“…Thirdly, there are some similarities and differences in mHealth usage between different age groups. For example, perceived usefulness, subjective norm, perceived value, and perceived behavior control are the common influencing factors for both elderly and young mHealth product users [ 1 , 8 , 10 , 35 , 36 ]. Meanwhile, there are some differences between elderly and young users in some aspects, such as privacy issues [ 32 ], and technology anxiety [ 1 , 6 , 8 ].…”