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

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

		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
1–2 meals/week	Yes			−0.112	−0.607, 0.382
3–4 meals/week	No			Reference
3–4 meals/week	Yes			−0.588	−1.083, − 0.094
≥ 5 meals/week	No			Reference
≥ 5 meals/week	Yes			−0.192	−0.693, 0.309

ISSN: 1471-2458