Table 3. Demographic profiles of individuals identified with Pandemic (H1N1) 2009 with travel histories confirmed by community containment measures (n = 141).
| Patients (n) | % | |
| Sex | ||
| Male | 65 | 46.1 |
| Female | 76 | 53.9 |
| Age group (years) | ||
| 0–9 | 29 | 20.6 |
| 10–19 | 24 | 17.0 |
| 20–29 | 38 | 27.0 |
| 30–39 | 28 | 19.9 |
| 40–49 | 9 | 6.4 |
| 50–59 | 9 | 6.4 |
| ≥60 | 4 | 2.8 |
| Country visited within 7 days of developing symptoms | ||
| Mainland U.S. | 68 | 48.2 |
| Hawaii | 37 | 26.2 |
| Philippines | 23 | 16.3 |
| Canada | 5 | 3.5 |
| Australia | 4 | 2.8 |
| Hong Kong | 1 | 0.7 |
| China | 1 | 0.7 |
| Brazil | 1 | 0.7 |
| Thailand | 1 | 0.7 |
| Days from arrival to onset* | ||
| −4 | 2 | 1.4 |
| −3 | 3 | 2.1 |
| −2 | 2 | 1.4 |
| −1 | 4 | 2.8 |
| 0 | 32 (13**) | 22.7 |
| 1 | 36 | 25.5 |
| 2 | 24 | 17.0 |
| 3 | 25 | 17.7 |
| 4 | 8 | 5.7 |
| 5 | 4 | 2.8 |
| 6 | 1 | 0.7 |
*Days from arrival to onset is expressed as 0 for the day of arrival, as minus number of days for previous days, and as plus number of days for following days.
**Number of symptomatic individuals upon entry.