Dementia and road traffic accidents among non-institutionalized older people in Denmark: A Danish register-based nested case-control study

We used register-based data to estimate the effect of all-type dementia on road traffic accidents (RTAs) risk, combined with comorbidities or sedative medicines, among non-institutionalized older people in Denmark.The source population was all residents in Denmark aged 65 years and older, alive as of January 1, 2008 ( n = 853,228). Cases were those who had any type of RTA in 2009-2014. Each case was matched for age, sex and geographic location...