Associations of categories of the Extended Parallel Process Model with attitudes and beliefs regarding a pandemic influenza emergency (adjusted for demographic characteristics).

aThe odd ratios compares this category to the Low Threat/Low Efficacy category as the Reference. bThe number of participants included in the analysis for each question was approximately 1600. cThe Odds Ratio and 95%CI could not be calculated with adjustments for the demographic characteristics because all responses were positive. This odds ratio and CI indicate that the odds of a positive response to the attitude/belief is exceedingly greater for the High Threat/High Efficacy group than for the Low Threat/Low Efficacy group.