Table 3. Serum concentrations (μg/kg lipid) of selected organochlorine pesticides (OCPs) among participants in the study.
| p,p'-DDE | Trans-nonachlor | Oxy-chlordane | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Median (25;75) | pa | pb | Median (25;75) | pa | pb | Median (25;75) | pa | pb | ||
| All participants | 2300 (1100;3800) | 1100 (430;1600) | 650 (220;1100) | |||||||
| Ethnicity | Non-Inuit | 350 (180;580) | 25 (15;46) | 14 (9.6;22) | ||||||
| Inuit | 2700 (1800;4300) | <0.001 | 1300 (845;1800) | <0.001 | 795 (450;1200) | <0.001 | ||||
| Age | 50–59 years | 2100 (890;3500) | 950 (230;1500) | 565 (86;1000) | ||||||
| 60–69 years | 2700 (1700;4200) | <0.001 | 1300 (770;1800) | <0.001 | 780 (370;1200) | <0.001 | ||||
| Gender | Men | 2300 (865;3600) | 1100 (260;1600) | 675 (93;1100) | ||||||
| Women | 2300 (1400;4200) | 0.048 | 990 (555;1600) | ns | 640 (270;1100) | ns | ||||
| Residence | City | 1400 (630;2400) | 550 (85;970) | 260 (44;460) | ||||||
| Town | 2600 (2300;5100) | 1250 (730;1700) | 790 (410;1100) | |||||||
| Settlement | 3300 (2300;5100) | <0.001 | <0.001 | 1600 (1100;2000) | <0.001 | <0.001 | 1200 (820;1500) | <0.001 | <0.001 | |
| BMIc | Normal | 2500 (1400;3750) | 1200 (660;1700) | 805 (350;1200) | ||||||
| Overweight | 2100 (645;3400) | 880 (130;1500) | 485 (54;960) | |||||||
| Obese | 2600 (1400;4600) | 0.031 | ns | 980 (440;1600) | 0.004 | 0.008 | 550 (220;1000) | <0.001 | 0.001 | |
| Smoking | Never | 2100 (630;4200) | 750 (54;1300) | 350 (28;900) | ||||||
| Past | 2200 (650;3700) | 900 (160;1500) | 530 (73;1100) | |||||||
| Present | 2300 (1400;3700) | ns | ns | 1100 (620;1700) | <0.001 | <0.001 | 720 (300;1100) | <0.001 | <0.001 | |
| Alcohold | 0–7 | 2400 (1200;3900) | 1100 (490;1700) | 680 (240;1100) | ||||||
| 0–14 | 2050 (1100;3400) | 995 (400;1600) | 585 (175;1100) | |||||||
| 15+ | 2100 (1200;3700) | ns | ns | 1100 (325;1500) | ns | ns | 700 (145;1000) | ns | ns | |
| Greenlandic diet | 80%+ | 3200 (2300;4800) | 1500 (1100;2000) | 1000 (720;1400) | ||||||
| 60–79% | 2400 (1600;3900) | 1100 (730;1500) | 675 (360;970) | |||||||
| 40–59% | 1800 (1000;2900) | 700 (330;1000) | 330 (140;600) | |||||||
| 20–39% | 570 (330;960) | 50 (25;220) | 25 (14;91) | |||||||
| <20% | 260 (180;580) | <0.001 | <0.001 | 19 (13;37) | <0.001 | <0.001 | 11 (8.5;22) | <0.001 | <0.001 | |
| Diet from own catch | Weekly | 3100 (2100;4600) | 1400 (990;1900) | 910 (630;1300) | ||||||
| Monthly | 2200 (1200;3650) | 1000 (405;1600) | 620 (180;1100) | |||||||
| Rarely | 1200 (520;2700) | <0.001 | <0.001 | 570 (36;1250) | <0.001 | <0.001 | 260 (21;705) | <0.001 | <0.001 |
ns: p>0.10.
a Groups were compared using Mann-Whitney U test for comparison of levels between two groups and Kruskal-Wallis test for levelsbetween several groups.
b Kendall's tau coefficient for trend.
c Normal corresponds to a BMI between 18.50 and 24.99 kg/m2; overweight corresponds to a BMI between 25 and 29.99 kg/m2 and obese corresponds to a BMI above 30 kg/m2.
d Units per week, one unit equals 8g alcohol.