Skip to main content

Table 1 Baseline characteristics of the study population for both groups.

From: Effectiveness of a questionnaire based intervention programme on the prevalence of arm, shoulder and neck symptoms, risk factors and sick leave in computer workers: A cluster randomised controlled trial in an occupational setting

  Usual care
(N= 578)
Intervention
(N= 605)
Gender (male) 334 (57.8%) 378 (62.5%)
Age (years) (mean, SD) 43.8 (9.7) 44.4 (9.2)
Work more than 30 hours per week 445 (76.9%) 452 (74.6%)
Work more than 4 hours per day with the computer 406 (70.3%) 430 (70.0%)
Number of sick leave days in the 6-months period prior to baseline (median) 1.0 0.0
   - % workers with 0 days sick leave 49 50
   - % workers with 1 - 7 days sick leave 27 30
   - % workers with 7 - 21 days sick leave 15 14
   - % workers with > 21 days sick leave 9 6
  1. Values are numbers (percentages) unless stated otherwise. SD = standard deviation
\