|
Gender
|
Male; Female
|
Categorical
|
|
Age
|
Date of birth
|
Continuous: years old at start treatment episode
|
|
Health insurance
|
Public health insurance (Puhi), private health insurance (Prhi)
|
Categorical: Puhi; Prhi; Unknown
|
|
Education
|
Highest level of education: Primary school, secondary education, higher education, university
|
Categorical: Low (primary); Middle (secondary, higher); High (university); Unknown
|
|
Urbanization rate
|
1 very high, 2 high, 3 moderate, 4 low, 5 very low
|
Categorical: High (3+2+1); Low (5+4); Missing values (1.3%) recoded as high urbanization rate
|
|
Complaints
| | |
|
Specialization of referring physician
|
GP or Medical specialist
|
Categorical: GP; Medical specialist
|
|
Reason for referral
|
As given by letter by the referrer; coded with ICPC (26) by researchers
|
Selection of patients with ICPC-code L03.00
|
|
Duration of complaint at start episode
|
< 2 days; 2–7 days; 1 week – 1 month; 1–3 months; 3–6 months; 6 months – 1 year; 1–2 years; > 2 years; unknown
|
Categorical: < 1 month; > 1 month; Missing values (1.0%) recoded as < 1 month
|
|
Recurrent complaint (appearing after a complaint-free episode of at least four weeks and at most two years)
|
Yes; No; Unknown
|
Categorical: Yes; No; Missing values (3.7%) recoded as no
|
|
Previous physical therapy for the same or other complaints in the last two years
|
Yes; No; Unknown
|
Categorical: Yes; No; Missing values (6.1%) recoded as no
|
|
Treatment
| | |
|
Treatment goals
|
Based on the International Classification of Functioning, Disability and Health (27); One main goal (out of 24) at the level of physical functions; One main goal at the level of activities (out of 11)
|
5 dichotomous variables; Missing values (0.6%) recoded as changing body position
|
|
Interventions
|
Based on Dutch classification; three interventions at most (out of 25) applied in at least 50% of the sessions
|
5 dichotomous variables; Missing values (16.1%) integrated in reference category
|
|
Therapists
| | |
|
Gender
|
Male; Female
|
Categorical: Male; Female; Missing values (2.1%) recoded as male
|
|
Age
|
Date of birth
|
Categorical: <45 years at January 1st, 2003; > 45 years at January 1st, 2003; Missing values (5.1%) recodes as > 45 years
|
|
Hours working per week
|
Patient-related number of hours
|
Categorical: <20 hours; 20–40 hours; >40 hours; Missing values (4.1%) recoded as 20–40 hours
|
|
Registration in quality register for manual therapy
|
Yes; No
|
Categorical: Yes; No
|
|
Additional training in LBP
|
Yes; No
|
Categorical: Yes; No; Missing values (4.1%) recoded as yes
|
|
Additional training in LBP guideline
|
Yes; No
|
Categorical: Yes; No; Missing values (4.1%) recoded as no
|
|
Feasibility of LBP guideline
|
1 item on questionnaire 10-point scale (1 = very bad; 10 = excellent; 7 = satisfactory)
|
Categorical: <7 points; >7 points; Unknown
|
|
Time since graduation
|
Date of graduation
|
Categorical: < 20 years since graduation; > 20 years since graduation; Missing values (6.2% recodes as > 20 years.
|
|
Practices
| | |
|
Group size
|
Number of therapists
|
Categorical: Single handed; Group practice
|
