Logistic regression models for predicting PA level 1 year poststroke
| Coefficient | B | SE | Wald's test | df | p | OR (95% CI) |
| (a) Dependent variable of mostly inactive (n=73) | ||||||
| Constant | −6.52 | 2.15 | 9.17 | 1 | 0.002 | 0.001 |
| Age | 0.06 | 0.03 | 4.18 | 1 | 0.041 | 1.07 (1.00 to 1.13) |
| mRS at discharge | 1.95 | 0.71 | 7.43 | 1 | 0.006 | 7.01 (1.73 to 28.43) |
| Prestroke PA (mostly inactive) | 2.01 | 0.81 | 6.10 | 1 | 0.014 | 7.46 (1.51 to 36.82) |
| Test | Χ2 | df | p | |||
| Likelihood ratio test | 32.59 | 3 | <0.001 | |||
| Hosmer and Lemeshow | 9.66 | 8 | 0.290 | |||
| (b) Dependent variable of low level of PA (n=77) | ||||||
| Constant | −8.12 | 2.25 | 13.03 | 1 | <0.001 | <0.001 |
| Age | 0.13 | 0.03 | 13.52 | 1 | <0.001 | 1.13 (1.06 to 1.21) |
| mRS at discharge | 1.29 | 0.61 | 4.41 | 1 | 0.036 | 3.62 (1.09 to 12.04) |
| Test | Χ2 | df | p | |||
| Likelihood ratio test | 30.47 | 2 | <0.001 | |||
| Hosmer and Lemeshow | 3.28 | 7 | 0.858 | |||
Dependent variable coded as (a) mostly active=0, mostly inactive=1; (b) moderate/high PA=0, low PA=1; Cox and Snell R2(a)=0.360; (b)=0.327 Nagelkerke R2(a)=0.489; (b)=0.453.
PA, physical activity; mRS, Modified Rankin Scale.