Perceived usefulness of the Active for Life intervention
Perceived usefulness was measured at week 12 by asking participants how useful they found 1) the whole program, 2) the action planning tool, and 3) the library of exercises with the following response options: 1) ‘I did not use this feature at all’, 2) ‘not at all useful’, 3) ‘not very useful’, 4) ‘neutral’, 5) ‘somewhat useful’, and 6)’very useful’. The response options were collapsed into two categories 1) useful, and 2) did not use, not useful or neutral.