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Chapter 4
instructions on an additional navigation function within the activity screens (see Appendix 1: 6.“Activities”). The questionnaire finished with a video clip in which the host thanked the respondent for completing the questionnaire, explained what the physical therapist would do next, and announced that the questionnaire would end and close down automatically (Appendix 1: 16. “Thank you”). To help patients keeping track of their answering process, overviews of their answers were shown regularly during the response process (see Appendix 1: 5. “Overview location of the health problems”, “Overview activities”, “Overview most important activities”, “Overview most important activities and effort”, “Overview all outcomes of the questionnaire”). For respondents who needed help or wanted more information on questions and/or answer options, a help function was provided. When the help function was activated, the question and answer options, as well as instructions on operation and background information on the questions, were given in spoken word [20].
Recruitment Strategy and Participants
Recruitment took place in eleven primary care practices in deprived areas of Utrecht, The Netherlands. Potential participants were invited by their physical therapists to participate in this study. The physical therapists shortly explained the goal of the study and provided the patient with an information letter that was written in plain Dutch language. If patients were interested, the physical therapist asked permission to give the patients’ telephone number to researcher IT. Then researcher IT (1) Contacted the patient by telephone, (2) Again shortly explained the aim of the study, (3) Made sure the patient understood what was asked of him/her, (4) answered any question the potential participant may have had, and (5) Checked the inclusion criteria. Inclusion criteria for participants were as follows: aged 18 years or older, Dutch as their first language, and both parents born in The Netherlands. The sampling procedure was aimed at getting a broad variation in levels of education and age, plus balance in our sample regarding gender. Throughout the recruitment process, the recruiting physical therapists were constantly kept informed about the profiles of participants the researchers were looking for. In total, 24 physical therapy patients were included in this study. Characteristics of study population can be found in Tables 4.1.1 and 4.2.1.
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