Table 1 Results of the methodological quality assessment
Criteria | #1 Raviv & Low,1990 | #2 Caterino & Polak,1999 | #3 Mahar et al.,2006 | #4 Budde et al.,2008 | #5 Cereatti et al.,2009 | #6 Hillman et al.,2009 | #7 Grieco et al.,2009 | #8 Stroth et al.,2009 | #9 Drollette et al.,2012 | #10 Pirrie & Lodewyk,2012 | #11 Pontifex et al.,2013 | #12 Drollette et al.,2014 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Objective | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Main outcomes | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Participant characteristics | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
Interventions of interest | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
Confounders described | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 |
Main findings | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
Random variability | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Characteristics of lost to follow-up participants | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 |
Actual probability values given | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
Representative population | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Representative participants | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Blinding of participants | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Blinding of test leaders | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Control and intervention condition described (type, duration and level PA) | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 |
Length of follow-up same for intervention and control group | 0 | NA | 0 | 1 | NA | 0 | 1 | 1 | 0 | 1 | 0 | 0 |
Statistical tests appropriate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Compliance to intervention measured | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
Main outcome measures accurate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
Intervention and control group recruited from the same population | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
Intervention and control group recruited over the same period of time | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
Randomisation | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 |
Randomisation assignment concealed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Adjustment for confounding | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Losses to follow-up taken into account | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 |
Power analysis provided | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Â | #1 | #2 | #3 | #4 | #5 | #6 | #7 | #8 | #9 | #10 | #9 | #12 |
Total score | 9 | 10 | 9 | 15 | 11 | 14 | 12 | 15 | 16 | 13 | 15 | 16 |
Percentage (%) | 36 | 40 | 36 | 60 | 44 | 56 | 48 | 60 | 64 | 52 | 60 | 64 |