Table 5.
Change in outcome, expressed in percentage of outcome SD (and corresponding 95% confidence intervals) associated with 1 SD increase in exposure.a
| Exposure indicator
|
||||
|---|---|---|---|---|
| Outcome | Blood Hg | Nail Hg | Hair Hg (7 years ago) | Latent Hg |
| Latent HRV | 24.9 (−0.67 to 50.6)* | 11.1 (−19.6 to 42.0) | −0.20 (−24.3 to 39.0) | 7.80 (−31.7 to 47.3) |
| CVRR% | 43.3 (20.3 to 66.3)** | 25.5 (−0.60 to 51.5)* | 25.9 (−1.39 to 53.1)* | 5.80 (−29.1 to 40.5) |
| C-CVLF | 59.2 (31.2 to 87.3)** | 42.7 (11.4 to 74.0)** | 39.8 (6.26 to 73.5)** | 24.1 (−20.0 to 68.2) |
| C-CVHF | 37.2 (10.7 to 63.9)** | 27.6 (−0.29 to 55.5)* | 17.2 (−13.1 to 47.5) | 9.40 (−22.8 to 41.5) |
| Latent CVF | 23.9 (−12.1 to 60.1) | 37.1 (0.46 to 74.3)** | 14.5 (−29.3 to 58.0) | 38.0 (−5.60 to 81.2)* |
| Systolic BP | 37.5 (5.12 to 69.9)** | 23.3 (−10.4 to 56.1) | 22.1 (−13.7 to 58.3) | 33.8 (−7.16 to 74.6) |
| Diastolic BP | 33.2 (3.15 to 62.9)** | 30.9 (0.72 to 61.5)** | 14.1 (−18.9 to 46.6) | 32.4 (−2.58 to 67.2)* |
| Heart rate | 8.90 (−23.7 to 41.2) | 13.3 (−19.4 to 45.7) | 17.6 (−16.9 to 52.6) | 24.0 (−6.76 to 54.1) |
| Latent BAEP | −5.9 (−33.9 to 22.1) | 13.5 (−18.0 to 45.0) | 9.50 (−20.1 to 38.0) | 2.4 (−25.2 to 28.8) |
| III 20 Hz | 9.80 (−20.6 to 40.2) | 8.20 (−22.8 to 38.2) | 26.5 (−5.30 to 58.3) | 4.50 (−27.9 to 36.0) |
| V 20 Hz | 17.5 (−11.1 to 46.1) | 19.3 (−8.88 to 47.4) | 30.3 (23.0 to 59.6)** | 11.3 (−21.2 to 43.8) |
| III 40 Hz | −7.10 (−36.4 to 23.1) | −9.50 (−39.0 to 20.9) | 7.70 (−25.2 to 40.6) | −11.6 (−44.5 to 21.3) |
| V 40 Hz | 15.3 (−13.6 to 45.9) | 12.3 (−15.4 to 41.6) | 32.5 (5.25 to 58.8)** | 4.2 (−28.0 to 36.4) |
| Latent IMTb | — | — | — | — |
| Mean | 25.0 (−5.27 to 55.3) | 41.9 (14.2 to 69.6)** | 33.6 (3.64 to 63.3)** | 29.0 (−3.94 to 61.9)* |
| Maximum | 16.8 (−16.0 to 49.7) | 34.8 (3.99 to 65.6)** | 34.3 (2.50 to 66.0)** | 24.7 (−10.5 to 59.8) |
| Minimum | 23.0 (−6.77 to 52.8) | 39.0 (11.7 to 66.6)** | 29.4 (−0.29 to 59.0)* | 24.6 (−7.71 to 56.9) |
a
All results in the first row of each latent outcome and in the last column of latent Hg exposure were from SEM analyses. All other results were from multiple regression analysis where an individual outcome is regressed on an exposure indicator. Models were adjusted for age, smoking, alcohol consumption, fish dinners, and BMI.
b
SEM results not available because of high correlations among the three similar IMT measures.
*
p < 0.10;
**
p < 0.05.