Research Article
Lesson Learned from the Emergence of Influenza Pandemic H1N1 in 2009 in Indonesia: The Importance of Influenza-Like Illness (ILI) Surveillance
Table 4
Risk factor of influenza H1N1pdm09 infection.
| | Flu A () | Flu A | OR (95% CI) | value | | Flu A other subtype | H1N1pdm09 () |
| | Gender | | | | | | | Male | 190 | 78 (41.05) | 112 (58.95) | Reference group | | | Female | 169 | 94 (55.62) | 75 (44.38) | 0.58 (0.37–0.90) | 0.016 | | Age group | | | | | | | 0–4 y.o | 58 | 40 (68.97) | 18 (31.03) | Reference group | | | 5–14 y.o | 186 | 84 (45.16) | 102 (54.84) | 2.84 (1.50–5.35) | 0.016 | | 15–24 y.o | 62 | 15 (24.19) | 47 (75.81) | 6.70 (2.98–15.07) | 0.001 | | ≥25 y.o | 53 | 33 (62.26) | 187 (52.09) | 1.41 (0.63–3.12) | 3.393 |
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