Fig. 2
The interaction between social support on health literacy according to smartphone ownership. Note. The figure illustrates the conditional effects of smartphone ownership on frailty at various values of social support. The X-axis represents scores of social support, while the Y-axis indicates health literacy scores. Social support is represented as a mean-centered score. As the solid line displays, an increased health literacy is observed with the risk in social support among smartphone owners, potentially leading to an increased indirect effect of smartphone ownership on frailty.