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Table 4 Odds for hypertension among Inuit § (30–69 years) in Greenland vs. quintiles of whole blood mercury. The analyses are adjusted for confounders ab

From: The association between blood pressure and whole blood methylmercury in a cross-sectional study among Inuit in Greenland

 

Hypertension (1 = hypertension, 0 = no hypertension)c

Whole blood mercury (μg/L)

Odds ratio (95% CI)

Pd (Pe)

Men

  

Quintile 1 (range: 0.4-8.7)

1

(0.22)

Quintile 2 (range: 8.8-17.0)

1.04 (0.62-1.73)

0.88

Quintile 3 (range: 17.3-26.1)

0.65 (0.37-1.15)

0.14

Quintile 4 (range: 27.0-49.0)

0.84 (0.45-1.57)

0.59

Quintile 5 (range: 50.0-280.0)

0.53 (0.26-1.10)

0.09

Women

  

Quintile 1 (range: 0.05-6.4)

1

(0.60)

Quintile 2 (range: 6.6-12.0)

1.29 (0.77-2.18)

0.34

Quintile 3 (range: 12.2-20.1)

1.09 (0.63-1.89)

0,75

Quintile 4 (range: 21.0-35.0)

1.51 (0.85-2.69)

0.16

Quintile 5 (range: 36.0-170.0)

1.39 (0.72-2.70)

0.33

  1. § Only participants with four Greenlandic grandparents.
  2. a Confounders: age, smoking habits, blood selenium, ratio of n-3/n-6 fatty acids, waist circumference.
  3. b The models were based on 663 men and 889 women (with non-missing values for all included variables).
  4. c Hypertension was defined as BP ≥ 140/90 mmHg or usage of anti-hypertensive drugs.
  5. d P-value of a “pairwise” comparison with the first quintile of whole blood mercury.
  6. e P-value of a Wald test for the overall effect of whole blood mercury on hypertension.