The effect of smartphones on the self-rated health levels of the elderly.

Background: Due to the penetration of Internet use and the popularity of "Internet + elderly care" among seniors in recent years, the elderly are gradually integrating into the information society. This study examined the impact of smartphones on the self-rated health levels of the elderly.

Methods: We studied 3042 elderly people over 55 years of age in Jiangxi, China in 2018.