Table 4 Musculoskeletal, cardiovascular, and mental disorders’ synergistic influence on DP in a five-year follow up, presented as hazard ratios (HRs), attributable proportion due to interaction (AP), and synergy index (SI)a
Models | HRs (95% CI) | AP % (95% CI) | SI (95% CI) | |
|---|---|---|---|---|
Model 1 | No musculoskeletal disorder and no MS | 1 | ||
Musculoskeletal disorder (only) | 3.46 (3.43-3.50) | |||
MS (only) | 16.74 (15.36-18.25) | |||
Musculoskeletal disorder and MS | 27.27 (25.36-29.34) | 29.6 (22.3-34.9) | 1.44 (1.33-1.56) | |
Model 1 | No cardiovascular disorder and no MS | 1 | ||
Cardiovascular disorder (only) | 2.51 (2.48-2.54) | |||
MS (only) | 15.13 (14.18-16.15) | |||
Cardiovascular disorders and MS | 17.04 (15.29-18.99) | 2.3 (-1-14.2) | 1.03 (0.90-1.17) | |
Model 1 | No mental disorder and no MS | 1 | ||
Mental disorder (only) | 8.48 (8.38-8.58) | |||
MS (only) | 8.66 (7.85-9.55) | |||
Mental disorder and MS | 30.99 (28.56-33.64) | 48.0 (44.1-51.8) | 1.98 (1.84-2.14) |