front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |28 |29 |review |
- Intraclass correlation coefficients are typically utilized to describe the reproducibility of physical activity questionnaires. It is useful to present correlations for overall activity, as well as activity according to intensity and type. - Correlation coefficients ranging between 0.5 to 0.7 are not unusual for reproducibility of physical activity questionnaires. Questionnaires with these values for reproducibility have been strong and consistent predictors of disease. |