, Volume 46, Issue 3, pp 165-173
Date: 21 Mar 2007

Lifestyle and diet in people using dietary supplements

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Summary

Background

The use of dietary supplements is often associated with a healthy lifestyle. Due to high variation in supplementation practice by country, these associations will be investigated in a large German cohort study.

Aim of the study

To describe the prevalence of dietary supplement use in the EPIC-Heidelberg cohort and to illuminate differences in health-relevant characteristics between regular users and non-users.

Methods

At cohort recruitment, 13,615 women aged 35–65 and 11,929 men aged 40–65 were asked for regular dietary supplementation over the past year.

Results

Regular use of any supplement was reported by 47% of the women and 41% of the men, vitamin or mineral supplements were taken by 40% and 33%, respectively. The use of vitamin and/or mineral supplements was significantly associated with higher age, being non- or ex-smoker, lower BMI, higher physical leisure time activity, and higher educational level. After adjustment for these factors, we observed positive associations between supplement use and the consumption of milk, milk products, and fish as well as the intake of vitamin C and β-carotene. In contrast, the supplement use was related to lower meat and meat product consumption, saturated fat intake, and n6/n3-fatty acid ratio in the diet, both in women and men. Except for Hemoccult® testing in women, no association with participation in cancer screening was observed.

Conclusions

The high prevalence of supplement use in EPIC-Heidelberg was associated with several presumably healthier lifestyle and diet characteristics. This needs to be considered in further evaluations of the risk of chronic diseases.