134 | Chapter 7 Data collection Questionnaires A total of 131 FPP participants were asked, four months after start of the study (immediately after finishing the FPP) to complete a questionnaire online (by email) or on paper. This questionnaire included questions about performance of home exercises, satisfaction with In Balance, self-perceived health effects and willingness to pay a financial contribution, see Appendix 7.1 for the questionnaire. All 14 therapists who participated in the randomized controlled trial were asked to fill out a questionnaire about their experiences with the FPP (280). This questionnaire included satisfaction about the program, the most suitable target group for the program and costs of the program. Focus groups The duration of each focus group was about two hours. We used baseline characteristics of the FPP participants from data collected in the randomized controlled trial after obtaining informed consent to also use them in this study. The therapists and stakeholders filled out a short questionnaire to collect demographic characteristics. All focus groups were audio recorded. Audio recordings were saved in a protected online environment and were subsequently deleted from the audio recorder. To create an open environment, an independent female researcher, MM, with over 20 years of experience with conducting interviews and group discussions, led the focus groups. MM was not involved with the design of the study and analysis of the results. MvG was present during the focus groups and made field notes but was not actively involved in leading the focus group discussions. Participants had no relationship with the independent researcher. This independent researcher developed the discussion manual together with the other authors. Focus groups were organized until data saturation was reached which was discussed by the research team. Because of privacy considerations, we did not return the transcripts to participants for their review and comments. FPP participants First, three focus groups were performed with in total 33 FPP participants. Table 7.1 includes the interview schedule for this focus group.
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