Serological status according to diagnostic approach for people self-reporting having had influenza
| Method of diagnosis | n | % Seropositive* | 95% CI | p Value† |
| Adults (18+ years)‡ (n=108) | ||||
| Health professional | 37 | 27.1% | (7.9 to 46.3) | 0.392 |
| Self-diagnosis | 61 | 17.7% | (5.3 to 30.1) | |
| Children (<18 years)§ (n=86) | ||||
| Health professional | 43 | 39.7% | (18.4 to 61.1) | 0.332 |
| Self-diagnosis | 34 | 25.2% | (4.5 to 45.9) | |
| Healthcare workers¶ (n=94) | ||||
| Health professional | 25 | 40.0% | (21.1 to 61.3) | 0.356 |
| Self-diagnosis | 67 | 29.9% | (19.3 to 42.3) | |
↵* Weighted percentage.
↵† The p value for healthcare workers is from Pearson's χ2 test; p values for adults and children are from the Rao-Scott χ2 test.
↵‡ 10 Adults from a community sample were missing information on the pathway of diagnosis.
↵§ 9 Children were missing information on the pathway of diagnosis.
↵¶ 2 Healthcare workers were missing information on the pathway of diagnosis.