Baseline

Week 3

Week 6

Δ week 6-baseline

pa

Frequence

7.09 ± 7.49

3.02 ± 2.64

2.32 ± 3.44

4.77 ± 8.24

<0.001

Duration (min)

35.2 ± 41.4

16.3 ± 17.4

9.4 ± 11.6

25.7 ± 36.4

<0.001