Table 2 Interaction effect between RDW and PRS with incident RA on the multiplicative and additive scale
RDW | PRS | RERI | AP | S | Multiplicative effect | Pint |
|---|---|---|---|---|---|---|
Q1 | Low | 0 | 0 | 1 | 1 | - |
Q2 | Intermediate | −0.43 (−1.78, 0.92) | −0.23 (−0.92, 0.45) | 0.66 (0.25, 1.71) | 0.69 (0.28, 1.67) | 0.411 |
Q2 | High | 0.30 (−1.38, 1.98) | 0.10 (−0.45, 0.64) | 1.17 (0.45, 3.04) | 0.89 (0.34,2.33) | 0.806 |
Q3 | Intermediate | −0.49 (−1.81, 0.84) | −0.29 (−0.99, 0.42) | 0.59 (0.22, 1.55) | 0.68 (0.28, 1.64) | 0.390 |
Q3 | High | 1.24 (−0.46, 2.93) | 0.31 (−0.08, 0.71) | 1.71 (0.67, 4.37) | 1.21 (0.47, 3.11) | 0.688 |
Q4 | Intermediate | 1.77 (0.63, 2.92) | 0.48 (0.19, 0.77) | 2.88 (0.71, 11.70) | 1.79 (0.74, 4.34) | 0.199 |
Q4 | High | 5.38 (1.90, 8.86) | 0.67 (0.49, 0.86) | 4.32 (1.53, 12.19) | 2.76 (1.07, 7.14) | 0.036 |