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Table 3 Multivariable-adjusted relations of phalangeal BMD and radiographic knee OA (n = 2855)

From: Relation between phalangeal bone mineral density and radiographic knee osteoarthritis: a cross-sectional study

  Status of OP  
  Normal Osteopenia OP P for trend
Participants (n) 1803 786 266 -
Knee OA (n) 484 269 80 -
Multivariable-adjusted OR 1.00 (Reference) 1.08(0.89–1.32) 0.62(0.45–0.86) 0.09
Male subgroup
Multivariable-adjusted OR 1.00 (Reference) 1.14(0.89–1.46) 0.74(0.34–1.59) 0.67
Female subgroup
Multivariable-adjusted OR 1.00 (Reference) 1.01(0.73–1.37) 0.58(0.38–0.87) 0.02
BMI < 25 kg/m2 subgroup
Multivariable-adjusted model 1.00 (Reference) 0.97(0.76–1.25) 0.56(0.37–0.84) 0.03
BMI ≥ 25 kg/m2 subgroup     
Multivariable-adjusted OR 1.00 (Reference) 1.26(0.93–1.70) 0.78(0.45–1.34) 0.84
  1. OA osteoarthritis, OP osteoporosis, BMI body mass index
  2. *The multivariable-adjusted model was adjusted for sex, age, BMI, smoking status, alcohol drinking status, activity level, mean total energy intake, mean Ca intake, as well as Ca supplementation. The prevalence of osteopenia and OP in overweight (BMI ≥ 25 kg/m2) population was 25.6 % and 6.9 %, respectively