Adherence to mHealth and Paper-Based Versions of Lifestyle-Integrated Functional Exercise: A Secondary Analysis of Data From the PreventIT Feasibility Randomized Controlled Trial.

The European Commission Horizon 2020 project-PreventIT-evaluated two approaches to delivering Lifestyle-Integrated Functional Exercise (LiFE) programs for maintaining older adults' physical function: the paper-based adapted LiFE and mobile health device delivered enhanced LiFE. A self-reported method was used to measure users' monthly adherence over 12 months. This analysis aimed to explore young seniors' adherence patterns between enhanced LiFE and adapted LiFE groups. Results showed that adherence level decreased with time in both groups. The enhanced LiFE group had slightly higher adherence than the adapted LiFE group during most of the 12 months. However, the overall adherence levels were not significantly different during either intervention or follow-up periods. Monthly self-reported adherence measurement can help to understand users' adherence comprehensively. The comparable adherence levels between both groups indicate mobile health could be an alternative to delivering home-based physical activity for young seniors. However, this feasibility study was not powered to detect differences between groups.