Impact of driver licensing renewal policies on older driver crash involvement and injury rates in 13 states, 2000–2019

Table 1 Distribution of crash and driver characteristics, 13 states, 2000–2019

Variable	Level	N = 19,010,179	%
Driver age	40–54	10,325,239	54.3
	55–64	4,795,974	25.2
	65–74	2,402,936	12.6
	75 +	1,486,030	7.8
Crash year	2000–2005	3,149,762	16.6
	2006–2010	5,482,820	28.8
	2011–2015	5,526,773	29.1
	2016–2019	4,850,824	25.5
State blood alcohol limit	> 0.08	1,295,106	6.8
State blood alcohol limit	< = 0.08	17,715,073	93.2
Unemployment rate	< = 4.4%	5,386,292	28.3
Unemployment rate	> 4.4%	13,623,887	71.7
Driver sex	Male	10,427,948	58.3
	Female	7,472,236	41.7
	Missing	1,109,995	-
Driver injury severity	No injury	14,556,111	85.1
	Possible injury	1,309,568	7.7
	Minor injury	936,604	5.5
	Serious injury	267,605	1.6
	Fatal	40,367	0.2
	Missing	1,899,924*	-

*Injury severity was not present in the Wisconsin crash data provided (n = 1,441,507, 75.9% of missing data)

ISSN: 2197-1714