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    Home / Central Data Catalog / 10.16909-DATASET-33
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Swiss Health Study – pilot phase (SHeS-pilot)

Switzerland, 2020 - 2021
BOCHUD, Murielle, ZWAHLEN, Marcel
Created on July 19, 2022 Last modified July 19, 2022 Page views 5595 Download 2319 Documentation in PDF Metadata DDI/XML JSON
  • Study description
  • Documentation
  • Data Description
  • Get Microdata
  • Identification
  • Version
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Data Collection
  • Questionnaires
  • Data Processing
  • Access policy
  • Disclaimer and copyrights
  • Metadata production

Identification

Survey ID Number
10.16909-dataset-33
Title
Swiss Health Study – pilot phase (SHeS-pilot)
Translated Title
Etude Suisse sur la santé – phase pilote, Schweizer Gesundheitsstudie – Pilotphase
Country
Name Country code
Switzerland CHE
Abstract
The pilot phase of the Swiss Health Study (SHeS-pilot) is a cross-sectional study on adults of both sexes and age 20-69. The study encompasses human biomonitoring HBM (spot urine and venous blood), health exams (e.g. blood pressure, anthropometry, accelerometry, lung function) and accompanying questionnaires on health status, exposure, attitude regarding health research, coronavirus and the WHO-quality of life questionnaire. Questionnaires were mostly answered online; HBM-samples were drawn in a study center, where also the health exams took place.

Data/samples are available for four different types of populations:
R - Random sample of participants from the general population of the Cantons of Vaud and Bern
C - Convenience sample of vegans/vegetarians from a substudy on selenium, in the Canton of Vaud
S - Spontaneous participants from all over Switzerland
W - Wave 0 participants from a random sample of the general population of the Cantons of Vaud and Bern that was used before the pandemic.

Reasoning for the separation of R and W: After the pandemic, due to the long break, a new random sample had to be drawn and a new questionnaire relating to the SARS-CoV-2 pandemic was included, that was not answered by Wave 0 participants that had already completed the study visit (31 participants). Some participants from Wave 0, however, came to the study visit when the study resumed and completed the SARS-Cov-2 questionnaire.

The following data categories are available:
1. Accompanying data
2. Self-administered questionnaires data
3. Health examination data
4. Analytical data associated with collected HBM samples (blood, urine)

They are subdivided into three main categories that are available as separate data packages:
1. Complete participation: Data/samples from participants who completed all steps of the study, including the study visit (data available: self-administered and interview questionnaire data, health exams and HBM-samples).
2. Partial participation: Data/samples from participants who completed the questionnaires but did not take part in the study visit (data available: self-administered questionnaire data)
3. Non-respondents: data from invited participants who refused to participate in the study but accepted to answer some general questions by phone instead.

Most spontaneous participants “S” only replied to the self-administered questionnaires, but 9 spontaneous participants participated in the study visit.
Kind of Data
Questionnaire data, biological samples (blood, spot urine), clinical chemistry in blood/urine, health exams (see data catalogue).
Unit of Analysis
Individuals.

Complete participation :
- Random sample : N= 638
- Convenience sample : N= 109*
- Spontaneous participants : N= 9
- Wave 0 : N= 48
- TOTAL : N = 789*

*15 participants are both R and C. If R and C are used together, these doubles have to be removed manually based on the unique identifier “did”.

Partial participation :
- Random sample : N= 168
- Convenience sample : N= 20
- Spontaneous participants : N= 351
- Wave 0 : N= 21
- TOTAL : N = 560

Version

Version Description
Version 1
Version Date
2022-07-01

Scope

Keywords
Keyword
Cross-sectional study
Multicentre
Environmental exposure
Nutrition
Health status
Exposure
Attitude regarding health research
Coronavirus
WHO-quality of life
Human biomonitoring HBM
Biobank
Biomarkers

Coverage

Geographic Coverage
Random sample, cantons of Vaud and Berne / convenience sample, canton of Vaud / spontaneous participation, Switzerland
Universe
general adult population (20-69)

Producers and sponsors

Primary investigators
Name Affiliation
BOCHUD, Murielle Center for Primary Care and Public Health (Unisanté)
ZWAHLEN, Marcel University of Bern
Producers
Name Affiliation Role
BOCHUD, Murielle Center for Primary Care and Public Health (Unisanté) Local supervision
TRELLE, Sven University of Bern Local coordination
Funding Agency/Sponsor
Name Abbreviation
Swiss Federal Office of Public Health FOPH
Swiss Federal Office for the Environment FOEN
Swiss Federal Food Safety and Veterinary Office FSVO
Other Identifications/Acknowledgments
Name Affiliation Role
SBP Swiss Biobanking Platform Quality management
Nicole Probst-Hensch Swiss TPH Support in study design

Sampling

Sampling Procedure
R: random sample
Random sampling based on registries.
Participants were invited to participate via a postal letter (and reminder letters when necessary). Unreached participants were further contacted by phone, if their number was available.*

C: Convenience sample
For a sub-study on selenium, we recruited people following a vegan/ vegetarian diet since at least one year. Participants were recruited via ads placed in vegan/vegetarian restaurants, fruit/vegetable box delivery services and by the snowball method.*

S: Spontaneous sample
Anyone interested in participating in the study was free to register via the study website. Spontaneous participants could answer all online questionnaires, but were normally not invited to the study visit and sample collection.

W: wave 0
Random sample based on registries from before the pandemic. Due to the long break, a new random sample had to be drawn for invitation waves 1-5 that form the sample R.


*Participants from the random sample following a vegetarian/vegan diet were flagged and invited to participate in the sub-study. For this reason, some participants are part of both R and C.

Data Collection

Dates of Data Collection
Start End
2020-02-01 2021-12-15
Data Collection Mode
Questionnaires:
- Before the study visit: self-administered online. Participants from the random sample could request a paper version of the questionnaires.
- During study visit: two additional questionnaires in the form of an interview with the study nurse.

Health data:
- During study visit: (handgrip test, blood pressure, anthropometry, bioimpedance analysis, spirometry, oxidative potential in exhaled air (OPEA), accelerometry, food intake via a mobile app, blood and urine clinical parameters)

Analytical data / Collection of biological samples:
- Collected during study visit: in study center, single sample, non-fasting. Venous blood (venipuncture: whole blood, plasma LiHep, plasma EDTA, buffy coat, serum), spot urine.

Questionnaires

Questionnaires
One time cross-sectional study.

Data Processing

Data Editing
Suppression of identifying variables, completion check of questionnaires data, correction of inconsistencies or data entry errors (using field validation information linked to variables).

Access policy

Access authority
Name Affiliation Email
Céline Racine (Repository administrator) Center for Primary Care and Public Health (Unisanté), University of Lausanne, Switzerland dfri.data@unisante.ch
Natalie von Götz Federal Office of Public Health schweizer-gesundheitsstudie@bag.admin.ch
Access conditions
Data/samples can be requested by projects in the public domain (e.g. universities, FH, federal or cantonal entities) that have ethical approval of a Swiss Ethics Committee and serve a public interest. In case a confirmation of data/sample availability is needed for ethical approval, a pre-evaluation of the request is possible.
The data will only be sent after a data transfer agreement has been signed between the Applicant and the Federal Office of Public Health (FOPH). The data requested has to match the described purpose of the study: only the data necessary for achieving the goals of the study will be delivered. The data has to be deleted after the end of the study. The respective publications and/or reports have to be sent to the FOPH point of contact (more information in the “How to request data/samples from the Swiss Health Study Pilot phase” document under the tab “Documentation”).
FEES: The data packages are available at a fee of 100 CHF per request.
Citation requirements
Swiss Health Study – pilot phase, Data and human biomonitoring samples of Swiss healthy adults from the cantons of Waadt and Berne, 2018-2021, https://www.schweizer-gesundheitsstudie.ch

Disclaimer and copyrights

Copyright
© 2022, Federal Office of Public Health, Switzerland and Center for Primary Care and Public Health (Unisanté), Switzerland

Metadata production

Producers
Name Abbreviation
Center for Primary Care and Public Health (Unisanté), University of Lausanne, Switzerland Unisante
DDI Document version
Version 1.0 (01.07.2022)
Center for Primary Care and Public Health (Unisanté), University of Lausanne, Switzerland
Route de Berne 113
1010 Lausanne
Switzerland
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