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Table 3 Content of 3-year follow-up questionnaire

From: The North Staffordshire Osteoarthritis Project – NorStOP: Prospective, 3-year study of the epidemiology and management of clinical osteoarthritis in a general population of older adults

Concept Measurement method Details
GENERAL SECTION
Perceived general health MOS SF-12 [8] physical and mental component summary scores
Participation Keele Assessment of Participation (KAP) [9] 11 item measure of person-perceived, performance-based participation
Demographic characteristics - date of birth, gender  
  - marital status single, married, divorced, separated, widowed
Occupational characteristics Current employment status employed, not working due to ill health, seeking employment, retired, housewife, other
Bodily pain - self-completed manikin In the past 4 weeks have you had pain that has lasted for one day or longer in any part of your body?
  - specific sites questions "Have you had any problems in your hands or pain in your hands/knees/ hips/feet in the last year?
HAND PAIN/PROBLEMS SECTION
Characteristic of complaint - hand dominance right, left, both
  - side of pain right, left, both
  - duration of pain in past 12 months <7 days, 1–4 weeks, 1–3 months, 3+ months
Pain - AIMS 2 [19] pain sub-scale
  - hand drawings painful areas
Physical features - hand drawing self-reported nodes
Function - AIMS 2 [19] hand and finger function sub-scale
  - AUSCAN [21] pain, stiffness, physical function sub-scales
Illness perceptions Illness Perceptions Questionnaire Revised (IPQ(R)) [13] 9 dimensions: illness coherence, treatment control, personal control, timeline (acute/chronic), timeline (cyclical), consequences, emotional representation, identify, causes
Health care NHS & private services [22] past 3 years
HIP PAIN SECTION
Characteristic of complaint - side of pain right, left, both
  - duration of pain in past 12 months <7 days, 1–4 weeks, 1–3 months, 3+ months
Health care seeking consulted with GP ever
Complaint specific functioning Western Ontario and McMaster Universities OA index (WOMAC) [23] pain, stiffness, physical function
KNEE PAIN SECTION
Characteristic of complaint - side of pain right, left, both
  - duration of pain in past 12 months <7 days, 1–4 weeks, 1–3 months, 3+ months
Health care seeking Consulted with GP ever
Complaint specific functioning Western Ontario and McMaster Universities OA index (WOMAC) [23] pain, stiffness, physical function
FOOT PAIN SECTION
Characteristic of complaint - side of pain right, left, both
  - duration of pain in past 12 months <7 days, 1–4 weeks, 1–3 months, 3+ months
Health care seeking Consulted with GP ever
Complaint specific functioning Foot Disability Index (FDI) [24] pain, appearance, physical function