Multiple regression analyses for predictive factors of vigorous physical activity (n=172)
| Variables | Coefficient | SE | t | P values | 95% CI |
| Intercept | 0.77 | 0.11 | 7.04 | <0.0001* | 0.55 to 0.98 |
| PAIS | 0.24 | 0.03 | 7.51 | <0.0001* | 0.18 to 0.31 |
*Adjusted R2=0.245.
PAIS, Physical Activity Intention scale.