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Table 12. Confidence in Screeners to Keep Air Travel Secure, 2006 v. 2007

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  2006 percent 95% CI
(n=1,020)		 2007 percent 95% CI
(n=951)
Total confidence 8.0 ± 2.2% 6.4 ± 1.8%
Great deal of confidence 20.0 ± 3.1% 17.4 ± 2.9%
Moderate confidence 46.1 ± 3.7% 44.6 ± 3.7%
Small amount of confidence 17.6 ± 2.7% 24.7 ± 3.3%
No confidence 8.3 ± 2.2% 6.9 ± 2.0%

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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