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Table 1 Demographic and work-related characteristics of the study subjects*

From: Impact on the Quality of Life of an Educational Program for the Prevention of Work-Related Musculoskeletal Disorders: a randomized controlled trial

  Intervention Group (n = 43) Control Group (n = 46)
Age - mean (SD) 30.6 (10.2) 31.2 (8.8)
Male 26 (60.5) 34 (73.9)
Caucasians 36 (83.7) 42 (91.3)
Married 20 (46.5) 26 (56.5)
Educational status †:   
complete ES 2 (5.4) 6 (14.3)
complete HS 32 (86.5) 32 (76.2)
complete university 3 (8.1) 4 (9.5)
Sector:   
administrative 20 (46.5) 18 (39.1)
productive 23 (53.5) 28 (60.9)
Medical condition 7 (16.3) 12 (26.1)
Current use of medications 7 (16.3) 7 (15.2)
Body Mass Index - mean (SD) 25.0 (3.0) 26.0 (2.9)
Physical activity 26 (63.4) 28 (60.9)
Years of work - median (percentiles 25, 75) 7.0 (3.0, 14.0) 10.5 (3.88, 19.0)
Number of presences in the educational meetings - median (percentiles 25, 75) 6.0 (5.0, 6.0) 6.0 (5.0, 6.0)
Baseline Physical functioning score - median (percentiles 25, 75) 95.0 (85.0, 100.0) 90.0 (85.0, 95.0)
Baseline Work limitation questionnaire index (percent) - median (percentiles 25, 75) 2.76 (1.67, 3.63) 2.88 (1.10, 5.03)
  1. † Number of patients was 37 for the intervention group and 42 for the control group owing to missing data. Abbreviations: ES = elementary school; HS= high school.
  2. * Values are numbers (percentages), except where indicated otherwise.
  3. ** Student's t test, Yates corrected chi-square, Fisher's exact test or Mann-Whitney test was utilized according to the nature and distribution of data.