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. 2010 Oct 27;119(2):245–251. doi: 10.1289/ehp.1002609

Table 1.

Louisiana recreational anglers’ hair Hg concentrations stratified by demographic variables and quartiles of fish consumption and estimated Hg dose.

Percentile
Angler group n Mean ± SD Range Median 75th 90th 95th
All 398 1.1 ± 1.1 0.02–10.7 0.81 1.4 2.3 3.2

Sex
 Male 354 1.2 ± 1.1 0.02–10.7 0.83 1.5 2.3 3.2
 Female 44 0.91 ± 0.81 0.05–3.6 0.71 1.1 1.9 2.5

Age (years)
 18–39 106 1.3 ± 1.1 0.02–5.0 0.98 1.8 2.6 3.9
 40–54 176 1.1 ± 1.2 0.05–10.7 0.80 1.3 2.2 3.3
 55–84 114 0.97 ± 0.76 0.08–4.8 0.73 1.2 1.8 2.5

Race/ethnicity
 White 381 1.1 ± 1.1 0.02–10.7 0.81 1.4 2.3 3.2
 Nonwhite 17 1.2 ± 1.2 0.05–4.9 0.74 1.6 2.4 3.0

Education
 ≤ High school degree 106 0.82 ± 0.83 0.02–6.6 0.63 1.0 1.5 2.0
 Some collegea 88 0.93 ± 0.63 0.13–3.4 0.77 1.2 1.8 2.2
 College degree 122 1.3 ± 1.3 0.09–10.7 0.87 1.7 2.5 3.6
 Postcollege or graduate 82 1.6 ± 1.2 0.08–6.8 1.2 2.0 3.4 4.0

Survey type
 In person 177 0.73 ± 0.49 0.02–2.4 0.58 0.96 1.5 1.8
 Web 221 1.5 ± 1.3 0.08–10.7 1.1 1.9 3.1 4.0

BMI (kg/m2)
 < 25 102 1.1 ± 0.93 0.05–4.6 0.83 1.5 2.3 3.2
 25–29.9 184 1.1 ± 0.89 0.13–5.0 0.87 1.4 2.2 2.7
 ≥ 30 111 1.2 ± 1.5 0.02–10.7 0.73 1.3 2.4 3.7

Fish consumption
 ≤ 1×/month or less 23 0.93 ± 0.80 0.08–3.7 0.75 1.2 1.8 2.2
 1×/week 211 1.1 ± 1.0 0.09–6.6 0.78 1.4 2.4 3.4
 3×/week 158 1.2 ± 1.2 0.02–10.7 0.88 1.5 2.1 2.4
 ≥ 1/day 6 2.3 ± 1.5 0.65–4.9 1.8 2.9 4.0 4.5

Species-specific Hg dose (μg/kg/day)
 Q1 (0.0011–0.062) 95 0.68 ± 0.76 0.02–6.6 0.52 0.75 1.2 1.6
 Q2 (0.062–0.11) 103 1.0 ± 0.86 0.12–4.8 0.73 1.2 2.1 2.8
 Q3 (0.11–0.18) 102 1.2 ± 0.96 0.08–6.8 0.99 1.6 2.1 2.9
 Q4 (0.18–1.18) 97 1.7 ± 1.4 0.05–10.7 1.3 2.1 3.3 4.5

Scaled Hg dose (μg/kg/day)
 Q1 (0–0.0052) 96 0.69 ± 0.55 0.08–3.7 0.55 0.82 1.2 1.6
 Q2 (0.0052–0.0091) 95 1.3 ± 1.1 0.09–6.6 0.91 1.6 2.5 3.6
 Q3 (0.0091–0.023) 100 1.1 ± 97 0.02–5.0 0.84 1.4 2.3 3.2
 Q4 (0.023–0.27) 106 1.5 ± 1.4 0.05–10.7 1.2 1.8 2.5 3.6

Q1–Q4 indicate first through fourth quartile. Age data were missing for two participants, and BMI and scaled Hg dose data were missing for one participant.

a

Includes vocational/technical school and associate’s degree.