Volume 14, Number 1—January 2008
Research
Human Metapneumovirus Infections in Children
Terho Heikkinen*
, Riikka Österback†, Ville Peltola*, Tuomas Jartti*, and Raija Vainionpää†
, Riikka Österback†, Ville Peltola*, Tuomas Jartti*, and Raija Vainionpää†Table 1
Baseline characteristics of 1,338 children at beginning of follow-up, Finland, 2000–2001
| Variable | No. children (%) |
|---|---|
| Age, y | |
| <1 | 30 (2.2) |
| 1–<2 | 219 (16.4) |
| 2–<4 | 362 (27.1) |
| 4–<6 | 247 (18.5) |
| 6–<9 | 232 (17.3) |
| 9–12 | 248 (18.5) |
| Sex | |
| Male | 692 (51.7) |
| Female | 646 (48.3) |
| Child care | |
| Home or family daycare | 261 (19.5) |
| Daycare center | 658 (49.2) |
| School | 419 (31.3) |
| Diagnosis of asthma | 72 (5.4) |
| Previous wheezing | 253 (18.9) |
| Exposure to tobacco smoke | 512 (39.1)* |
*Information available for 1,310 children.
