{"id":49499,"date":"2005-12-01T00:00:00","date_gmt":"2018-12-04T03:57:56","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/relative-validity-and-reproducibility-of-a-14-item-semi-quantitative\/"},"modified":"2018-12-04T04:57:56","modified_gmt":"2018-12-04T03:57:56","slug":"relative-validity-and-reproducibility-of-a-14-item-semi-quantitative","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/relative-validity-and-reproducibility-of-a-14-item-semi-quantitative\/","title":{"rendered":"Relative validity and reproducibility of a 14-item semi-quantitative food frequency questionnaire for cardiovascular prevention."},"content":{"rendered":"<p>BACKGROUND: Dietary habits play a major role in cardiovascular disease risk but few simple nutrition assessment tools are available for clinical practice. We developed a 14-item food frequency questionnaire to evaluate dietary patterns in relation with coronary risk in a French population. DESIGN AND METHODS: This food frequency questionnaire gave different scores of intake: saturated fatty acids (six questions), mono-unsaturated fatty acids, Omega-3 and Omega-6\/Omega-3 polyunsaturated fatty acids (five questions), and fruits and vegetables (three questions). Validity was assessed against a 7-day dietary history (n = 49 subjects) and against biomarkers (n = 181). The food frequency questionnaire was also administered twice with an interval of 15 days to evaluate its reproducibility (n = 20). RESULTS: Validity against dietary history was assessed with Spearman correlation coefficients which ranged from 0.47 (fruits and vegetables) to 0.63 (polyunsaturated fatty acids\/saturated fatty acids) (all P &lt; 0.05), with a mean value of 0.54. On average, 39% of the subjects were classified in the same quartile with the food frequency questionnaire and the dietary history and 84% in the same or adjacent quartile. Biomarker-based validity using Spearman correlation coefficients varied from 0.21 (saturated fatty acids) to 0.53 (Omega-3 polyunsaturated fatty acids) (all P &lt; 0.05), with a mean value of 0.35. On average, 37% of the participants were classified in the same quartile with the food frequency questionnaire and the corresponding biomarkers and 73% in the same or adjacent quartile. Reproducibility assessed by the intraclass correlation coefficient ranged from 0.71 (mono-unsaturated fatty acids) to 0.93 (global score), with a mean value of 0.81. CONCLUSION: We validated a short food frequency questionnaire for dietary pattern assessment in coronary prevention<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-49499","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Clinical Research Centre INSERM 0203, Rennes, France.","annee":"2005","mois":"12","numero":"12:6","page":"587-95","auteurs":[{"ID":42960,"post_author":"0","post_date":"2018-12-04 02:59:10","post_date_gmt":"2018-12-04 01:59:10","post_content":"","post_title":"Laviolle","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"laviolle","to_ping":"","pinged":"","post_modified":"2018-12-04 02:59:10","post_modified_gmt":"2018-12-04 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