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. 2018 Apr 15;15(4):759. doi: 10.3390/ijerph15040759

Table 1.

Clinical Factors and Quartiles of Exposure.

Variables Quartile 1
(0–2 µg/dL)
Quartile 2
(2–5 µg/dL)
Quartile 3
(5–10 µg/dL)
Quartile 4
(10+ µg/dL)
Age * 44.25 (0.32) 56.05 (0.54) 54.77 (1.13) 47.56 (2.56)
BMI 25.79 (0.17) 25.91 (0.18) 26.06 (0.49) 26.40 (0.92)
BLL 1.09 (0.01) 2.78 (0.02) 6.40 (0.10) 16.11 (1.40)
SBP ** 119.56 (0.31) 126.39 (0.57) 127.75 (1.71) 126.37 (5.09)
DBP *** 69.9 (0.38) 70.54 (0.40) 70.07 (0.87) 76.36 (1.75)
CRP + 0.38 (0.01) 0.41 (0.02) 0.46 (0.07) 0.26 (0.04)
Triglycerides ++ 128.41 (2.16) 141.69 (4.11) 135.61 (10.41) 184.64 (20.72)
Total Cholesterol +++ 194.75 (0.67) 203.58 (0.89) 202.28 (3.25) 203.39 (6.78)
LDL Cholesterol # 114.67 (0.82) 121.67 (1.18) 118.02(4.59) 128.05 (6.29)
HDL Cholesterol ## 52.03 (0.34) 53.47 (0.51) 51.79 (1.18) 50.19 (4.16)

* p < 0.05 Significant difference between quartile 1 and 2, 3.** p < 0.05 significant difference between quartile 1, when compared to 2, 3; *** p < 0.05 significant difference between quartile 1 when compared to 4; + p < 0.05 significant difference between quartile 1 and quartile 3; ++ p < 0.05 significant difference between quartile 1 and 2, 4; +++ p < 0.05 significant difference between quartile 1 and 2, 3; # p < 0.05 significant difference between quartile 1 and 2, 4; ## p < 0.05 significant positive between quartile 1 and 2.