{"id":33369,"date":"2014-05-01T00:00:00","date_gmt":"2018-12-03T23:12:07","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/changes-in-vitamin-and-mineral-supplement-use-after-breast\/"},"modified":"2018-12-04T00:12:07","modified_gmt":"2018-12-03T23:12:07","slug":"changes-in-vitamin-and-mineral-supplement-use-after-breast","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/changes-in-vitamin-and-mineral-supplement-use-after-breast\/","title":{"rendered":"Changes in vitamin and mineral supplement use after breast cancer diagnosis in the Pathways Study: a prospective cohort study."},"content":{"rendered":"

BACKGROUND<\/strong>
\nVitamin and mineral supplement use after a breast cancer diagnosis is common and controversial. Dosages used and the timing of initiation and\/or discontinuation of supplements have not been clearly described.<\/p>\n

METHODS<\/strong>
\nWe prospectively examined changes in use of 17 vitamin\/mineral supplements in the first six months following breast cancer diagnosis among 2,596 members (28% non-white) of Kaiser Permanente Northern California. We used multivariable logistic regression to examine demographic, clinical, and lifestyle predictors of initiation and discontinuation.<\/p>\n

RESULTS<\/strong>
\nMost women used vitamin\/mineral supplements before (84%) and after (82%) diagnosis, with average doses far in excess of Institute of Medicine reference intakes. Over half (60.2%) reported initiating a vitamin\/mineral following diagnosis, 46.3% discontinuing a vitamin\/mineral, 65.6% using a vitamin\/mineral continuously, and only 7.2% not using any vitamin\/mineral supplement before or after diagnosis. The most commonly initiated supplements were calcium (38.2%), vitamin D (32.01%), vitamin B6 (12.3%) and magnesium (11.31%); the most commonly discontinued supplements were multivitamins (17.14%), vitamin C (15.97%) and vitamin E (45.62%). Higher education, higher intake of fruits\/vegetables, and receipt of chemotherapy were associated with initiation (p-values <0.05). Younger age and breast-conserving surgery were associated with discontinuation (p-values <0.05).<\/p>\n

CONCLUSIONS<\/strong>
\nIn this large cohort of ethnically diverse breast cancer patients, high numbers of women used vitamin\/mineral supplements in the 6 months following breast cancer diagnosis, often at high doses and in combination with other supplements. The immediate period after diagnosis is a critical time for clinicians to counsel women on supplement use.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-33369","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Mailman School of Public Health, Columbia University, New York, NY 10032, USA. hg2120@columbia.edu","annee":"2014","mois":"5","numero":"14:1","page":"382","auteurs":[{"ID":33361,"post_author":"0","post_date":"2018-12-04 00:12:02","post_date_gmt":"2018-12-03 23:12:02","post_content":"","post_title":"Garrett Strizich","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"garrett-strizich","to_ping":"","pinged":"","post_modified":"2018-12-04 00:12:02","post_modified_gmt":"2018-12-03 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Greenlee","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"heather-greenlee","to_ping":"","pinged":"","post_modified":"2018-12-03 17:24:37","post_modified_gmt":"2018-12-03 16:24:37","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/heather-greenlee\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":33363,"post_author":"0","post_date":"2018-12-04 00:12:03","post_date_gmt":"2018-12-03 23:12:03","post_content":"","post_title":"Marilyn L Kwan","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"marilyn-l-kwan","to_ping":"","pinged":"","post_modified":"2018-12-04 00:12:03","post_modified_gmt":"2018-12-03 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Neugut","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"alfred-i-neugut","to_ping":"","pinged":"","post_modified":"2018-12-04 00:12:06","post_modified_gmt":"2018-12-03 23:12:06","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/alfred-i-neugut\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":8885,"post_author":"0","post_date":"2018-12-03 18:04:58","post_date_gmt":"2018-12-03 17:04:58","post_content":"","post_title":"BMC cancer","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"bmc-cancer","to_ping":"","pinged":"","post_modified":"2018-12-03 18:04:58","post_modified_gmt":"2018-12-03 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