Research Article
Relationship between RBC Mercury Levels and Serum n3 Polyunsaturated Fatty Acid Concentrations among Japanese Men and Women
Table 1
Age specific concentrations of total mercury, EPA, and HDL-EPA.
| | Age | for trend*1 | | <69 | 70β74 | 75β79 | >80 | |
| Hg in red blood cells | | | | | | βMen | | | | | | ββ | 26 | 25 | 24 | 23 | | ββMean*2 (ng/g) | 41.9 | 33.9 | 28.2 | 23.7 | <0.001 | ββ95% CI | 33.3β53.4 | 28.6β40.5 | 22.2β36.5 | 17.8β32.4 | | βWomen | | | | | | ββ | 70 | 29 | 30 | 42 | | ββMean*2 (ng/g) | 24.3 | 21.7 | 17.6 | 21.7 | 0.114 | ββ95% CI | 20.6 β29.0 | 16.4β29.5 | 13.7β23.0 | 18.0β26.4 | |
| EPA in sera | | | | | | βMen | | | | | | ββ | 26 | 25 | 24 | 23 | | ββMean*2 (mg/L) | 68.3 | 60.2 | 56.3 | 34.4 | 0.001 | ββ95% CI | 54.0β87.6 | 45.3β81.7 | 42.8β75.5 | 25.4β48.0 | | βWomen | | | | | | ββ | 70 | 29 | 30 | 42 | | ββMean*2 (mg/L) | 57.3 | 57.2 | 54.5 | 48.2 | 0.070 | ββ95% CI | 51.4β64.1 | 47.6β69.3 | 46.1β64.8 | 41.3β56.6 | |
| EPA in the HDL fraction of sera | | | | | | βMen | | | | | | ββ | 26 | 24 | 24 | 21 | | ββMean*2 (mg/L) | 25.0 | 22.6 | 26.1 | 15.9 | 0.076 | ββ95% CI | 19.9β32.0 | 16.8β32.0 | 20.0β35.6 | 12.0β21.7 | | βWomen | | | | | | ββ | 71 | 30 | 29 | 40 | | ββMean*2 (mg/L) | 21.1 | 23.8 | 20.8 | 19.1 | 0.350 | ββ95% CI | 18.8β23.7 | 20.2β28.2 | 17.1β25.6 | 16.1β22.9 | |
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*1: The continuous for trend was calculated by treating age as a continuous variable. *2: Geometric mean.
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