Skip to main content

Table 2 Frequency of outcomes, neck and low back symptoms and potential confounders in the study cohort (N = 1,347).

From: Primary care consultation, hospital admission, sick leave and disability pension owing to neck and low back pain: a 12-year prospective cohort study in a rural population

  n % mean sd
Neck and low back outcomes     
Primary care consultation 211 15.7   
Hospital admission 25 1.9   
Sick leave 73 5.4   
Disability pension 39 2.9   
Neck and low back symptoms     
No neck pain1 602 45.2   
Previous neck pain2 152 11.4   
Current neck pain3 579 43.2   
No low back pain1 473 35.4   
Previous low back pain2 278 20.8   
Current low back pain3 584 43.7   
No neck or low back pain1 269 20.2   
Previous neck and/or low back pain2 224 16.9   
Current neck and/or low back pain3 836 62.9   
Potential confounders     
Age, years 1,347   50.1 5.9
Farmer 794 58.9   
Workload, units 1,327   198.7 84.8
Educational index 1,318   2.2 1.3
   Compulsory school 516 39.2   
   Vocational school 430 32.6   
   Secondary school 151 11.5   
   College 96 7.3   
   University 125 9.5   
Demands, units 1,227   12.8 2.7
Control, units 1,312   7.1 1.2
Body mass index, kg/m2 1,347   26.3 3.1
Smokers 285 21.2   
Snuff users 192 14.3   
Alcohol consumption, grams/week 1,343   24.3 28.6
Psychiatric symptoms (HSCL-25) 1,346   1.28 0.28
Specific back diagnosis during follow up 64 4.8   
  1. 1 No neck or low back problems before the study period.
  2. 2 Neck or low back problems previously but not during the last year prior to survey 1.
  3. 3 Neck or low back problems during the year before survey 1, irrespective of previously or not.