Predictor variables for distance walked in the ISWT
| Variable | Unstandardised coefficient (b) | 95% CI | p Value |
| Age | −6.95 | −7.23 to − 6.67 | >0.001 |
| Gender | 101.18 | 93.70 to 108.66 | >0.001 |
| Constant | 719.20 | 699.80 to 738.60 | >0.001 |
ISWT, incremental shuttle walk test