Table 3 Weighted and adjusted blood cadmium concentrations by gejang (marinated crab) intake frequency and amount

Frequency

 Rarely

0.97 ± 0.02

 1/month

1.04 ± 0.07

 2–3/month

0.99 ± 0.06

 1/week

1.10 ± 0.09

 2–4/week

0.98 ± 0.16

 5–6/week

1.65 ± 0.13

p-value*

<0.001

Intake per meal

 Rarely

0.97 ± 0.02

 5 cm³

0.93 ± 0.10

 15 cm³

1.13 ± 0.14

 50 cm³

1.00 ± 0.04

p-value*

0.467

Intake per month

 Rarely

0.97 ± 0.02

  ≤ 100 cm³

1.03 ± 0.06

 101–200 cm³

1.05 ± 0.06

  > 200 cm³

1.46 ± 0.18

p-value*

0.016