| Unadjusted model | Minimally adjusted model | Fully adjusted model |
---|
Without metal objects | Reference | Reference | Reference |
With metal objects |
 Blood chromium |
  β (95% CI) | 0.074 (0.046, 0.102) | 0.076 (0.047, 0.105) | 0.072 (0.043, 0.102) |
  p | <0.001 | <0.001 | <0.001 |
 Blood cobalt |
  β (95% CI) | 0.093 (0.064, 0.121) | 0.083 (0.053, 0.113) | 0.079 (0.049, 0.109) |
  p | <0.001 | <0.001 | <0.001 |
- Unadjusted model: no covariates were adjusted
- Minimally adjusted model: age, sex, body mass index, and race were adjusted
- Fully adjusted model: age, sex, body mass index, race, data collection years, education level, marital status, income to poverty ratio, smoking behavior, body mass index, serum hemoglobin, tap water intake, shellfish intake, fish intake, tuna intake, and salmon intake were adjusted