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Percentage of children aged 9 to 13 years aware of VERB when first asked about the campaign: Youth Media Campaign Longitudinal Survey, 2003 (cohort 1), 2004 (cohort 2), and 2006 (cohort 3).
Note. Numbers in parentheses are 95% confidence intervals. Analysis of variance with α less than .05 is indicated by b > a, c > d, and g > f >e. The 2003 awareness level that was unadjusted for understanding was previously reported to be 74%.
