RCTs
| | | | |
Meischke et al, 1997,16 USA | 7 wk+10 m | None | 10 m | 14 m |
Luepker et al, 2000,17 USA | 18 m | 4 m | 18 m | None |
Controlled trial
| | | | |
Rowley et al, 1982,15 England | 32 m | 3 m | 32 m | None |
Before and after studies
| | | | |
Mitic and Perkins, 1984,12 Canada | 8 wk | 4 wk | 8 wk | 1 wk (3 m) |
Ho et al, 1989,10 USA | 2 m | 4.5 m | None | 4.5 m |
Moses et al, 1991,13 USA | 24 m | 12 m | 24 m | None |
Rustige et al, 1992,14 Germany | 9 m (1st period) | 6 m | 9 m | 6 m (after 1st period) |
| 18 m (2nd period) | | | 18 m (ongoing with 2nd period) |
Bett et al, 1993,7 Australia | 1 wk | 2 m | None | 1 m (1 m) |
Blohm et al, 1994,8 Sweden | 14 m | 21 m | 14 m | 36 m |
Gaspoz et al, 1996,9 Switzerland | 12 m | 12 m | 12 m | None |
Maeso-Madronero et al, 2000,11 Germany | 6 m | 6 m | 6 m | None |