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Table 5 Overview of baseline participant characteristics

From: An anti-inflammatory diet intervention for knee osteoarthritis: a feasibility study

Variable Total (n = 27)#
Age, mean ± standard deviation years 66 ± 8
Female sex, n (%) 22 (82)
Height, mean ± standard deviation cma 166.6 ± 8.2
Weight, mean ± standard deviation kga 84.4 ± 16.0
Body mass index, mean ± standard deviation kg.m-2a 30.6 ± 4.6
Caucasian ethnicity, n (%) 27 (100)
Highest education level, n (%)
 Up to secondary school 1 (4)
 Completed secondary school 8 (30)
 Apprenticeship 3 (11)
 Bachelor’s degree 10 (37)
 Post-graduate degree 5 (19)
Employment, n (%)
 Full-time 3 (11)
 Part-time 5 (19)
 Casual 1 (4)
 Retired 18 (67)
Living arrangement, n (%)
 Alone 5 (19)
 With spouse 18 (67)
 With family 4 (15)
Household income $AUD, n (%)
  < 50,000 13 (48)
  > 50,000 9 (33)
 Undisclosed 5 (19)
Co-morbidities, n (%)
 Diabetes 1 (4)
 Hypertension 8 (30)
 Dyslipidaemia 5 (19)
 Pulmonary disease 1 (4)
 Cancer 3 (11)
 Otherc 5 (19)
Knee affected by osteoarthritis, n (%)
 Left 14 (52)
 Right 11 (41)
 Both 2 (7)
Average knee pain (0–10), mean ± standard deviationb 4.8 ± 1.7
Maximal knee pain (0–10), mean ± standard deviation 7.1 ± 1.8
Duration of knee pain, n (%)
 0–6 months 5 (19)
 6–12 months 4 (15)
 1–3 years 8 (30)
  > 3 years 10 (37)
Past knee injury, n (%) 14 (52)
Family history of osteoarthritis, n (%) 18 (67)
 Knee 8 (30)
 Other jointd 10 (37)
Analgesic use, n (%)b 22 (82)
 Paracetamol 16 (59)
 Oral NSAID 6 (22)
 Topical NSAID 3 (11)
 Glucosamine 3 (11)
 Corticosteroid 3 (11)
 Opioid 1 (4)
 Codeine 2 (7)
 Methotrexate 1 (4)
 Anti-depressant (chronic pain) 1 (4)
  1. NSAID Non-steroidal anti-inflammatory drug
  2. # One participant who withdrew from the study did not consent for their data to be included in the paper
  3. a n = 3 missing baseline anthropometry due to no equipment
  4. bn = 1 data incomplete: Participant did not complete knee pain or analgesic use
  5. c Other medical conditions include coeliac disease, osteoporosis, vascular disease, fibromyalgia
  6. dOther osteoarthritis includes: hip, hand, shoulder and back