Table 2.

Measures of Driving Extent in Those Who Reduced Driving Area to Their Local Neighborhoods (n = 41) and Those Who Continued to Drive Beyond Their Neighborhoods (n = 1143)

Characteristic	Visit	Continued Driving	Driving Restricted to Neighborhood	Age- and Sex- Adjusted P*
5-Day odometer (miles)	Baseline	112.7 (103.2)	66.0 (86.5)
	One year	107.5 (94.9)	26.6 (32.1)
	Change	−5.8 (105.9)	−39.9 (95.6)	0.03, <0.0001
Max (North-South) GPS	Baseline	10.4 (13.1)	4.5 (4.2)
	One year	10.9 (12.4)	2.1 (2.6)
	Change	0.7 (14.8)	−2.0 (5.0)	0.22, <0.0001
Self-reported d/wk driving	Baseline	5.5 (1.7)	4.1 (2.1)
	One year	5.4 (1.8)	3.4 (2.4)
	Change	−0.1 (1.3)	−0.77 (2.3)	0.0005, <0.0001
Self reported miles/d	Baseline	24.9 (30.1)	15.2 (11.1)
	One year	22.8 (25.0)	10.2 (8.3)
	Change	−2.2 (29.5)	−4.4 (10.6)	0.61, <0.0001

Data are the mean (SD).

^*In bold, P after adjustment for baseline value.