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Table 3 Multiple regression of hair MeHg concentrations (μg/g) on fish/whale consumption frequency, 101 western Canadian Arctic residents, 2016

From: Patterns of fish and whale consumption in relation to methylmercury in hair among residents of Western Canadian Arctic communities

   Unadjusted Adjusted Φ
   β 95% CI β 95% CI
Sex
 Female   Reference   Reference  
 Male   0.227 0.040, 0.414 0.167 −0.014, 0.347
Dye or Perm
 No   Reference   Reference  
 Yes   −0.124 − 0.324, 0.075 0.031 − 0.292, 0.355
Community
 Aklavik, NWT   Reference   Reference  
 Old Crow, YT   0.027 −0.180, 0.234 −0.125 − 0.334, 0.085
 Fort McPherson, NWT   0.327 0.101, 0.554 0.249 0.039, 0.459
 Proportion Cooked   0.004 0.0001, 0.0075 0.004 - 0.00006, 0.007
Fish/Whale Consumption
  <  1 meal/week   Reference   Reference  
 1–2 meals/week   0.142 −0.088, 0.372 0.142 −0.106, 0.391
 3–4 meals/week   0.337 0.092, 0.583 0.542 0.235, 0.849
  ≥ 5 meals/week   0.422 0.181, 0.663 0.419 0.152, 0.689
Interaction between Fish/Whale Consumption and Use of Permanent Hair Treatments
Fish/Whale Consumption Dye/Perm     
 1–2 meals/week No    Reference  
Yes    −0.112 −0.607, 0.382
 3–4 meals/week No    Reference  
Yes    −0.588 −1.083, − 0.094
  ≥ 5 meals/week No    Reference  
Yes    −0.192 −0.693, 0.309