Table 6 Reasons for declination of study participation given by nonparticipants of the BEST-study

Journey too far/difficulties to reach training centre

70.8%

Time conflicts

23.1%

Twice a week training is too much

13.8%

Health problems

12.3%

I do not want to participate in relaxation

12.3%

Dislike of randomization

10.8%

Additional time for questionnaires and measurements is too much

9.2%

Pain

9.2%

Resistance training too exhausting

7.7%

Too tired or not motivated enough

6.2%

I can’t be bothered

3.1%

Doubts about meaningfulness of the study

1.5%

Doubts about benefit of the training

1.5%

Investigation too burdensome/ inconvenient

1.5%

1 h training/session is too much

1.5%

Prefer not to give reasons

1.5%

Other reasons

15.4%