Thesis

14 | Chapter 1 Chapter 3 presents the study protocol of the In Balance randomized controlled trial, detailing the rationale and methods for evaluating the effectiveness, cost-effectiveness and process evaluation of the In Balance fall prevention intervention. In Chapter 4, we explore the correlation between the Short Physical Performance Battery and wearable sensor-based gait quality and quantity measures as measures of functional status using baseline data from the In Balance study. Chapter 5 reports on the effectiveness trial outcomes of the In Balance intervention on falls and fall-related injuries among community-dwelling older adults at an increased risk of falls. Chapter 6 evaluates the cost-effectiveness of the In Balance intervention among community-dwelling older adults at an increased risk of falls. Chapter 7 includes a process evaluation among older adults, In Balance therapists and other stakeholders to identify how to optimize and further implement the In Balance intervention in the Netherlands. Finally, in Chapter 8 I will summarize, discuss, and interpret the main findings from Chapters 2 to 7, including implications and recommendations based on the results. The data for all chapters of this thesis (except Chapter 2) were collected from the In Balance randomized controlled trial conducted between 2021 and 2024 across various municipalities in the Netherlands. See Figure 1.2 for an overview of the municipalities that participated in the study and an indication of the number of participants from each municipality.

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