Table 1 Overview of data sources, questions, and response categories that constitute each of the concepts that are involved in the implementation (delivery (content and quality) and receipt (participation and responsiveness)). All response categories were scored into a scale from 0 to 100 (numbers given in parentheses after each of the response categories)

Delivery (content and quality)

 Content (success criteria)

Instructor logbooks

Have you implemented the following according to the manual: (55 success criteria)?

Not implemented (0)/partly implemented (50)/completely implemented (100)/implemented more in depth (100)

 Quality (understanding of the day’s theme)

Instructor logbooks

To which extent...

To a very large extent (100)/to a large extent (100)/some-what (50)/to a small extent (0)/to

Has the activity of the day (as described in the protocol) been very small extent (0)

easy to comprehend?

...did you have a clear understanding of today’s theme(s)?

…do you think today’s themes were relevant?

...do you think today’s themes was interesting?

 Qaulity (contribution to the participants’ learning)

Instructor logbooks

Regarding today, to which extent have you contributed to…

To a very large extent (100)/to a large extent (100)/somewhat (50)/to a small extent (0)/to a very small extent (0)

...the participants’ commitment and motivation?

...ensuring the employees’ participation in the activity?

...adapting the activity to the needs of the participants?

...maintaining the participants’ attention?

 Quality (self-rated performance)

Instructor logbooks

Suppose that your performance, at its best, is equal to 10 points.

How would you rate your performance today?

0–10 (0 = not capable to perform; 10 = best performance) (0–4 were scored 0, 5–7 were scored 50, 8–10 were scored 100)

Receipt (participation and responsiveness)

 Participation

Instructor logbooks

Attendance at session

Yes/no (0–100)

 Responsiveness

Intervention evaluation questionnaire, completed by the participants

To which extent have you...

To a very large extent (100)/To a large extent (100)/Some-what (50)/To a small extent (0)/To a very small extent (0)

 Responsiveness (Satisfaction)

...been satisfied with the physical training?

...been satisfied with the cognitive training?

...been satisfied with the ergonomics?

...been satisfied with project overall?

...all in all, found the project relevant?

...all in all, found the project interesting?

 Responsiveness (intervention-related social support)

The instructor supported and encouraged me?

Often (100)/always (100)/sometimes (50)/seldom (0)/never (0)

The group supported and encouraged me?

I trusted the instructor and shared my own challenges and thoughts?

I trusted the group and shared my own challenges and thoughts?

 Responsiveness (motivation)

Instructor logbooks

To which extent are the participants committed and motivated?

To a very large extent (100)/to a large extent (100)/somewhat (50)/to a small extent (0)/to a very small extent (0)