{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T18:41:00Z","timestamp":1790707260972,"version":"4.1.0"},"reference-count":34,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,3,30]],"date-time":"2021-03-30T00:00:00Z","timestamp":1617062400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003970","name":"Isfahan University of Medical Sciences","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003970","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Nutrition &amp;amp; Dietetics"],"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To validate a semi\u2010quantitative food frequency questionnaire (SFFQ) and assess the dietary intake of Iranian adults.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This study was conducted among 113 healthy adults in Iran. We administered twelve 24\u2010hour dietary recalls (24DRs) during a year as a reference method. The 165\u2010item SFFQ was administered twice, along with the first and last 24DRs. To examine validity and reproducibility of SFFQ, the correlation coefficients (r) and de\u2010attenuated correlation coefficients and intra\u2010class correlation coefficient (ICC) between 24DRs and SFFQ were calculated. The Bland\u2010Altman method was used to assess agreement between the two methods.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      De\u2010attenuated correlations varied from 0.42 (polyunsaturated fatty acids) to 0.62 (energy) (all\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u2009.001) for nutrients and from 0.48 (oils and fats) to 0.65 (sweets) for food groups (all\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u2009.05). We found reasonable reproducibility of SFFQ for both nutrients and food groups. ICC (95%CI) varied from 0.47 (0.15\u20100.74) for saturated fatty acids to 0.64 (0.47\u20100.76) for energy and from 0.43 (0.15\u20100.62) for oils and fats to 0.58 for grains (0.31\u20100.69). According to the Bland\u2010Altman plots, we observed an acceptable level of agreement between the two methods.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>We found reasonable relative validity and acceptable reproducibility of SFFQ. This SFFQ can be used to classify individuals based on their dietary intake in our population.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/1747-0080.12666","type":"journal-article","created":{"date-parts":[[2021,3,31]],"date-time":"2021-03-31T01:16:06Z","timestamp":1617153366000},"page":"305-314","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Validity and reproducibility of a semi\u2010quantitative food frequency questionnaire for Iranian adults"],"prefix":"10.1111","volume":"78","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1776-1060","authenticated-orcid":false,"given":"Noushin","family":"Mohammadifard","sequence":"first","affiliation":[{"name":"Isfahan Cardiovascular Research Center, Cardiovascular Research Institute Isfahan University of Medical Sciences  Isfahan Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4766-6267","authenticated-orcid":false,"given":"Fahimeh","family":"Haghighatdust","sequence":"additional","affiliation":[{"name":"Isfahan Cardiovascular Research Center, Cardiovascular Research Institute Isfahan University of Medical Sciences  Isfahan Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roya","family":"Kelishadi","sequence":"additional","affiliation":[{"name":"Isfahan Cardiovascular Research Center, Cardiovascular Research Institute Isfahan University of Medical Sciences  Isfahan Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmad","family":"Bahonar","sequence":"additional","affiliation":[{"name":"Hypertension Research Center, Cardiovascular Research Institute Isfahan University of Medical Sciences  Isfahan 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