Page 94 - THE PERCEPT STUDY Illness Perceptions in Physiotherapy Edwin de Raaij
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Chapter 5
 were also interested in the difference between the added predictive values of the 4DSQ and the Dutch language version of the Brief IPQ (Brief IPQ-DLV) for poor recovery.
The following are our three research goals; First, to what extent do baseline illness percep- tions in MSP patients have added predictive value for poor recovery in PI, PF and patient GPE after 3 months? Second, what is the correlation between the 4DSQ and the Brief IPQ-DLV? Third, what is the difference in added predictive value for poor recovery between the 4DSQ and the Brief IPQ-DLV?
Methods
Design and Setting
Twenty-eight primary care physiotherapy centres participated in this five-month-long exploratory study, approved by the Medical Ethical Committee of the University of Applied Sciences Utrecht (HU) (Ref. no. 430012019). Physiotherapists at these centres collected the data as part of their HU Master of Physiotherapy study. All participating patients were treated according to the Good Clinical Practice guidelines 36.
A consecutive sample of patients attending outpatient physiotherapy was invited at first contact by participating physiotherapists to take part. As part of an assignment in their master’s program, these physiotherapists included in the study 10-30 consecutive patients over a period of 2 months (after screening for in- and exclusion criteria: Box 1. After baseline (T0) assessment, a follow-up assessment after three months (T1) was performed, using a questionnaire assessing the dependent and independent variables (see Measurements).
Patients who met the inclusion criteria and gave written informed consent were recruited. We defined MSP as: Pain felt within the context of the musculoskeletal conditions listed in Box 1, according to the European Musculoskeletal Conditions Surveillance and Information Network.
   Box 1: Inclusion criteria
   • Musculoskeletal pain
Joint conditions (i.e. rheumatoid arthritis (RA), osteoarthritis (OA)), bone conditions (i.e. osteoporosis), spinal disorders (i.e. low back pain), regional and widespread pain disorders, musculoskeletal injuries, multisystem inflammatory diseases
• Age 18 – 75 years
• No physiotherapy treatment in the previous 6 months from baseline
• Signed informed consent
• No serious musculoskeletal diseases
Fractures, malignancy, neurological signs
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