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Table 2 Distribution of participant characteristics and stratum-specific mean MeHg concentrations (μg/g) by community, 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

Participant Characteristics Total
(n = 101)
Aklavik, NT
(n = 45)
Old Crow, YT
(n = 32)
Fort McPherson, NT
(n = 24)
n (%) Mean ± SD n (%) Mean ± SD n (%) Mean ± SD n (%) Mean ± SD
Demographic Characteristics
Age
 10–30 years 9 (9) 0.26 ± 0.21 5 (11) 0.17 ± 0.08 4 (12.5) 0.37 ± 0.27 0 (0)
 31–40 years 15 (15) 0.45 ± 0.60 8 (18) 0.50 ± 0.70 4 (12.5) 0.53 ± 0.66 3 (12.5) 0.20 ± 0.23
 41–50 years 14 (14) 0.49 ± 0.34 8 (18) 0.41 ± 0.35 4 (12.5) 0.58 ± 0.35 2 (8) 0.59 ± 0.44
 52–60 years 35 (35) 0.79 ± 0.52 14 (31) 0.60 ± 0.35 7 (22) 0.57 ± 0.44 14 (58) 1.09 ± 0.57
 61–70 years 17 (17) 0.57 ± 0.31 6 (13) 0.78 ± 0.43 9 (28) 0.47 ± 0.16 2 (8) 0.42 ± 0.00
 71–86 years 11 (11) 0.64 ± 0.39 4 (9) 0.42 ± 0.36 4 (12.5) 0.78 ± 0.27 3 (12.5) 0.75 ± 0.56
Sex
 Male 37 (37) 0.74 ± 0.51 13 (29) 0.53 ± 0.46 17 (53) 0.68 ± 0.40 7 (29) 1.28 ± 0.49
 Female 64 (63) 0.51 ± 0.42 32 (71) 0.50 ± 0.43 15 (47) 0.38 ± 0.20 17 (71) 0.66 ± 0.52
Hair Treatments
 No 70 (69) 0.64 ± 0.49 33 (73) 0.48 ± 0.37 20 (62.5) 0.62 ± 0.40 17 (71) 0.95 ± 0.64
 Yes 31 (31) 0.51 ± 0.42 12 (27) 0.59 ± 0.59 12 (37.5) 0.4 0 ± 0.21 7 (29) 0.58 ± 0.32
Fish/Whale Consumption
  <  1 meal/week 38 (38) 0.42 ± 0.37 18 (40) 0.38 ± 0.34 11 (34) 0.38 ± 0.28 9 (38) 0.55 ± 0.52
 1–2 meals/week 21 (21) 0.57 ± 0.48 9 (20) 0.43 ± 0.35 7 (22) 0.42 ± 0.32 5 (21) 1.04 ± 0.62
 3–4 meals/week 22 (22) 0.71 ± 0.48 9 (20) 0.57 ± 0.48 9 (28) 0.69 ± 0.38 4 (17) 1.05 ± 0.64
  ≥ 5 meals/week 20 (20) 0.84 ± 0.50 9 (20) 0.80 ± 0.55 5 (16) 0.77 ± 0.37 6 (25) 0.96 ± 0.58
Other Dietary Components
Fruit & Vegetables
 1–3 times/week 20 (20) 0.69 ± 0.52 11 (24) 0.53 ± 0.42 5 (16) 0.48 ± 0.18 4 (17) 1.39 ± 0.49
 4–7 times/week 27 (27) 0.61 ± 0.51 12 (27) 0.49 ± 0.39 5 (16) 0.51 ± 0.44 10 (42) 0.81 ± 0.64
>  1 time/day;
  < 2 times/day
30 (30) 0.69 ± 0.52 13 (29) 0.69 ± 0.52 11 (34) 0.69 ± 0.52 6 (25) 0.69 ± 0.52
  ≥ 2 times/day 24 (24) 0.59 ± 0.47 9 (20) 0.74 ± 0.63 11 (34) 0.45 ± 0.27 4 (17) 0.64 ± 0.51
Dairy
  ≤ 1 time/week 29 (29) 0.59 ± 0.47 13 (29) 0.74 ± 0.63 10 (31) 0.45 ± 0.27 6 (25) 0.64 ± 0.51
 2–4 times/week 14 (14) 0.61 ± 0.50 9 (20) 0.53 ± 0.40 1 (3) 0.50 ± 0.43 4 (17) 0.96 ± 0.72
 5–7 times/week 13 (13) 0.67 ± 0.42 9 (20) 0.59 ± 0.40 2 (6) 0.59 ± 0.00 2 (8) 0.88 ± 0.50
  > 1 time/day 45 (45) 0.25 ± 0.16 14 (31) 0.23 ± 0.13 19 (59) 0.37 ± 0.25 12 (50) 0.23 ± 0.24
Uses Dietary Supplements
 No 62 (61) 0.67 ± 0.49 33 (73) 0.62 ± 0.56 19 (59) 0.57 ± 0.34 10 (42) 0.86 ± 0.57
 Yes 39 (39) 0.58 ± 0.47 12 (27) 0.46 ± 0.36 13 (41) 0.59 ± 0.44 14 (58) 0.94 ± 0.66