Table 3

The association between erosive and non-erosive hand osteoarthritis (OA) and bone mineral density of the femoral neck (linear regression analyses)

Crude B (95% CI)Adjusted B (95% CI)*
Model 1 (comparison of three groups of participants)
 No DIP/PIP OA (ref)0.000.00
 Erosive OA−0.06 (−0.08, −0.03)0.01 (−0.01, 0.03)
 Non-erosive OA−0.02 (−0.03, −0.01)0.01 (−0.001, 0.02)
Model 2 (number of affected DIP/PIP joints) (all participants, one model)
 Erosive joints−0.007 (−0.011, −0.003)−0.001 (−0.005, 0.003)
 Non-erosive joints−0.005 (−0.007, −0.003)0.002 (−0.001, 0.004)
  • *Adjusted for age, sex and BMI.

  • B, regression coefficient (unstandardised β); BMI, body mass index; DIP, distal interphalangeal; PIP, proximal interphalangeal.