Table 4.
Dietary Intake | Blood Mercury (μg/L) 1 | p Value 2 | OR for Blood Mercury ≥ HBM I 3 | ||||||
---|---|---|---|---|---|---|---|---|---|
n | Mean | Range | GM | 95% CI | OR | 95% CI | |||
Total mercury intake (μg/day) | T1 | 184 | 0.99 | (0.32–1.48) | 2.56 | (2.35–2.78) | <0.001 | 1.00 | - |
T2 | 185 | 2.42 | (1.49–3.56) | 2.84 | (2.62–3.08) | 1.29 | (0.67–2.50) | ||
T3 | 184 | 7.99 | (3.57–81.72) | 4.16 | (3.84–4.51) | 3.27 | (1.79–5.95) | ||
% PTDI for inorganic mercury 4 | T1 | 184 | 2.73 | (0.79–4.18) | 2.60 | (2.40–2.83) | <0.001 | 1.00 | - |
T2 | 185 | 6.77 | (4.19–9.99) | 3.02 | (2.77–3.30) | 1.53 | (0.81–2.88) | ||
T3 | 184 | 21.77 | (10.00–195.91) | 3.85 | (3.55–4.16) | 3.29 | (1.81–6.01) | ||
Methylmercury intake from fish and shellfish (μg/day) 5 | T1 | 184 | 0.20 | (0–0.63) | 2.56 | (2.35–2.79) | <0.001 | 1.00 | - |
T2 | 185 | 1.52 | (0.64–2.57) | 2.88 | (2.65–3.14) | 1.30 | (0.67–2.51) | ||
T3 | 184 | 6.86 | (2.58–78.27) | 4.09 | (3.79–4.42) | 3.20 | (1.77–5.79) | ||
% PTDI for methylmercury 6 | T1 | 184 | 1.41 | (0–4.71) | 2.56 | (2.35–2.78) | <0.001 | 1.00 | - |
T2 | 185 | 10.62 | (4.71–17.99) | 3.01 | (2.76–3.28) | 1.54 | (0.81–2.94) | ||
T3 | 184 | 46.51 | (18.00–469.06) | 3.94 | (3.64–4.26) | 3.13 | (1.72–5.67) |
GM: Geometric Mean; CI: Confidence Interval; OR: Odds Ratio; PTDI: Provisional Tolerable Daily Intake; T: Tertile; 1 Blood mercury concentration data were missing for two subjects; 2 The p values were calculated by generalized linear model analysis and adjusted for sex and age; 3 The HMB I value for blood mercury is 5 μg/L, and the odds ratio was adjusted for sex, age, smoking status, and drinking status; 4 The PTDI for inorganic mercury is 0.5714 μg/kg bw/day; 5 The methylmercury intake was calculated with the following equation: ; 6 The PTDI for methylmercury is 0.2286 μg/kg bw/day.