Research Article

Associations between Wage System and Risk Factors for Musculoskeletal Disorders among Construction Workers

Table 1

Background information.

Total dataHourly/monthly paidIndividual performance
based wages
Group performance
based wages

Number of participants45627372111
Profession ()
 Bricklayer’s labourers231157
 Bricklayer81381122
 Concrete workers136851734
 Scaffolders57241419
 Carpenters143952325
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 (%)38393141
Sleep deprived (%)8 8910
Leisure time fitness activity
 Medium intensity physical activity
  More than 2 hours/week (%)48493753
  Less than 2 hours/week (%)52516347
 High intensity physical activity (HIPA)
  Performs HIPA (%)40393247
  Never performs HIPA (%)60616853
Vegetable eating habits
 Daily (%)36383233
 Less than daily (%)64626867
Units of alcohol per day (Monday to Friday)
 Maximum 2 units/day (%)83868076
 More than 2 units/day (%)17142024

Note: SD, standard deviation.
Defined as the percentage registering rarely getting sufficient sleep.
Bricklayer’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.