Abstract
This study examined the relationship between the behavioral activation system (BAS) and fall risk awareness among Korean older adults, focusing on the mediating roles of optimistic bias and risk-taking. Data from 280 participants aged 60–84 were collected via an online survey. Using PROCESS Macro 3.5 Model 6, results showed that BAS positively correlated with optimistic bias, risk-taking, and fall risk awareness. However, optimistic bias and risk-taking were not directly correlated with fall risk awareness. A double mediation effect was observed, where optimistic bias and risk-taking sequentially mediated the BAS-fall risk awareness link. While BAS generally increased fall risk awareness, its influence became negative when mediated through optimistic bias and risk-taking. These findings suggest BAS affects fall risk awareness in complex ways, sometimes leading to lower awareness due to overconfidence and risk-taking behaviors.
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