Study variables | Origin of the data | |
---|---|---|
Previous baseline surveys and follow-up | Present survey 2005–20061 | |
Demographic and socio-economic | ||
Sex | X | |
Birth date | X | X |
Race/skin color | X | |
On socio-economic condition: | ||
• parental schooling | X | X |
• domestic goods | X | X |
Environmental factors | ||
Sanitation and water supply | X | X |
Presence of pets | X | |
Indoor smoking | X | |
Housing (e.g., floor, number of rooms) | X | X |
Presence of allergens in dust (mites and cockroach) | X | |
Presence of endotoxin and mould in the house | X | |
Whether the house is located in an area of intense car traffic | X | |
Psycho-social factors | ||
domestic violence | X | |
Experience of discrimination | X | |
Resilience | X | |
Maternal and family related factors | ||
Maternal smoking during pregnancy | X | X |
Asthma and other allergic diseases in the family | X | |
Number of pregnancies | X | X |
Child health | ||
Prenatal Care | X | X |
Weight at birth | X | |
Breast-feeding duration | X | X |
Vaccination (BCG, DTP, measles) | X | X |
Whether attended kindergarten | X | X |
Number of people who live in each household | X | |
Nutritional status | X | X |
Global health status, as evaluated by the guardian | X | |
Diarrhoea longitudinal prevalence | X | |
Cough longitudinal prevalence | X | |
Short of breath longitudinal prevalence | X | |
Fever longitudinal prevalence | X | |
Other infections (pneumonia, otites, causes for hospitalisations) | X | X |
Use of antibiotics | X | X |
Specific Infections | ||
Intestinal helminth and parasitic infections (stool examinations) | X | X |
Serologic test to A. lumbricoides, T. trichura, Toxopalsma. gondii, Toxocara canis, hepatitis A and other virus | X | |
Atopy | ||
Skin prick test | X | |
Total and specific IgE titres to most important allergens | X | |
Antibody to mites and cockroach | X | |
Immunological makers | ||
IL-10, IL-13, TGF-β, IFN-Gamma | X |