Concept | Measurement method | Detail |
---|---|---|
Section A: General health | ||
Perceived general health | MOS SF12 [33] | Physical and mental component summary scores |
Physical function | MOS SF36 [32] | Physical functioning sub-scale |
Anxiety and depression | Hospital anxiety and depression scale [34] | Anxiety and depression sub-scales |
Participation | 5-items assessing person-perceived, performance-based participation | |
Support | Emotional support: single question | Yes, no, no need |
 | Physical support: single question | Yes, no, no need |
Life-style | Smoking status | Current, previous, never |
Anthropometric characteristics | Self-reported height | Â |
 | Self-reported weight |  |
Footwear | Toe-box breadth line drawings (Additional File 1: Appendix 1) | Type most frequently worn by decade |
 | Heel height line drawings (females only) (Additional File 1: Appendix 1) | Type most frequently worn by decade |
Physical activity | Short-Form International Physical Activity Questionnaire (IPAQ) [36] | Frequency and duration of 4 activities performed during previous 7 days |
Section B: Specific health problems | ||
Hallux valgus | Self-completed line drawings [37] | 5 line-drawings for each foot depicting increasing severity of hallux valgus |
Co-morbidities | Falls, fractures, chest problems, heart problems, deafness, problem with eyesight, raised blood pressure, diabetes, stroke, cancer, liver disease, kidney disease, poor circulation, rheumatoid arthritis | Yes, for any that apply |
Intermittent claudication | Edinburgh Claudication Questionnaire [38] | Pain or discomfort in legs when walking, pain characteristics, pain location (leg manikin) |
Bodily pain | Self-completed body manikin | In the past 4 weeks, have you had pain that has lasted for one day or longer in any part of your body? If yes, shade pain location on manikin |
 | Site-specific questions | Have you had any problems with your hands or pain in your hands/hips/knees/feet in the last year? |
Section C: Foot pain | ||
Foot pain characteristics | Side of pain | Both, right, left |
 | Duration in past 12 months | < 7 days, 1-4 weeks, 1-3 months, 3+ months |
 | Foot injury: Have you ever injured your foot badly enough to see a doctor about it? | No, right foot only, left foot only, both feet |
 | Foot pain, aching, stiffness in last month [39] | No days, few days, some days, most days, all days |
 | Location: self-completed foot manikin [14] | In the past month, have you had any ache or pain that has lasted for one day or longer in your feet? If yes, shade pain location on foot manikin |
 | Foot pain intensity in last month [40] | 0-10 NRS with verbal anchors (no pain, pain as bad as can be) |
Complaint-specific functioning | Manchester Foot Pain and Disability Index [41] | 19-items across four constructs: pain, function, appearance, work/leisure |
Coping strategies for foot pain | Foot-related fatigue: single item Single-item coping strategies questionnaire [42] | None of the time, on some days, on most/every day(s) 0-6 NRS with verbal anchors (never do that, always do that) |
Healthcare use | Medication use in last month | For foot pain, for other pain |
 | Consultation in last 12 months for foot pain | General practitioner, physiotherapist, podiatrist, chiropodist (NHS and private) |
Section D: Demographic/socioeconomic characteristics | ||
Demographic characteristics | Date of birth Gender | Â |
 | Marital status | Married, separated, divorced, widowed, cohabiting, single |
 | Living arrangements | Alone, not alone |
Socioeconomic characteristics | Current employment status | Employed, not working due to ill-health, retired, unemployed/seeking work, housewife, other |
 | Current/recent job title | Free text |
 | Current/recent job title of spouse | Free text |
 | Adequacy of income [43] | Find it a strain to get by from week to week, have to be careful with money, able to manage without much difficulty, quite comfortably off |
 | Higher education | Yes/no (If yes, age finished full-time education) |
 | Ethnicity | White UK/European, Afro Caribbean, Chinese, Asian, African, Other |
Section E: Work | ||
 | Work status | Working full-time, part time, or off work due to ill-health |
 | Work performance | 0-10 NRS with verbal anchors (worst performance, best performance) |
 | Work limitation due to a health problem or physical limitation | Not affected, changed the way I do the job, reduced the number of hours, currently off work |
 | Job lock | Would like to leave work but can't due to financial needs |