Asthma-like symptoms Respiratory Asthma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The Generation R cohort includes 9778 mothers and their children. Of the 9778 women who enrolled in pregnancy, 7893 children participated in the post-natal cohort. The study population of this trial consists of all 7893 children who will be invited for a preventive health check by the 16 participating Child Health Centres in Rotterdam at age 14, 24, 36 and 45 months.
Exclusion criteria
Exclusion criteria: Children not participating the Generation R study who visit the 16 participating Child Health Centres in Rotterdam.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Frequency of asthma-like symptoms-questionnaire (last 4 weeks/12 months): International study of asthma and allergies in childhood/prevention and incidence of asthma and mite allergy (ISAAC/PIAMA) (wheezing, snoring breath, shortness of breath or dyspnoea) 2. Generic health-related quality of life of the child (last 4 weeks): Health Utilities Index 2/3; Child Health Questionnaire-Infant/Toddler Follow-up: 1. Multi-RAST/Phadiatop-test (blood samples by Generation R): as indicator of allergic sensitisation 2. Micro-Rint: lung function 3. Exhaled nitric oxide (NO): asthmatic airway inflammation Timepoints of measurement: Age 14 months: preventive health check (June 2003 - June 2007) Age 24 months: preventive health check (June 2004 - June 2008) Age 36 months: preventive health check (June 2005 - June 2009) Age 45 months: preventive health check (June 2006 - June 2010) Age 5 years: follow-up measurements (November 2008 - November 2012) In the future, within Generation R, outcomes at older ages, even into adulthood, may be measured. | — |
Secondary
| Measure | Time frame |
|---|---|
| Doctor diagnosed asthma - (question to parent(s): has a doctor ever diagnosed asthma in your child?) Data on covariates will be gathered via procedures within the Generation R study from pharmacists, general practitioners, hospitals and questionnaires from parents, given informed consent. | — |
Countries
Netherlands