Skip to main content

Table 1 Characteristics of newly qualified health care workers with and without previous episodes of LBP at baseline

From: The predictive effect of fear-avoidance beliefs on low back pain among newly qualified health care workers with and without previous low back pain: a prospective cohort study

Time at measurement Variable   Cases without LBP (n = 1111) % Cases with previous LBP (n = 1566) %
Baseline Age      
   < 20 68 6.1 91 5.8
   20-29 331 29.8 497 31.7
   30-39 309 27.8 437 27.9
   40-49 292 26.3 384 24.5
   >50 111 10 157 10
Baseline Education      
   Health care helper 741 66.7 972 62.1
   Health care assistant 370 33.3 594 37.9
Baseline Foreign background      
   Born in Denmark 962 86.6 1413 90.2
Baseline Living status      
   Living with partner 131 12 141 9.1
   Living with spouse/partner     
    734 76 1058 75.2
Baseline Children living at home      
   No 504 45.7 754 48.6
   1 child 213 19.3 289 18.6
   2 children 257 23.3 351 22.6
   3 or more children 128 11.6 159 10.2
Baseline Musculoskeletal disorder previous 12 months      
   Low back - - 1349 88.2
   Upper back 230 20.8 584 37.8
   Neck 682 61.9 1052 67.5
   Shoulder 356 32.1 798 51.3
Follow-up Days with low back pain previous 12 months      
   No pain 586 53 331 21.3
   1-7 days 269 24.3 404 26
   8-30 days 162 14.6 444 28.5
   > 30 days 89 8 377 24.3
Follow-up Body mass index      
   < 18.5 19 3.2 27 2.8
   18.5-24.9 419 60 533 57.4
   25.0-29.9 188 27.3 270 27.7
   ≥ 30 85 9.6 153 12.2
Follow-up Smoking      
   Current smoker 429 38.9 682 43.9
   Ex-smoker 227 20.6 333 21.4
   Never smoked 446 40.5 538 34.6
Follow-up Leisure time physical activity      
   Sedentary 77 7.1 137 8.9
   Light 570 52.4 778 50.5
   Moderate 377 34.7 540 35.1
   High 64 5.9 85 5.5
  1. Note: Foreign background, living status and musculoskeletal disorder previous 12 months do not summarize to 100% as they were single items with the response categories yes/no