Toward Proactive Support for Older Adults

Abstract

Peer support is a powerful tool in improving the digital literacy of older adults. However, while existing literature investigated reactive support, this paper examines proactive support for mobile safety. To predict moments that users need support, we conducted a user study to measure the severity of mobile scenarios (n=300) and users' attitudes toward receiving support in a specific interaction around safety on a mobile device (n=150). We compared classification methods and showed that the random forest method produces better performance than other regression models. We show that user anxiety, openness to social support, self-efficacy, and security awareness are important factors to predict willingness to receive support. We also explore various age variations in the training sample on moments users need support prediction. We find that training on the youngest population produces inferior results for older adults, and training on the aging population produces poor outcomes for young adults. We illustrate that the composition of age can affect how the sample impacts model performance. We conclude the paper by discussing how our findings can be used to design feasible proactive support applications to provide support at the right moment.

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