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Table 2 Osteoarthritis correlates of total AQoL score at baseline, using linear regression

From: A prospective study of the impact of musculoskeletal pain and radiographic osteoarthritis on health related quality of life in community dwelling older people

  Prevalence % Step 1: Multivariable β(95% CI) Adjusted for age, sex and BMIf Step 2: Multivariable β(95% CI)§Further adjusted for all variables significant in Step 1
Diagnosed OA of:    
Neck 168 (15) 2.72 (1.80 to 3.64) −0.32 (−0.96 to 0.32)
Shoulders 193 (18) 3.58 (2.34 to 4.81) 0.23 (−0.64 to 1.10)
Back 167 (15) 3.41 (2.54 to 4.28) 0.71 (0.02 to 1.41)
Hips 97 (9) 3.05 (1.93 to 4.17) 0.04 (−0.74 to 0.82)
Hands 113 (10) 2.32 (1.41 to 3.23) 0.09 (−0.55 to 0.72)
Knees 152 (14) 2.48 (1.52 to 3.43) 0.15 (−0.55 to 0.85)
Feet 103 (9) 3.40 (2.21 to 4.59) 0.30 (−0.49 to 1.09)
Hip JSN (yes/no) 377 (37) 0.34 (−0.31 to 0.99) -
Knee JSN (yes/no) 688 (67) 0.06 (−0.60 to 0.72) -
Hip osteophyte (yes/no) 190 (19) −0.10 (−0.89 to 0.69) -
Knee osteophyte (yes/no) 143 (14) −0.31 (−1.21 to 0.59) -
Pain in the:    
Neck (yes/no) 514 (47) 3.14 (2.58 to 3.71) 0.65 (0.16 to 1.15)
Shoulder (yes/no) 674 (62) 3.35 (2.77 to 3.93) 1.03 (0.52 to 1.54)
Back (yes/no) 481 (44) 2.94 (2.39 to 3.50) 0.58 (0.12 to 1.05)
Hip (yes/no) 481 (44) 2.44 (1.83 to 3.04) 0.26 (−0.18 to 0.70)
Hand (yes/no) 505 (46) 2.63 (2.05 to 3.22) 0.50 (0.04 to 0.96)
Knee (yes/no) 451 (41) 2.72 (2.13 to 3.31) 0.41 (−0.04 to 0.86)
Foot (yes/no) 412 (38) 3.27 (2.64 to 3.89) 1.13 (0.62 to 1.63)
  1. Statistically significant (p ≤ 0.05) results indicated in bold type.
  2. f after adjustment for age, sex and BMI.
  3. § further adjusted for diagnosis of RA, arthritis at all sites or pain at all sites and leg strength.
  4. R2 for final model (Step 2) = 27%; R2 excluding pain is 13%; R2 pain alone = 23%.
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