Validity of self-reported influenza vaccination in HCW compared to occupational health medical records (2007–2009).

<p>CI, Confidence Interval; PPV, Positive Predictive Value, NPV, Negative Predictive Value; Sn, Sensitivity; Sp, Specificity. NVD/D, Percentage of not vaccinated HCW who reported being vaccinated (NVD) over total discordant cases (D).</p><p>p<0.05, McNemar test.</p

Flow chart for randomized HCW, participants, and subjects included in the study.

<p>Flow chart for randomized HCW, participants, and subjects included in the study.</p

Characteristics of health care workers included in the study.

<p>Characteristics of health care workers included in the study.</p

Data of published studies comparing self-reported influenza vaccination in high-risk population.

<p>CI, Confidence Interval; PPV, Positive Predictive Value; NPV, Negative Predictive Value; Sn, Sensitivity; Sp, Specificity. NVD/D, Percentage of not vaccinated subjects who reported being vaccinated (NVD) over total discordant cases (D).</p><p>p<0.05, McNemar test.</p