Page 149 - THE PERCEPT STUDY Illness Perceptions in Physiotherapy Edwin de Raaij

Appendix C
Online questionnaire to assess primary outcomes, Illness Perceptions and co-variates.
All items scored on 11-point scale (0-10) and anchored by words appropriately related to each question. Outcome score were reversed to lower score meaning less dysfunction.
Primary outcome
• What was the average back pain over the past 24 hours?
• In the past week, how difficult was it to perform your self-proclaimed activity?
• How much has the back pain limited you in your daily activities?
Illness Perceptions secondary outcome
• How much does your illness affect your life?
• How long do you think your illness will continue?
• How much control do you feel you have over your illness?
• How much do you think your treatment can help your illness?
• How much do you experience symptoms from your illness?
• How concerned are you about your illness?
• How well do you feel you understand your illness?
• How much does your illness affect you emotionally? (e.g. does it make you angry, scared,
upset or depressed?)
Co-variates
• My pain complaints will decrease if I were to exercise.
• When I am in pain, I wonder whether something serious may happen.
• I avoid important activities when I hurt.
• How much have you been bothered by feeling depressed in the last 24-hours?
• I can sleep at night.
A multiple baseline single-case experimental design
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