Table 2 Distribution of participant characteristics and stratum-specific mean MeHg concentrations (μg/g) by community, 101 western Canadian Arctic residents, 2016
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 |