Volume 15, Number 3—March 2009
Research
Prevalence and Seasonality of Influenza-like Illness in Children, Nicaragua, 2005–2007
Aubree Gordon, Oscar Ortega, Guillermina Kuan, Arthur Reingold, Saira Saborio, Angel Balmaseda, and Eva Harris
Table 1
Baseline characteristics of cohort of children 2–11 years of age, Managua, Nicaragua, 2005–2007
| Characteristic | All cohort participants, no. (%), n = 4,276 | Participants who completed household survey, no. (%), n = 2,615 | p value* |
|---|---|---|---|
| Sex | 0.731 | ||
| F | 2,114 (49.4) | 1,304 (49.9) | |
| M |
2,162 (50.6) |
1,311(50.1) |
|
| Age, y | <0.001 | ||
| 2 | 755 (17.7) | 566 (21.6) | |
| 3 | 473 (11.0) | 330 (12.6) | |
| 4 | 539 (12.6) | 348 (13.3) | |
| 5 | 504 (11.8) | 317 (12.1) | |
| 6 | 453 (10.6) | 253 (9.7) | |
| 7 | 462 (10.8) | 263 (10.1) | |
| 8 | 460 (10.8) | 227 (8.7) | |
| 9 | 413 (9.7) | 207 (7.9) | |
| 10 |
217 (5.1) |
104 (4.0) |
|
| Asthma | 0.001 | ||
| Yes | 259 (6.1) | 213 (8.1) | |
| No | 4,276 (94.0) | 2,402 (91.8) |
*Determined by χ2 test.
