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nutrition

Brazilian Study of Cardiovascular Risks in Adolescents

Brazil, 2013 - 2014
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Reference ID
BRA_2014_ERICA_v01_EN_M_v01_A_OCS
Producer(s)
Federal University of Rio de Janeiro, Brazil
Collections
Nutrition
Metadata
Documentation in PDF DDI/XML JSON
Created on
Dec 07, 2021
Last modified
Dec 14, 2021
Page views
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  • Identification
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Data collection
  • Data Access
  • Disclaimer and copyrights
  • Contacts
  • Metadata production

    • Identification

    Survey ID number

    BRA_2014_ERICA_v01_EN_M_v01_A_OCS
    Title

    Brazilian Study of Cardiovascular Risks in Adolescents
    Country
    Name Country code
    Brazil BRA
    Study type

    Other Household Survey [hh/oth]
    Abstract

    To estimate the prevalence of cardiovascular risk factors, including those included in the definition of the metabolic syndrome, in a random sample of adolescents aged 12 to 17 years from public and private schools.
    Kind of Data

    Sample survey data [ssd]
    Unit of Analysis

    Individuals

    Scope

    Notes

    The survey collected information on:

    • SUBJECTS: information on the participants such as age, sex and geographical location.
    • CONSUMPTION: information on all foods consumed by each participant in each survey day, including quantities and nutrient values. The population group covered in the survey was adolescents aged 12 to 17 years old.

    Coverage

    Geographic Coverage

    National coverage, both urban and rural areas.

    Producers and sponsors

    Primary investigators
    Name
    Federal University of Rio de Janeiro, Brazil

    Sampling

    Sampling Procedure

    The study population was stratified into 32 geographical strata (27 capitals and five sets with other municipalities in each macro-region of the country) and a sample of 1,251 schools was selected with probability proportional to size. In each school three combinations of shift (morning and afternoon) and grade were selected, and within each of these combinations, one class was selected. All eligible students in the selected classes were included in the study. The design sampling weights were calculated by the product of the reciprocals of the inclusion probabilities in each sampling stage, and were later calibrated considering the projections of the numbers of adolescents enrolled in schools located in the geographical strata by sex and age. Levels of representativeness: Brazil, Brazilian Macrorregions, Brazilian State Capitals, Urban and Rural Location.
    Weighting

    The sample of ERICA is considered a complex sample, since it uses stratification, clustering and unequal probabilities in its selection stages. Unbiased (or at least approximately unbiased) point estimates of target population parameters may be calculated with the use of calibrated sampling weights by any statistical system that accepts weighting. The recommended sampling weight is the calibrated weight, but the design weight is included in the files to allow replication of the calibration process in case the survey library is used.

    Data collection

    Dates of Data Collection
    Start End
    2013 2014
    Data Collection Notes

    Primary dietary assessment method: 24-hour recall, covering both week days and weekends. A second recall was collected after an average of 7-10 days for 5038 subjects. Secondary dietary assessment method: Screeners about fish, diet or light foods, alcohol intake, in order to have more details about the intake of those food groups.

    Data Access

    Confidentiality
    Is signing of a confidentiality declaration required? Confidentiality declaration text
    yes The users shall not take any action with the purpose of identifying any individual entity (i.e. person, household, enterprise, etc.) in the micro dataset(s). If such a disclosure is made inadvertently, no use will be made of the information, and it will be reported immediately to FAO
    Access conditions

    Micro datasets disseminated by FAO shall only be allowed for research and statistical purposes. Any user which requests access working for a commercial company will not be granted access to any micro dataset regardless of their specified purpose. Users requesting access to any datasets must agree to the following minimal conditions:

    • The micro dataset will only be used for statistical and/or research purposes;
    • Any results derived from the micro dataset will be used solely for reporting aggregated information, and not for any specific individual entities or data subjects;
    • The users shall not take any action with the purpose of identifying any individual entity (i.e. person, household, enterprise, etc.) in the micro dataset(s). If such a disclosure is made inadvertently, no use will be made of the information, and it will be reported immediately to FAO;
    • The micro dataset cannot be re-disseminated by users or shared with anyone other than the individuals that are granted access to the micro dataset by FAO.
    Citation requirements

    Estudo de Riscos Cardiovasculares em Adolescentes (Erica), 2013-2014 - IESC-UFRJ. Harmonized for the Global Dietary Database.

    Disclaimer and copyrights

    Disclaimer

    The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses

    Contacts

    Contacts
    Affiliation Email
    FAO [email protected]

    Metadata production

    DDI Document ID

    DDI_BRA_2014_ERICA_v01_EN_M_v01_A_OCS_FAO
    Producers
    Name Affiliation Role
    Office of Chief Statistician Food and Agriculture Organization Metadata adapted for FAM

    Metadata version

    DDI Document version

    BRA_2014_ERICA_v01_EN_M_v01_A_OCS_v01
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