PARSIFAL - measurements and tests

SND-ID: ext0040-2.

Access to data via


Göran Pershagen

Creator/Principal investigator(s)

Göran Pershagen - Karolinska Institutet, Institute of Environmental Medicine

Research principal

Karolinska Institutet - Institute of Environmental Medicine rorId


The international project PARSIFAL (Prevention of Allergy - Risk factors for Sensitization In children related to Farming and Anthroposophic life Style) Is directed from the Institute of environmental medicine at the Karolinska institute, and consists of children from the Netherlands, Switzerland, Sweden, Germany and Austria. Participants were primary selected from schools in rural areas, attending anthroposophic schools or living on farms. Children not living on farms and attending other schools were selected as references. The study design has been described in detail (Alfvén et al 2006). A total of 14,893 children, age 5-13 years participated. The parents answered a questionnaire providing information regarding homeenvironment, food, medical history and socioeconomi. Exposure and lifestyle factors related to the agricultural environment and anthroposophi was focused on.


The purpose of PARSIFAL is to study protective factors for allergy development in children raised at farms or in anthroposophic environments.
Method and outcome

Unit of analysis



Time Method

Sampling procedure

Time period(s) investigated

2000 – 2004

Number of individuals/objects


Response rate/participation rate


Data format / data structure

Data collection
  • Mode of collection: Physical measurements and tests
  • Time period(s) for data collection: 2000-10 – 2002-05
  • Source of the data: Population group, Biological samples
Geographic coverage

Geographic spread

Geographic location: Sweden, Netherlands, Switzerland, Austria

Geographic description: Regioner i Nederländerna, Schweiz, Sverige och Östrrike

Administrative information

Responsible department/unit

Institute of Environmental Medicine


  • Funding agency: European Union
Topic and keywords

Alfvén T, Braun-Fahrländer C, Brunekreef B, von Mutius E, Riedler J, Scheynius A, van Hage-Hamsten M, Wickman M, Benz MR, Budde J, Michels KM, Schram D, Üblagger E, Waser M, Pershagen G, and the PARSIFAL study group. Allergic diseases and atopic sensitisation in children related for farming and anthroposophic lifestyle - The PARSIFAL study , Allergy 61:414-21

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