Table 2 Description of the study population at 3 years (n = 251)
Statistic | |
|---|---|
Individual characteristics | |
Sex, male | 115 (54.2) |
Age (months) | 37.4 ± 3.3 |
Height (cm) | 95.5 ± 3.6 |
Weight (kg) | 14.7 ± 1.6 |
Exposure to tobacco smoke | 56 (22.5) |
Parental education level, graduate level | 185 (73.7) |
Breastfed at 2 months | 221 (88.4) |
Birth weight, g | 3352.5 ± 413 |
Gestation ≤ 37 wks | 20 (8.0) |
Parental history of asthma | 64 (27.8) |
Child history of respiratory diseases | |
Doctor diagnosed asthma ever | 30 (12.0) |
Wheezing ever | 84 (33.6) |
Bronchiolitis* | 91 (37.8) |
Bronchitis ever | 53 (21.1) |
Hospitalisation for respiratory problem | 24 (9.6) |
Allergic sensitization at the 3-year visit | |
≥ 1 positive skin prick test | 27 (11.7) |