|
Demographic background and life-style variables
| | |
|
Age
|
*Max. 40 yrs vs. older
|
0.1
|
|
Sex
|
*Men vs. women
|
0.1
|
|
Type of work
|
*Sitting vs. walking/standing vs. mixed hard/light work vs. hard physically hard work
|
0.6
|
|
Smoking
|
*No never vs. stopped/sometimes vs. daily
|
0.7
|
|
Smokeless tobacco
|
*No vs. yes
|
0.3
|
|
Treatment reimbursed
|
*Not or some reimbursement vs. total reimbursement
|
0.000
|
|
Description of low back pain
| | |
|
Leg pain
|
*No vs. yes
|
0.02
|
|
Pain intensity past 24 hrs
|
*None/weak vs. moderate vs. severe/unbearable
|
1.0
|
|
Duration of pain at base-line
|
*1-7 days vs. 8-14 days vs. >14 days
|
0.000
|
|
Total duration of pain past year
|
*Max. 30 days vs. >30 days
|
0.000
|
|
Pain in other parts of spine past year
|
*No vs. yes max. 30 days vs. yes >30 days
|
0.09
|
|
General health
|
*Very good/good vs. OK vs. rather bad/very bad
|
0.02
|
|
Psychological profile
| | |
|
Anxiety
|
**No vs. borderline vs. yes
|
0.0007
|
|
Depression
|
**No vs. borderline vs. yes
|
0.0001
|
|
Cognitive anxiety
|
***Continuous data
|
0.02
|
|
Escape avoidance
|
***Continuous data
|
1.0
|
|
Fearful thoughts
|
***Continuous data
|
0.008
|
|
Physiological symptoms and Signs of pain
|
***Continuous data
|
0.005
|
