Table 4.
Study quality summary.
| Trials | Badger et al. (2007) | Cadmus et al. (2009) | Cadmus et al. (2009) | Courneya et al. (2003) | Courneya et al. (2007) | Courneya et al. (2009) | Culos-Reed et al. (2010) | Daley et al. (2007) | Dodd et al. (2010) | Kaltsatou et al. (2011) | Monga et al. (2007) | Mutrie et al. (2007) | Payne et al. (2008) | Perna et al. (2010) | Thorsen et al. (2005) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PEDro Criterion | |||||||||||||||
| 1. Eligibility criteria were specified. | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 2. Subjects were randomly allocated to groups. | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 3. Allocation was concealed. | X | X | X | X | X | X | -- | X | -- | -- | X | X | X | X | X |
| 4. The groups were similar at baseline regarding most important prognostic indicators. | X | X | X | X | X | X | X | X | X | X | X | X | -- | X | X |
| 5. There was blinding of all subjects. | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 6. There was blinding of all therapists who administered the therapy. | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 7. There was blinding of all assessors who measured at least one key outcome. | -- | X | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | X | -- | -- |
| 8. Measurements of at least one key outcome were obtained from more than 85% of the subjects initially allocated to groups. | X | X | X | X | X | X | -- | X | X | X | -- | X | X | -- | -- |
| 9. All subjects for whom outcome measurements were available received the treatment or control condition as allocated, or where this was not the case, data for at least one key outcome were analyzed by ‘intention to treat”. | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 10. The results of between-group statistical comparisons are reported for at least one key outcome. | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 11. The study provides both point measurements and measurements of variability for at least one key outcome. | X | X | X | X | X | X | X | X | -- | X | X | X | -- | -- | X |
| Total Criteria Met (item #1 is not included in summary score) | 7 | 8 | 7 | 7 | 7 | 7 | 5 | 7 | 5 | 6 | 7 | 7 | 6 | 5 | 7 |
Note: “X” = criterion is evidenced in article; “—” = criterion is not evidenced, not applicable, not coded, or could not be determined in article.
Criterion #5 is typically not applicable to behavioral interventions of exercise.
Note: Items 2–9 on the PEDro scale are utilized to assess internal validity.