{"id":23519,"date":"2015-10-01T00:00:00","date_gmt":"2018-12-03T20:28:35","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/correlations-between-fruit-vegetables-fish-vitamins\/"},"modified":"2018-12-03T21:28:35","modified_gmt":"2018-12-03T20:28:35","slug":"correlations-between-fruit-vegetables-fish-vitamins","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/correlations-between-fruit-vegetables-fish-vitamins\/","title":{"rendered":"Correlations between Fruit, Vegetables, Fish, Vitamins, and Fatty Acids Estimated by Web-Based Nonconsecutive Dietary Records and Respective Biomarkers of Nutritional Status."},"content":{"rendered":"

BACKGROUND<\/strong>
\nIt is of major importance to measure the validity of self-reported dietary intake using web-based instruments before applying them in large-scale studies.<\/p>\n

OBJECTIVE<\/strong>
\nThis study aimed to validate self-reported intake of fish, fruit and vegetables, and selected micronutrient intakes assessed by a web-based self-administered dietary record tool used in the NutriNet-Santé prospective cohort study, against the following concentration biomarkers: plasma beta carotene, vitamin C, and n-3 polyunsaturated fatty acids.<\/p>\n

PARTICIPANTS\/SETTING<\/strong>
\nOne hundred ninety-eight adult volunteers (103 men and 95 women, mean age=50.5 years) were included in the protocol: they completed 3 nonconsecutive-day dietary records and two blood samples were drawn 3 weeks apart. The study was conducted in the area of Paris, France, between October 2012 and May 2013.<\/p>\n

MAIN OUTCOME MEASURES<\/strong>
\nReported fish, fruit and vegetables, and selected micronutrient intakes and plasma beta carotene, vitamin C, and n-3 polyunsaturated fatty acid levels were compared.<\/p>\n

STATISTICAL ANALYSES<\/strong>
\nSimple and adjusted Spearman's rank correlation coefficients were estimated after de-attenuation for intra-individual variation.<\/p>\n

RESULTS<\/strong>
\nRegarding food groups in men, adjusted correlations ranged from 0.20 for vegetables and plasma vitamin C to 0.49 for fruits and plasma vitamin C, and from 0.40 for fish and plasma c20:5 n-3 (eicosapentaenoic acid [EPA]) to 0.55 for fish and plasma c22:6 n-3 (docosahexaenoic acid). In women, correlations ranged from 0.13 (nonsignificant) for vegetables and plasma vitamin C to 0.41 for fruits and vegetables and plasma beta carotene, and from 0.27 for fatty fish and EPA to 0.54 for fish and EPA+docosahexaenoic acid. Regarding micronutrients, adjusted correlations ranged from 0.36 (EPA) to 0.58 (vitamin C) in men and from 0.32 (vitamin C) to 0.38 (EPA) in women.<\/p>\n

CONCLUSIONS<\/strong>
\nThe findings suggest that three nonconsecutive web-based dietary records provide reasonable estimates of true intake of fruits, vegetables, fish, beta carotene, vitamin C, and n-3 fatty acids. Along with other validation studies, this study shows acceptable validity of using such diet-assessment methods in large epidemiologic surveys and broadens new perspectives for epidemiology.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-23519","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Correlations between Fruit, Vegetables, Fish, Vitamins, and Fatty Acids Estimated by Web-Based Nonconsecutive Dietary Records and Respective Biomarkers of Nutritional Status. c.lassale@imperial.ac.uk","annee":"2015","mois":"10","numero":":","page":"","auteurs":[{"ID":1138,"post_author":"0","post_date":"2018-12-03 15:56:41","post_date_gmt":"2018-12-03 14:56:41","post_content":"","post_title":"Serge Hercberg","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"serge-hercberg","to_ping":"","pinged":"","post_modified":"2018-12-03 15:56:41","post_modified_gmt":"2018-12-03 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18:40:07","post_content":"","post_title":"G\u00e9raldine M Camilleri","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"geraldine-m-camilleri","to_ping":"","pinged":"","post_modified":"2018-12-03 19:40:07","post_modified_gmt":"2018-12-03 18:40:07","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/geraldine-m-camilleri\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":23518,"post_author":"0","post_date":"2018-12-03 21:28:34","post_date_gmt":"2018-12-03 20:28:34","post_content":"","post_title":"Patrice Faure","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"patrice-faure","to_ping":"","pinged":"","post_modified":"2018-12-03 21:28:34","post_modified_gmt":"2018-12-03 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