Table 8. Frequency of Travel to Paid and Volunteer Work Sites, 2006 v. 2007

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Work site Average days/week Percent working 95% CI for percent working
2006 Omnibus Household Survey      
Paid work 4.7 days 57.9 3.5% n=1,092
Volunteer work 2.4 days 19.5 4.1% n=504
2007 Omnibus Household Survey      
Paid work 4.8 days 57.7 3.5% n=1,015
Volunteer work 2.1 days 16.6 3.7% n=488

KEY: CI = Confidence interval.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Surveys, November 2006 and 2007.

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