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An assessment, and reproducibility of food frequency data provided by hospital controls.

Abstract

In order to assess the comparability and reproducibility of information from a questionnaire used in a case-control study on digestive tract cancers conducted in Italy, a total of 400 subjects were randomly selected from a large sample of hospital controls and contacted at home to repeat the interview. Of these, 294 (73%) subjects were re-interviewed. Mean values of intake were computed for the 400 subjects selected, and among the 294 responders for the first and second interview. These values were comparable, most of them being within a 10% range. Spectrum correlation coefficient (rs) values of consumption between the first and second interview were > 0.65 for consumption of pastries, pasta or rice, bread, fish, milk, green vegetables, eggs and apples; between 0.50 and 0.65 for meat, chicken, liver, ham, cold cuts, cheese, fruit, cabbage, carrots, tomatoes, peppers, salad, citrus fruit and melon; and lower than 0.50 for a few infrequently eaten foods. For all foods, the estimated average weekly intake in the second interview increased consistently and substantially with increasing tertile of the first interview. This study shows a satisfactory comparability of dietary information from subjects interviewed at home with that provided during their original interview in the hospital, and a good reproducibility of information collected in the two settings.

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  • Authors+Show Affiliations

    ,

    Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy.

    , , ,

    Source

    MeSH

    Case-Control Studies
    Food
    Gastrointestinal Neoplasms
    Humans
    Italy
    Nutrition Surveys
    Reproducibility of Results
    Risk Factors

    Pub Type(s)

    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    9306076

    Citation

    D'Avanzo, B, et al. "An Assessment, and Reproducibility of Food Frequency Data Provided By Hospital Controls." European Journal of Cancer Prevention : the Official Journal of the European Cancer Prevention Organisation (ECP), vol. 6, no. 3, 1997, pp. 288-93.
    D'Avanzo B, La Vecchia C, Katsouyanni K, et al. An assessment, and reproducibility of food frequency data provided by hospital controls. Eur J Cancer Prev. 1997;6(3):288-93.
    D'Avanzo, B., La Vecchia, C., Katsouyanni, K., Negri, E., & Trichopoulos, D. (1997). An assessment, and reproducibility of food frequency data provided by hospital controls. European Journal of Cancer Prevention : the Official Journal of the European Cancer Prevention Organisation (ECP), 6(3), pp. 288-93.
    D'Avanzo B, et al. An Assessment, and Reproducibility of Food Frequency Data Provided By Hospital Controls. Eur J Cancer Prev. 1997;6(3):288-93. PubMed PMID: 9306076.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - An assessment, and reproducibility of food frequency data provided by hospital controls. AU - D'Avanzo,B, AU - La Vecchia,C, AU - Katsouyanni,K, AU - Negri,E, AU - Trichopoulos,D, PY - 1997/6/1/pubmed PY - 1997/10/23/medline PY - 1997/6/1/entrez SP - 288 EP - 93 JF - European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP) JO - Eur. J. Cancer Prev. VL - 6 IS - 3 N2 - In order to assess the comparability and reproducibility of information from a questionnaire used in a case-control study on digestive tract cancers conducted in Italy, a total of 400 subjects were randomly selected from a large sample of hospital controls and contacted at home to repeat the interview. Of these, 294 (73%) subjects were re-interviewed. Mean values of intake were computed for the 400 subjects selected, and among the 294 responders for the first and second interview. These values were comparable, most of them being within a 10% range. Spectrum correlation coefficient (rs) values of consumption between the first and second interview were > 0.65 for consumption of pastries, pasta or rice, bread, fish, milk, green vegetables, eggs and apples; between 0.50 and 0.65 for meat, chicken, liver, ham, cold cuts, cheese, fruit, cabbage, carrots, tomatoes, peppers, salad, citrus fruit and melon; and lower than 0.50 for a few infrequently eaten foods. For all foods, the estimated average weekly intake in the second interview increased consistently and substantially with increasing tertile of the first interview. This study shows a satisfactory comparability of dietary information from subjects interviewed at home with that provided during their original interview in the hospital, and a good reproducibility of information collected in the two settings. SN - 0959-8278 UR - https://www.unboundmedicine.com/medline/citation/9306076/An_assessment_and_reproducibility_of_food_frequency_data_provided_by_hospital_controls_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=9306076.ui DB - PRIME DP - Unbound Medicine ER -