| Model 1 | Model 2 | Model 3a | Model 4a | Model 5a | |||||
---|---|---|---|---|---|---|---|---|---|---|
PR | 95% CI | PR | 95% CI | PR | 95% CI | PR | 95% CI | PR | 95% CI | |
Single association | ||||||||||
 BMI | ||||||||||
   < 23 | 1.36 | (0.93, 1.98) |  |  | 1.03 | (0.74, 1.44) |  |  |  |  |
  23–25 | 1.00 |  |  |  | 1.00 |  |  |  |  |  |
  25–30 | 1.21 | (0.86, 1.69) |  |  | 1.01 | (0.75, 1.36) |  |  |  |  |
   ≥ 30 | 1.68 | (1.16, 2.44) |  |  | 1.24 | (0.89, 1.73) |  |  |  |  |
 Lower extremity performance | ||||||||||
  Intact (SPPB 10–12) |  |  | 1.00 |  | 1.00 |  |  |  |  |  |
  Impaired (SPPB 0–9) |  |  | 3.31 | (2.62, 4.18) | 2.58 | (2.05, 3.25) |  |  |  |  |
Combined association | ||||||||||
 Intact LEP with BMI | ||||||||||
   < 23 |  |  |  |  |  |  | 1.15 | (0.60, 2.23) | 1.09 | (0.56, 2.11) |
  23–25 |  |  |  |  |  |  | 1.00 |  | 1.00 |  |
  25–30 |  |  |  |  |  |  | 1.18 | (0.66, 2.11) | 1.19 | (0.67, 2.12) |
   ≥ 30 |  |  |  |  |  |  | 1.48 | (0.77, 2.82) | 1.43 | (0.76, 2.71) |
 Impaired LEP with BMI | ||||||||||
   < 23 |  |  |  |  |  |  | 3.03 | (1.73, 5.31) | 2.71 | (1.55, 4.74) |
  23–25 |  |  |  |  |  |  | 3.14 | (1.74, 5.67) | 2.73 | (1.53, 4.89) |
  25–30 |  |  |  |  |  |  | 2.89 | (1.68, 4.97) | 2.66 | (1.56, 4.53) |
   ≥ 30 |  |  |  |  |  |  | 3.55 | (2.02, 6.27) | 3.31 | (1.89, 5.81) |
 Use of a private car | ||||||||||
  Car driver |  |  |  |  |  |  |  |  | 1.00 |  |
  Private car passenger |  |  |  |  |  |  |  |  | 2.07 | (1.39, 3.07) |
  No use a private car |  |  |  |  |  |  |  |  | 2.15 | (1.41, 3.28) |