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Table 1 Description of the 731 chiropractic patients who took part in a practice-based outcome study on low back pain

From: The Nordic Subpopulation Research Programme: prediction of treatment outcome in patients with low back pain treated by chiropractors - does the psychological profile matter?

Variables Number of respondents Number Percentage
Gender 727   
   men   374 51
   women   353 49
Age 621   
11-20 yrs   11 2
21-30 yrs   83 13
31-40 yrs   156 25
41-50 yrs   133 21
51-60 yrs   113 18
61-70 yrs   90 14
71-80 yrs   30 5
81-90 yrs   5 1
Fee subsidization 713   
   total   58 8
   partial   164 23
   none   491 69
Main work 704   
physically hard   69 10
mixed hard/less hard   213 30
walking/standing   166 24
mainly sitting   256 36
Smoking 706   
never smoked   403 57
ex-smoker   198 28
sometime smoker   26 4
smoke up to 20/day   72 10
smoke > 20/day   7 1
Smokeless tobacco 711   
yes   106 15
no   605 85
  1. Demographic data.