Table 1 Characteristics of the study population, all children born in the period from January 1st, 2006, through October 1st, 2009, and resident in Norway as of October 1st, 2009a
Number | Number vaccinated (%) | Number with influenza diagnosis (%) | |
|---|---|---|---|
Total | 226,889 (100) | 113,068 (49.8) | 8172 (3.6) |
Sex | |||
Male | 116,460 (51.3) | 58,067 (49.9) | 4405 (3.8) |
Female | 110,429 (48. 7) | 55,001 (49.8) | 3767 (3.4) |
Year of birth | |||
2006 | 60,521 (26.7) | 33,238 (54.9) | 2489 (4.1) |
2007 | 59,833 (26.4) | 33,106 (55.3) | 2328 (3.9) |
2008 | 61,136 (27.0) | 32,330 (52.9) | 2423 (4.0) |
2009 | 45,399 (20.0) | 14,394 (31.7) | 932 (2.1) |