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Table 1 Characteristics of study participants

From: The association between amalgam dental surfaces and urinary mercury levels in a sample of Albertans, a prevalence study

Characteristic Summary measure (N = 2137) Women (N=994) 47% Men (N=1143) 53%
Age in Years: Mean (sd) 49.3 (11.6) 49.7 (11.9) 48.9 (11.3)
1 or More Amalgams 73% 80% 67%
Mean Number of Amalgam Surfaces, inclusive of zero surfaces (sd) 12.8 (13.6) 14.4 (13.7) 11.4 (13.3)
Weight in kg: Mean (sd) 80.5 (17.4) 73.6 (16.8) 86.5 (15.6)
  Weight <74kg 40% 61% 22%
  Weight 74-90kg 33% 22% 41%
Urinary Hg (μg/g-creatinine): Mean (sd) 1.3 (1.8) 1.7 (2.3) 1.0 (1.2)
Urinary Challenge Hg (μg/g-creatinine): Mean (sd) 9.6 (12.9) 12.9 (15.1) 6.8 (9.9)
  1. Notes: sd standard deviation.