Definitions for each item of the QFDF
| QFDF item | Definition |
|---|---|
| Ward | |
| Surgical ward | Participant is in a ward for the purpose of a surgical procedure23 |
| Medical ward | Participant is in a ward not for the purpose of a surgical procedure23 |
| Demographics | |
| Age | Participant's age in whole years at time of data collection19 21 23 24 |
| Sex | Participant is male, female or other19 21 23 24 |
| Social determinants | |
| Socioeconomic status | Participant's postcode of usual residence was used to determine Australian Index of Relative Social Disadvantage status21 25 |
| Geographical remoteness | Participant's postcode of usual residence was used to determine Accessibility/Remoteness Index of Australia status21 26 |
| Highest education level achieved | What is the highest education qualification level you have achieved?21 24 27 |
| Born overseas | In which country were you born?24 27 |
| Indigenous status | Are you of Aboriginal or Torres Strait Islander origin?19 23 24 |
| Medical condition history | |
| Diabetes | Have you ever been told by a doctor or nurse that you have had diabetes? (Should have lasted or likely to last for 6+ months)19 21 24 27 28 |
| Diabetes type | If yes to diabetes, which type of diabetes do you have: type 1 or type 2?19 21 24 28 |
| Hypertension | Have you ever been told by a doctor or nurse that you have had hypertension or high blood pressure? (Should have lasted or likely to last for 6+ months)19 24 27 |
| Dyslipidaemia | Have you ever been told by a doctor or nurse that you have had dyslipidaemia or high cholesterol? (Should have lasted or likely to last for 6+ months)19 24 |
| MI | Have you ever been told by a doctor or nurse that you have had MI or heart attack? (Should have lasted or likely to last for 6+ months)19 21 24 |
| CVA | Have you ever been told by a doctor or nurse that you have had cardiovascular attack or stroke? (Should have lasted or likely to last for 6+ months)19 21 24 27 |
| CKD | Have you ever been told by a doctor or nurse that you have had CKD? (Should have lasted or likely to last for 6+ months)19 21 |
| ESKD | Have you ever been told by a doctor or nurse that you have had kidney failure or do you need dialysis? (Should have lasted or likely to last for 6+ months)19 |
| Cancer | Have you ever been told by a doctor or nurse that you have had cancer? (Should have lasted or likely to last for 6+ months)21 27 |
| Arthritis | Have you ever been told by a doctor or nurse that you have had arthritis? (Should have lasted or likely to last for 6+ months)27 |
| Depression | Have you ever been told by a doctor or nurse that you have had depression? (Should have lasted or likely to last for 6+ months)24 27 |
| Acute foot trauma | Have you had major trauma to your feet that resulted in a fracture, burn, wound or infection that required hospital treatment?8 9 |
| Smoker | Are you a current smoker?19 21 24 27 |
| Ex-smoker | If no to smoker, did you ever smoke?19 21 24 27 |
| Self-care ability | |
| Mobility impairment | Are you able to walk without the help of an aide?11 21 |
| Vision impairment | Are you able to read a newspaper (with glasses if needed)11 21 |
| Footwear worn: inside | From a sheet displaying 16 different types of footwear: What is the type of shoes you have worn most inside the house over the past 12 months?21 29 30 |
| Footwear worn: outside | From a sheet displaying 16 different types of footwear: What is the type of shoes you have worn most outside the house over the past 12 months?21 29 30 |
| Low-risk footwear | Participant identified picture of walking shoe, runner, oxford shoe, boot or bespoke footwear as footwear worn most29 30 |
| Moderate-risk footwear | Participant identified picture of moccasin, ugg boot, slipper or backless slipper as footwear worn most29 30 |
| High-risk footwear | Participant identified picture of high heels, flip flop, court shoe, mule or sandal as footwear worn most29 30 |
| No footwear worn | Participant identified picture of socks only or barefoot as footwear worn most29 30 |
| Past foot treatment | |
| Yes | Have you been treated for a foot problem in the past 12 months? (Excluding in the current admission)19 31 |
| Podiatry | Have you been treated for a foot problem by a podiatrist in the past 12 months? (Excluding in the current admission)19 31 |
| GP | Have you been treated for a foot problem by a GP in the past 12 months? (Excluding in the current admission)19 31 |
| Physician | Have you been treated for a foot problem by another medical physician in the past 12 months? (Excluding in the current admission)19 31 |
| Surgeon | Have you been treated for a foot problem by a surgeon in the past 12 months? (Excluding in the current admission)19 31 |
| Nurse | Have you been treated for a foot problem by a nurse in the past 12 months? (Excluding in the current admission)19 31 |
| Orthotist | Have you been treated for a foot problem by an orthotist in the past 12 months? (Excluding in the current admission)19 31 |
| Other | Have you been treated for a foot problem by any other health professional/s in the past 12 months? (Excluding in the current admission)19 31 |
| Foot disease history | |
| Previous PN | Have you ever been told by a doctor or nurse that you have had PN? (Should have lasted or likely to last for 6+ months)19 |
| Previous PAD | Have you ever been told by a doctor or nurse that you have had PAD? (Should have lasted or likely to last for 6+ months)19 21 |
| Previous foot ulcer | Have you ever had a foot ulcer that has healed?19 21 |
| Previous amputation | Have you ever had an amputation? Plus, a clinical examination to verify previous healed lower extremity amputation site19 21 |
| Foot risk factors | |
| PN | A lack of protective sensation to a 10 g monofilament on at least 2 of 3 plantar forefoot locations on at least one foot11 19 28 32 33 |
| PAD | Absence of at least one palpable foot pulse and a toe systolic pressure <70 mm Hg on at least one foot10 19 33–35 |
| Mild PAD | Toe systolic pressure=51–70 mm Hg10 19 33–35 |
| Moderate PAD | Toe systolic pressure=31–50 mm Hg10 19 35 36 |
| Critical PAD (ischaemia) | Toe systolic pressure=<30 mm Hg10 19 33 35 |
| Foot deformity | A score of at least 3 using the 6-point foot deformity score on at least one foot (1 point each allocated for small muscle wastage, bony prominence, prominent metatarsal heads, hammer/claw toes, limited joint mobility and Charcot deformity)19 29 32 |
| Foot disease | |
| Acute Charcot | A red, hot, swollen, unilateral neuropathic foot without a local foot wound on at least one foot19 28 32 |
| Current foot ulcer | Do you have a current foot ulcer or sore? Plus, a clinical examination to verify a full thickness wound beneath the ankle19 37 |
| Current foot infection | At least 2 manifestations of inflammation beneath the ankle (purulence, erythema, pain, tenderness, warmth or induration)19 33 38 39 |
| Foot risk status | |
| Low risk | Nil foot disease history or clinical diagnosis of current foot disease, PN or PAD identified during the clinical examination19 32 |
| At risk | Clinical diagnosis of PN and/or PAD (excluding critical PAD) identified during the clinical examination19 32 |
| High risk | Clinical diagnosis of critical PAD, or, foot deformity with PN and/or PAD, or, self-reported previous foot ulcer or amputation19 32 |
| Acute | Current foot wound or acute Charcot19 32 |
| Foot-related condition admission | |
| Primary reason for admission | Is a foot condition the main reason for your hospital admission?5 20 22 23 |
| Secondary reason for admission | Is a foot condition another reason for your hospital admission?5 22 23 |
CKD, chronic kidney disease; CVA, cardiovascular accident; ESKD, end-stage kidney disease; GP, general practitioner; MI, myocardial infarct; PAD, peripheral arterial disease; PN, peripheral neuropathy; QFDF,Queensland Foot Disease Form.