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Table 6 Correlates of CAM use among participants with radiographic-confirmed knee OA by BMI level

From: CAM use among overweight and obese persons with radiographic knee osteoarthritis

  BMI ≥ 35 kg/m2 BMI between 30 and <35 kg/m2 BMI between 25 and <30 kg/m2 BMI < 25 kg/m2
(n = 364) (n = 804) (n = 1,042) (n = 465)
  Odds ratios (95% Confidence intervals) a
Age ≥ 65 years 2.79 (1.53-5.09) 1.29 (0.89-1.86) 1.01 (0.73-1.39) 1.22 (0.72-2.06)
Women 1.85 (1.08-3.15) 1.56 (1.11-2.17) 1.66 (1.25-2.21) 3.27 (2.03-5.27)
Race/ethnicity     
  Black 0.87 (0.51-1.48) 0.84 (0.57-1.25) 0.36 (0.23-0.58) 1.06 (0.42-2.71)
  Latino 1.04 (0.13-8.13) 1.73 (0.24-12.34) 0.98 (0.33-2.97) 1.53 (0.30-7.68)
  Other 0.20 (0.02-2.14) 1.69 (0.57-5.00) 1.48 (0.54-4.07) 2.35 (0.63-8.81)
  Non-hispanic white 1.0 1.0 1.0 1.0
Education     
  ≥College graduate 0.96 (0.49-1.87) 1.84 (1.20-2.82) 1.71 (1.14-2.56) 1.58 (0.80-3.13)
  Some college 1.00 (0.52-1.91) 1.54 (0.97-2.43) 1.43 (0.91-2.24) 1.37 (0.63-2.96)
  High school or less 1.0 1.0 1.0 1.0
Employment status 2.21 (1.26-3.88) 1.08 (0.75-1.55) 0.83 (0.61-1.13) 1.66 (1.01-2.73)
Depression 1.28 (0.66-2.50) 0.89 (0.52-1.52) 0.95 (0.55-1.64) 0.34 (0.14-0.81)
KOOS–QOLb 0.70 (0.53-0.91) 0.55 (0.45-0.66) 0.66 (0.57-0.78) 0.62 (0.48-0.80)
Multi-joint osteoarthritis 1.36 (0.79-2.33) 1.64 (1.17-2.30) 1.25 (0.94-1.68) 1.96 (1.24-3.11)
Isometric strength/chair stands (seconds)b 0.92 (0.71-1.19) 0.78 (0.66-0.93) 1.06 (0.91-1.23) 0.95 (0.74-1.21)
OARSIc Grade 3 (severe) 1.87 (0.92-3.79) 1.28 (0.79-2.06) 1.60 (1.07-2.39) 2.49 (1.26-4.91)
  Grade 1–2 (narrowed) 1.27 (0.73-2.22) 1.08 (0.74-1.56) 1.15 (0.84-1.58) 1.17 (0.73-1.86)
  Grade 0 (normal) 1.0 1.0 1.0 1.0
  1. aModels stratified by obesity levels. bOdds ratios are per one standard deviation change in KOOS-QOL scale and chair stand test. cX-ray evidence of joint space narrowing.