Table 2.
Characteristics of 150 HCW enrolled in ILI and confirmed influenza surveillance at Edouard Herriot Hospital, Lyon, 2004–2009
| November 15 to April 15 (2004–2007) |
January 1 to April 15 (2008–2008) |
|||||
|---|---|---|---|---|---|---|
| 2004–2005 | 2005–2006 | 2006–2007 | 2007–2008 | 2008–2009 | ||
| Variables | n = 19 (%a) | n = 37 (%a) | n = 37 (%a) | n = 24 (%a) | n = 33 (%a) | Total n = 150(%a) |
| Gender | ||||||
| Male | 3 (15.8) | 4 (10.8) | 6 (15.0) | 2 (8.3) | 5 (15.2) | 20 (13.3) |
| Women | 16 (84.2) | 33 (89.2) | 31 (83.8) | 22 (91.7) | 28(84.8) | 130 (86.7) |
| Age (years) median (min-max) | 42(23–58) | 39 (21–58) | 33 (18–52) | 35.5 (21–54) | 37 (27–58) | 38 (18–58) |
| Vaccinated | 8 (42.1) | 14 (37.8) | 3 (7.5) | 7 (29.2) | 10 (30.3) | 42 (28.0) |
| Underlying disease | 5 (26.3) | 11 (29.7) | 6 (16.2) | 5 (20.8) | 7 (21.2) | 34 (22.7) |
| Tobacco use | 2 (10.5) | 10 (73.0) | 18 (48.6) | 8 (33.3) | 7 (21.2) | 45 (30.0) |
| Number of wards surveyed (n) | 13 | 29 | 32 | 7 | 7 | - |
a
Unless stated otherwise.