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. Author manuscript; available in PMC: 2015 Dec 30.
Published in final edited form as: J Toxicol Environ Health A. 2015;78(2):78–91. doi: 10.1080/15287394.2014.941965

TABLE 1.

Models explaining variations in contaminant levels in bird eggs collected in 2012 from New York / New Jersey harbor estuary. Metals data was log transformed for normality. NS = not significant

Arsenic Cadmium Chromium Lead Mercury Selenium
Model
 F 4.6 1.6 4.1 3.8 32.3 15.6
 df 12 12 12 12 12 12
 P <0.0001 NS <0.0001 0.0001 <0.0001 <0.0001
 r2 0.40 0.19 0.39 0.35 0.83 0.69
Factors entering
F (p)
 Location 3.9 (0.006) 3.6 (0.01) 10.9 (<0.0001) 2.2 (0.08) 10.9 (<0.0001) 3.0 (0.02)
 Species 6.2 (<0.0001) NS 2.3 (0.05) 6.7 (<0.0001) 68.2 (<0.0001 25.4 (<0.0001)
 Location X Species 3.2 (0.03) NS 2.8 (0.04) NS 2.7 (0.05) 2.8 (0.05)