Model | Estimate | SE | P |
---|---|---|---|
(a) GLM—ESS score as a continuous variable | -0.0068 | 0.0009 |  < 0.001 |
(b) GLM—US/RoW cutoffs (reference 0–10) | |||
 Mild EDS (ESS, 11–12) | -0.0134 | 0.0174 | 0.44 |
 Moderate EDS (ESS, 13–15) | -0.0505 | 0.0165 | 0.002 |
 Severe EDS (ESS, 16–24) | -0.1132 | 0.0159 |  < 0.001 |
(c) GLM—UK cutoffs (reference 0–10) | |||
 Mild EDS (ESS, 11–14) | -0.0268 | 0.0138 | 0.05 |
 Moderate EDS (ESS, 15–18) | -0.0789 | 0.0167 |  < 0.001 |
 Severe EDS (ESS, 19–24) | -0.1513 | 0.0236 |  < 0.001 |
(d) Piecewise linear with breakpoint at 11.29 | |||
 ESS Slope 1 (ESS, < 11.29) | -0.0028 | 0.0018 | 0.13 |
 ESS Slope 2 (ESS, > 11.29) | -0.0134 | 0.0031 |  < 0.001 |
(e) Linear spline with breakpoint at 11 | |||
 ESS, 0–11 | -0.0026 | 0.0016 | 0.11 |
 ESS, 12–24 | -0.0131 | 0.0022 |  < 0.001 |