Variable | Univariate OR (95% CI) N = 868 | Multivariate OR (95% CI) N = 868 | Final Model OR (95% CI) N = 868 |
---|---|---|---|
Gender | 1.05 (0.71 - 1.56) | 1.10 (0.69 - 1.76) | 1.11 (0.70 - 1.75) |
Age (yrs) | 1.05 (1.03 - 1.06) | 1.03 (1.01 - 1.04) | 1.03 (1.01 - 1.04) |
Nationality | 0.98 (0.92 - 1.04) | ||
Educational level | 0.97 (0.68 - 1.38) | ||
Travel continent | 0.95 (0.76 - 1.20) | ||
Destination by N vs. S hemisphere | 1.49 (1.01 - 2.19) | 1.47 (0.93 - 2.35) | |
Duration of stay (d) | 0.74 (0.59 - 0.93) | 0.74 (0.56 - 0.99) | 0.78 (0.59 - 1.03) |
Perceived risk of influenza at destination | 0.74 (0.54 - 1.03) | 0.85 (0.52 - 1.26) | |
Travel health advice by: | |||
family doctor | 2.05 (1.25 - 3.36) | 1.50 (0.78 - 2.89) | |
travel clinic | 1.25 (0.84 - 1.86) | ||
internet | 0.73 (0.48 - 1.09) | 0.79 (0.46 - 1.34) | |
travel agency | 0.57 (0.24 - 1.34) | ||
family or friends | 0.85 (0.41 - 1.75) | ||
No advice | 0.67 (0.41 - 1.09) | 0.78 (0.42 - 1.46) | |
Travel purpose: | |||
holidays | 1.27 (0.76 - 2.12) | ||
business | 0.57 (0.27 - 1.21) | 0.40 (0.17 - 0.97) | 0.39 (0.17 - 0.92) |
VFR* | 1.12 (0.64 - 1.99) | ||
education | 0.58 (0.23 - 1.47) | ||
others | 0.42 (0.10 - 1.80) | ||
Travel expenses | 1.35 (1.08 - 1.69) | 1.14 (0.84 - 1.56) | |
Previous seasonal influenza vaccination | 14.39 (9.18 - 22.58) | 12.42 (7.71 - 20.01) | 12.91 (8.09 - 20.58) |