Commentary: Vitamin supplement use and confounding by lifestyle
نویسندگان
چکیده
منابع مشابه
Reliability and validity of self-report of vitamin and mineral supplement use in the vitamins and lifestyle study.
In the United States, dietary supplements contribute a large proportion of micronutrient intakes. Therefore, it is important to collect accurate information on supplement use for studies of micronutrients and disease risk. This report describes the test-retest reliability and validity of a detailed, self-administered mailed questionnaire on vitamin and mineral supplement use. Participants (n = ...
متن کاملRelationship between vitamin and calcium supplement use and colon cancer.
The relationship between vitamin supplement use and colon cancer was assessed in a population-based case-control study among men and women aged 30-62 years. Cases were 251 men and 193 women diagnosed with colon cancer in 1985-1989 in three counties in the Seattle metropolitan area who were identified from the Surveillance, Epidemiology, and End Results cancer registry. Controls were 233 men and...
متن کاملSocio-economic status and vitamin/ mineral supplement use in Canada.
BACKGROUND The link between diet quality and socio-economic status (SES) may extend to the use of vitamin/ mineral supplements. This article examines factors related to Canadians' use of such supplements, with emphasis on associations with household income and education. DATA AND METHODS The data are from the 2004 Canadian Community Health Survey-Nutrition (n = 35,107). The prevalence of vita...
متن کاملP-12: The Improvement of Sperm Parameters and Chromatin Quality by Vitamin E Supplement in Mice
Background: Vitamin E is believed to be the primary component of the antioxidant system in spermatozoa. There is a relationship between activity of these antioxidant and function of sperm. Vitamins E and C which are belong to non-enzymatic antioxidant are used as a supplemented drug to improve sperm quality and male fertility. The present study was carried out to investigate the positive effect...
متن کاملDietary supplement use by adolescents.
OBJECTIVES To review the use, benefits and adverse effects of the main dietary supplements consumed by adolescents. SOURCES The literature review was performed using MEDLINE and LILACS databases (1997-2008). We analyzed 377 articles, and 52 of them were selected as references. SUMMARY OF THE FINDINGS Consumption of dietary supplements is widely spread among adolescents. This habit has often...
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ژورنال
عنوان ژورنال: International Journal of Epidemiology
سال: 2003
ISSN: 1464-3685,0300-5771
DOI: 10.1093/ije/dyg222