Table 5 Mediation analysis of the effect of obesity indicators change over 2 years on KOA progression mediated by IPFP CSA change over 2 years
Independent variable (X) | Indirect effect coefficient (95% CI) | Direct effect coefficient (95% CI) | Mediation (%) |
|---|---|---|---|
All (n = 630) |  |  |  |
Baseline BMI | 0.0721 (0.0340, 0.1188) | 0.0107 (-0.0343, 0.0557) | 87 |
Men only (n = 184) |  |  |  |
Baseline BMI | 0.0499 (-0.0395, 0.1600) | -0.0105 (-0.1132, 0.923) | Â |
Women only (n = 446) |  |  |  |
Baseline BMI | 0.0825 (0.0350, 0.1424) | 0.0165 (-0.0345, 0.0675) | 83.3 |