131 A Human-Centered Design Approach to Develop Oral Health Nursing Interventions in Patients with a Psychotic Disorder Data Collection Contextual Interviews For the contextual interviews (step 1a), we aimed to deeply understand (1) the attitudes and daily practices of MHNs regarding oral health, (2) the obstacles and barriers MHNs experienced related to oral health in daily practice, (3) what suggestions MHNs had in terms of oral health nursing interventions, and (4) what conditions are required, according to MHNs, to support their patients with a psychotic disorder by interviewing them in the context of their work [35]. The data were collected by a trained research nurse (S.K.) between January 2021 and June 2021. All interviews were audio-recorded and transcribed verbatim. Semi-Structured Interviews The purpose of conducting semi-structured interviews in step 2a was to gather information from participants who had experiences, attitudes, perceptions, and beliefs related to the topic of interest. These semi-structured interviews were used to (ecologically) validate the findings in the personas (step 2b) (see analysis, Section 2.4.2.). In this case, ecological validity referred to the realism with which the persona matched the MHNs or their team members’ real work context and how accurately the personas reflected the relevant characteristics and their context in the world or environment [36]. Personas were characterized as valid when nurses recognized themselves or team members in a persona. The semi-structured interviews included a shortlist of “guiding” questions [37] (e.g., with which persona (or elements of the persona) do you identify most? Looking at the team of nursing colleagues you work with, which persona or elements are most recognizable? With which suggestions for interventions do you identify? Are these interventions relevant and useful in your work with patients with a psychotic disorder and why?) (Appendix C). The personas (created in step 1b) were presented to MHNs and served as a compass during the semi-structured interviews. Participants were asked to read the persona descriptions, identify personal connections with the personas and characteristics, describe additional barriers and needs that influenced their opinion, and generate ideas for interventions and site conditions that would be useful to other mental health professionals that share their characteristics, barriers, and needs. 5
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