Table 1 Characteristics of Inuit participants (30–69 years) with four Greenlandic grandparents. Values are arithmetic means with a 95% CI for the mean unless stated otherwise
Men | Women | P-value* | Total | |||||
|---|---|---|---|---|---|---|---|---|
Characteristics | N | Mean (95% CI) | Total range | N | Mean (95% CI) | Total range | Mean (95% CI) | |
Age (years) | 812 | 48.8 (48.1-49.5) | 30.0-69.9 | 1049 | 46.9 (46.4-47.5) | 30.0-69.9 | <0.0001 | 47.8 (47.3-48.2) |
Systolic blood pressure (mmHg) § | 795 | 133.5 (132.2-134.8) | 86.5-234.0 | 1025 | 124.3 (123.2-125.4) | 74.0-221.0 | <0.0001 | 128.3 (127.4-129.1) |
Diastolic systolic blood pressure (mmHg) § | 795 | 81.7 (80.8-82.5) | 43.5-140.0 | 1025 | 77.3 (76.6-78.0) | 41.5-121.0 | <0.0001 | 79.2 (78.6-79.7) |
Pulse pressure (mmHg) § | 795 | 50.6 (49.7-51.5) | 20.0-134.0 | 1025 | 45.8 (45.0-46.5) | 20.0-125.0 | <0.0001 | 47.8 (47.2-48.4) |
Hypertensiona, % | 796 | 41.7 | 1029 | 31.3 | <0.0001 | 35.8 | ||
Whole blood Mercury (μg/L) § | 805 | 20.5 (19.1-22.0) | 0.4-280.0 | 1040 | 14.7 (13.8-15.6) | 0.05-170.0 | <0.0001 | 17.0 (16.2-17.8) |
Quintiles of blood mercury (μg/L)§ | b | |||||||
Quintile 1 | 161 | 4.78 (4.37-5.23) | 0.4-8.7 | 209 | 3.33 (3.00-3.70) | 0.05-6.4 | ||
Quintile 2 | 173 | 12.75 (12.38-13.13) | 8.8-17.0 | 213 | 9.20 (8.97-9.43) | 6.6-12.0 | ||
Quintile 3 | 151 | 21.65 (21.21-22.11) | 17.3-26.1 | 204 | 15.81 (15.48-16.14) | 12.2-20.1 | ||
Quintile 4 | 159 | 35.43 (34.46-36.44) | 27.0-49.0 | 206 | 26.54 (26.00-27.09) | 21.0-35.0 | ||
Quintile 5 | 161 | 81.07 (76.31-86.13) | 50.0-280.0 | 208 | 54.63 (52.01-57.38) | 36.0-170.0 | ||
Total n-3 fatty acids | 690 | 10.61 (10.27-10.94) | 1.16-22.39 | 917 | 10.5 (10.23-10.76) | 0.73-20.3 | 0.61 | 10.54 (10.34-10.75) |
Total n-6 fatty acids | 690 | 19.23 (18.88-19.59) | 6.97-31.36 | 917 | 20.04 (19.74-20.33) | 8.79-32.53 | 0.0006 | 19.69 (19.46-19.92) |
Ratio (n-3)/(n-6) § | 690 | 0.51 (0.49-0.53) | 0.07-2.11 | 917 | 0.49 (0.47-0.50) | 0.07-1.59 | 0.12 | 0.50 (0.48-0.51) |
Blood selenium (μg/L)§ | 801 | 292.41 (278.38-307.16) | 77.0-5600.0 | 1037 | 279.60 (268.97-290.65) | 68.0-4600.0 | 0.16 | 285.11 (276.52-293.98) |
Waist circumference (cm) § | 795 | 92.7 (91.8-93.5) | 64.0-160.0 | 1033 | 91.3 (90.5-92.2) | 62.5-137.8 | 0.04 | 91.9 (91.3-92.5) |