Table 4 Total blood mercury concentrations by Jesa-related characteristics
Characteristics | Total | Shark consumption | Non-consumption | |||
|---|---|---|---|---|---|---|
Number (%) | Concentrationsa | Number (%) | Concentrationsa | Number (%) | Concentrationsa | |
Frequency of Jesa b | ||||||
 0 | 264 (35.1) | 3.31 (3.07–3.56) | 1 (0.3) | 4.18 (1.29–13.54) | 263 (70.3) | 3.13 (2.93–3.35) |
 1–2 | 194 (25.8) | 4.20 (3.87–4.55) | 162 (42.7) | 4.41 (4.03–4.84) | 32 (8.6) | 4.16 (3.43–5.05) |
 3–4 | 190 (25.2) | 4.91 (4.52–5.34) | 137 (36.1) | 5.18 (4.69–5.73) | 53 (14.2) | 4.53 (3.90–5.27) |
 5≤ | 105 (13.9) | 4.96 (4.45–5.53) | 79 (20.8) | 5.70 (5.01–6.50) | 26 (7.0) | 3.69 (3.00–4.54) |
  p-valued |  | < 0.001 |  | 0.010 |  | < 0.001 |
Shark meat usage in Jesa c | ||||||
 0 | 310 (41.2) | 3.67 (3.43–3.92) | 3 (0.8) | 4.71 (2.40–9.22) | 307 (82.1) | 3.38 (3.18–3.59) |
 1–2 | 198 (26.3) | 4.09 (3.77–4.43) | 178 (47.0) | 4.41 (4.04–4.82) | 20 (5.3) | 4.07 (3.20–5.18) |
 3–4 | 153 (20.3) | 4.77 (4.34–5.23) | 126 (33.2) | 5.36 (4.83–5.95) | 27 (7.2) | 3.52 (2.86–4.33) |
 5≤ | 92 (12.2) | 4.79 (4.25–5.39) | 72 (19.0) | 5.63 (4.91–6.46) | 20 (5.3) | 3.31 (2.60–4.20) |
  p-valued |  | < 0.001 |  | 0.001 |  | 0.508 |