Table 1 Individual and work-related characteristics of the study population
Factors | N (%) |
|---|---|
Individual | |
 Gender | |
  Men | 27 (5.3) |
  Women | 486 (94.7) |
 Age | |
  23-29 years | 55 (10.7) |
  30-39 years | 91 (17.7) |
  40-49 years | 149 (29.1) |
  50-70 years | 218 (42.5) |
 Computer work experience | |
  1-5 years | 115 (22.4) |
  6-15 years | 287 (55.9) |
  16-36 years | 111 (21.7) |
 BMI | |
   < 18.5 kg/m2 | 19 (3.7) |
  18.6-24.9 kg/m2 | 255 (49.7) |
   > 25 kg/m2 | 239 (46.6) |
Work-related | |
 Duration of working with a computer | |
   < 4 h/day | 20 (3.9) |
  4-6 h/day | 88 (17.2) |
   > 6 h/day | 405 (78.9) |
 Taking a break every 2 h | |
  Yes | 69 (13.5) |
  No | 444 (86.5) |
 Quantitative demands | |
  Low | 208 (40.5) |
  Average | 143 (27.9) |
  High | 162 (31.6) |
 Cognitive demands | |
  Low | 141 (27.5) |
  Average | 191 (37.2) |
  High | 181 (35.3) |
 Responsibility demands | |
  Low | 142 (27.7) |
  Average | 170 (33.1) |
  High | 201 (39.2) |
 Degree of freedom at work | |
  Low | 242 (47.2) |
  Average | 157 (30.6) |
  High | 114 (22.2) |
 Social support | |
  Weak | 138 (26.9) |
  Average | 183 (35.7) |
  Strong | 192 (37.4) |