Table 1

Participant characteristics

Asthma* (n=70)Controls* (n=70)p Value
Gender
 Male43 (61.4%)39 (55.7%)0.49
Age (years)11.3 (±2.3)†11.3 (±2.3)†0.95
 Non-Caucasian origin6 (8.6%)2 (2.9%)0.54
 Only child4 (5.7%)2 (2.9%)0.404
 Divorced parents10 (14.3%)16 (22.9%)0.28
Level of education father
 Low21 (30.0%)13 (18.6%)0.28
 Moderate32 (45.7%)36 (51.4%)
 High17 (24.3%)21 (30.0%)
Level of education mother
 Low40 (57.1%)28 (40.0%)0.09
 Moderate20 (28.6%)32 (45.7%)0.50
 High10 (14.3%)10 (14.3%)
Smoking parents
 No smoking49 (70.0%)52 (74.3%)
 Smoking outside the house15 (21.4%)10 (14.3%)
 Smoking inside the house6 (8.6%)8 (11.4%)
Duration of asthma (years)8.0 (3.5)
Asthma exacerbations‡16 (22.9%)
Allergy62 (88.6%)
ACQ-score0.95 (0.55)†
FEV1%pred97.9 (9.7)†
  • *Data in numbers (%).

  • †Data as means (± SEM).

  • ‡Number (%) of patients with an exacerbation requiring hospital admission or oral prednisolone in the past year.

  • ACQ, asthma control questionnaire; FEV1%pred, forced expiratory volume in the first second of expiration, expressed as percentage of the reference value.