Table 1.
Background information.
| Total data | Hourly/monthly paid | Individual performance based wages |
Group performance based wages |
|
|---|---|---|---|---|
| Number of participants | 456 | 273 | 72 | 111 |
| Profession (N) | ||||
| Bricklayer's labourersβ | 23 | 11 | 5 | 7 |
| Bricklayer | 81 | 38 | 11 | 22 |
| Concrete workers | 136 | 85 | 17 | 34 |
| Scaffolders | 57 | 24 | 14 | 19 |
| Carpenters | 143 | 95 | 23 | 25 |
| Age (mean years (SD)) | 40 (12.6) | 39 (12.9) | 45 (10.8) | 40 (12.2) |
| Height (mean cm (SD)) | 181 (6.8) | 181 (6.9) | 180 (6.6) | 181 (6.97) |
| Weight (mean kg (SD)) | 85 (13.0) | 86 (13.7) | 87 (11.8) | 85 (12.1) |
| BMI (mean kg/m2 (SD)) | 26.2 (3.7) | 26.2 (3.9) | 26.7 (3.6) | 25.9 (3.4) |
| Smokers (%) | 38 | 39 | 31 | 41 |
| Sleep deprived∗ (%) | 8 | 8 | 9 | 10 |
| Leisure time fitness activity | ||||
| Medium intensity physical activity | ||||
| More than 2 hours/week (%) | 48 | 49 | 37 | 53 |
| Less than 2 hours/week (%) | 52 | 51 | 63 | 47 |
| High intensity physical activity (HIPA) | ||||
| Performs HIPA (%) | 40 | 39 | 32 | 47 |
| Never performs HIPA (%) | 60 | 61 | 68 | 53 |
| Vegetable eating habits | ||||
| Daily (%) | 36 | 38 | 32 | 33 |
| Less than daily (%) | 64 | 62 | 68 | 67 |
| Units of alcohol per day (Monday to Friday) | ||||
| Maximum 2 units/day (%) | 83 | 86 | 80 | 76 |
| More than 2 units/day (%) | 17 | 14 | 20 | 24 |
Note: SD, standard deviation.
∗Defined as the percentage registering rarely getting sufficient sleep.
βBricklayer's labourers in Danish construction work are workers who make sure bricklayers have all the materials they need and that the work site is ready to work and is clean and tidy and also plan work ahead. This is a very traditional organization of bricklaying.