Risk Factors Influencing the Severity of Cognitive Decline in Elderly Taxi Drivers Over 65 Years of Age: Applying a Zero-Inflated Negative Binomial Regression Model - Ok, Jong Sun; Kim, Hyeongsu; Kang, Kyonghwa; Myong, Jun-Pyo; Heo, Jae-Hyeok (Iranian Journal of Public Health, 2023)