized in the GCI. The interviewees were personnel of senior level and authority in their various Consulting firms. The interviewees have experience of 10 to 22 years in their various field of expertise. |
| Suppliers/ Manufacturers | 7 | The supplier/manufacturer must be a dealer of the major construction materials such as cement, reinforcement rods, roofing sheet and tiles. |
| The supplier/manufacturer must have depots across the major cities in the country. All the supplier/manufacturer interviewees must have more than two depots across the country. This indicates that the respondents have enough experience in the manufacturing and supply of construction materials in Ghana. | ||
| Construction Workers | 7 | The worker must have worked with a D1K1 or A1B1 classes of contractors in Ghana for a minimum of five (5) years. The selected construction workers must representatives of the most active trades within the GCI. The years of experience must range between 11 and 20 years in the GCI. |
| Total | 28 |
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