{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:34:28Z","timestamp":1787236468543,"version":"build-2736575974"},"reference-count":27,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2021,5,12]],"date-time":"2021-05-12T00:00:00Z","timestamp":1620777600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Accuracy of dietary assessment instruments such as food frequency questionnaire (FFQ) is crucial in the evaluation of diet\u2013disease relationships. Test\u2013retest reliability and concurrent and construct validity of a FFQ were evaluated in 150 pregnant women at high risk to develop fetal growth restriction randomly selected from those included in the improving mothers for better prenatal care trial Barcelona (IMPACT BCN). The FFQ and dietary records were performed at baseline and 34\u201336 weeks of gestation. Test\u2013retest reliability of the FFQ for 12 food groups and 17 nutrients was moderate (ICC = 0.55) and good (ICC = 0.60), respectively. Concurrent validity between food, nutrients and a composite Mediterranean diet score (MedDiet score) and food records was fair for foods and nutrients (\u03c1 average = 0.38 and 0.32, respectively) and moderate (r = 0.46) for the MedDiet score. Validation with biological markers ranged from poor (r = 0.07) for olives to moderate (r = 0.41) for nuts. A fair concordance between methods were found for nutrients (weighted \u03ba = 0.22) and foods (weighted \u03ba = 0.27). The FFQ-derived MedDiet score correlated in anticipated directions with intakes of nutrients and foods derived by food records. The FFQ showed a moderate test\u2013retest reliability and reasonable validity to rank women according to their food and nutrient consumption and adherence to the Mediterranean diet.<\/jats:p>","DOI":"10.3390\/nu13051629","type":"journal-article","created":{"date-parts":[[2021,5,12]],"date-time":"2021-05-12T22:46:14Z","timestamp":1620859574000},"page":"1629","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Reliability and Concurrent and Construct Validity of a Food Frequency Questionnaire for Pregnant Women at High Risk to Develop Fetal Growth Restriction"],"prefix":"10.3390","volume":"13","author":[{"given":"Charlotte","family":"Juton","sequence":"first","affiliation":[{"name":"Institut de Recerca Sant Joan de D\u00e9u, Endocrinology Department, Esplugues de Llobregat, 08950 Barcelona, Spain"},{"name":"PhD Program, Food and Nutrition University of Barcelona, 08007 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6876-5443","authenticated-orcid":false,"given":"Sara","family":"Castro-Barquero","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Hospital Clinic, Institut d\u2019Investigacions Biom\u00e8diques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Fisiopatolog\u00eda de la Obesidad y Nutrici\u00f3n (CIBEROBN), ISCIII, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0211-9166","authenticated-orcid":false,"given":"Rosa","family":"Casas","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Hospital Clinic, Institut d\u2019Investigacions Biom\u00e8diques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Fisiopatolog\u00eda de la Obesidad y Nutrici\u00f3n (CIBEROBN), ISCIII, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tania","family":"Freitas","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Hospital Clinic, Institut d\u2019Investigacions Biom\u00e8diques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08007 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8180-5991","authenticated-orcid":false,"given":"Ana Maria","family":"Ruiz-Le\u00f3n","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Hospital Clinic, Institut d\u2019Investigacions Biom\u00e8diques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Fisiopatolog\u00eda de la Obesidad y Nutrici\u00f3n (CIBEROBN), ISCIII, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0140-7411","authenticated-orcid":false,"given":"Francesca","family":"Crovetto","sequence":"additional","affiliation":[{"name":"BCNatal | Fetal Medicine Research Centre, Hospital Cl\u00ednic and Hospital Sant Joan de D\u00e9u, University of Barcelona, IDIBAPS, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M\u00f3nica","family":"Domenech","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Hospital Clinic, Institut d\u2019Investigacions Biom\u00e8diques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Fisiopatolog\u00eda de la Obesidad y Nutrici\u00f3n (CIBEROBN), ISCIII, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7422-5240","authenticated-orcid":false,"given":"F\u00e1tima","family":"Crispi","sequence":"additional","affiliation":[{"name":"BCNatal | Fetal Medicine Research Centre, Hospital Cl\u00ednic and Hospital Sant Joan de D\u00e9u, University of Barcelona, IDIBAPS, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0548-0053","authenticated-orcid":false,"given":"Eduard","family":"Vieta","sequence":"additional","affiliation":[{"name":"Departments of Psychiatry and Psychology, Hospital Clinic, Neuroscience Institute, IDIBAPS, University of Barcelona, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red en Salud Mental (CIBERSAM), ISCIII, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eduard","family":"Gratac\u00f3s","sequence":"additional","affiliation":[{"name":"BCNatal | Fetal Medicine Research Centre, Hospital Cl\u00ednic and Hospital Sant Joan de D\u00e9u, University of Barcelona, IDIBAPS, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1260-4445","authenticated-orcid":false,"given":"Ramon","family":"Estruch","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Hospital Clinic, Institut d\u2019Investigacions Biom\u00e8diques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08007 Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Fisiopatolog\u00eda de la Obesidad y Nutrici\u00f3n (CIBEROBN), ISCIII, 28029 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