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Table 2 Usability score on a 5-point scale by item (N = 32)

From: The development of a web-based app employing machine learning for delirium prevention in long-term care facilities in South Korea

Item

Mean ± SD

A personal smartphone is convenient to use the app

4.13 ± 0.87

Wi-Fi is convenient when using the app

4.19 ± 0.86

Personal data are more convenient than public Wi-Fi when using the app

3.62 ± 1.21

The app is easy to use

3.41 ± 0.98

The app is unnecessarily complex

3.06 ± 1.05

I think most people will learn how to use the app very quickly

3.47 ± 0.95

I felt very confident in using the app

3.28 ± 0.77

A lot of learning is required before using the app

2.66 ± 0.83

I would use using the app when caring for a delirium patient

3.91 ± 0.93