Trend in selenium status of South Australians.

Abstract

Surveys were conducted to assess trends in selenium status in South Australians from 1977 to 2002. The 2002 survey yielded a mean plasma selenium concentration of 103 μg/L (SE, 0.65), which reached the estimated nutritional adequacy level of 100 μg/L plasma selenium. Mean whole blood selenium declined 20% from the 1977 and 1979 surveys (mean whole blood selenium concentration, 153 μg/L) to the 1987, 1988 and 2002 surveys (mean whole blood selenium concentration, 122 μg/L). Plasma selenium was higher in men (P = 0.01), and increased with age in both men and women (P = 0.008). In healthy South Australian adults sampled from 1977 to 2002, whole blood and plasma selenium concentrations were above those reported for most other countries and in most previous Australian studies, notwithstanding an apparent decline in selenium status from the late 1970s to the late 1980s.

Citation

Medical Journal of Australia (2004) 180 (8) 383-386

Trend in selenium status of South Australians.

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