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Table 4 Associated self-reported impairment and comorbidities among adults with symptomatic midfoot OA

From: The epidemiology of symptomatic midfoot osteoarthritis in community-dwelling older adults: cross-sectional findings from the Clinical Assessment Study of the Foot

Self-reported impairment/comorbidity Total N SMOA N Crude OR (95 % CI) Adjusted ORa (95 % CI)
SF-12 Physical impairmentb     
 No 242 30 1 1
 Yes 245 76 3.18 (1.99, 5.08) 2.87 (1.78, 4.62)
SF-12 Mental impairmentb     
 No 240 45 1 1
 Yes 247 61 1.42 (0.92, 2.19) 1.42 (0.91, 2.21)
HADS anxiety     
 Normal (0–7) 289 52 1 1
 Mild (8–10) 114 30 1.63 (0.97, 2.72) 1.73 (1.02, 2.94)
 Moderate (11–14) 92 29 2.10 (1.23, 3.57) 2.26 (1.30, 3.93)
 Severe (15–21) 23 6 1.61 (0.60, 4.28) 1.99 (0.74, 5.39)
HADS depression     
 Normal (0–7) 371 71 1 1
 Mild (8–10) 86 27 1.93 (1.15, 3.26) 1.86 (1.09, 3.17)
 Moderate (11–14) 50 16 1.99 (1.04, 3.80) 1.93 (0.99, 3.75)
 Severe (15–21) 11 3 1.58 (0.41, 6.12) 2.11 (0.54, 8.28)
Chest problems     
 No 411 87 1 1
 Yes 114 32 1.45 (0.91, 2.33) 1.34 (0.83, 2.18)
Heart problems     
 No 424 88 1 1
 Yes 101 31 1.69 (1.04, 2.74) 1.48 (0.90, 2.43)
Deafness     
 No 401 89 1 1
 Yes 124 30 1.12 (0.70, 1.80) 0.90 (0.55, 1.49)
Eyesight problemsc     
 No 381 82 1 1
 Yes 144 37 1.26 (0.81, 1.97) 1.13 (0.71, 1.78)
Hypertension     
 No 284 53 1 1
 Yes 241 66 1.64 (1.09, 2.48) 1.40, (0.92, 2.15)
Diabetes     
 No 444 90 1 1
 Yes 81 29 2.19 (1.32, 3.65) 1.93 (1.14, 3.25)
Stroke     
 No 492 113 1 1
 Yes 33 6 0.75 (0.30, 1.85) 0.59 (0.23, 1.49)
Cancer     
 No 493 109 1 1
 Yes 32 10 1.60 (0.74, 3.48) 1.19 (0.54, 2.66)
Circulation problems in legs     
 No 358 68 1 1
 Yes 167 51 1.88 (1.23, 2.86) 1.52 (0.97, 2.38)
Intermittent claudicationd     
 No 443 94 1 1
 Yes 20 4 0.93 (0.30, 2.84) 0.82 (0.26, 2.56)
Non-musculoskeletal comorbiditiese     
 0–1 167 23 1 1
 2–3 153 30 1.53 (0.84, 2.77) 1.31 (0.71, 2.41)
 4+ 137 43 2.86 (1.62, 5.06) 2.23 (1.23, 4.05)
Low back pain     
 No 289 49 1 1
 Yes 236 70 2.07 (1.36, 3.13) 2.09 (1.37, 3.19)
Hip pain     
 No 321 49 1 1
 Yes 204 70 2.90 (1.91, 4.41) 3.08 (2.00, 4.74)
Knee pain     
 No 293 51 1 1
 Yes 232 68 1.97 (1.30, 2.98) 2.12 (1.38, 3.25)
Hindfoot/ankle pain     
 No 234 27 1 1
 Yes 291 92 3.54 (2.21, 5.68) 3.63 (2.25, 5.86)
Forefoot pain     
 No 187 18 1 1
 Yes 338 101 4.00 (2.33, 6.86) 4.50 (2.59, 7.82)
Other lower limb painf     
 No 77 3 1 1
 Yes 448 116 8.62 (2.67, 27.87) 8.53 (2.63, 27.71)
  1. Based on complete case clinic data
  2. OA osteoarthritis, SMOA symptomatic midfoot osteoarthritis, OR odds ratio, CI confidence interval, SF-12 Short Form-12 [13], HADS Hospital Anxiety and Depression Scale [14]
  3. aEstimates adjusted for age and gender
  4. bVariable dichotomised around the median of the data distribution
  5. cExcludes the need for glasses
  6. dDefined as calf pain when walking at an ordinary pace on level ground (including uphill or when hurried) that disappears in 10 min or less by standing still [26]
  7. eCount based on each of the above self-reported variables, excluding SF-12 scores (HADS scores ≥8)
  8. fVariable includes presence of pain in hip, knee, hindfoot/ankle or forefoot