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Table 6 Examination of the relationship between seminal plasma cadmium levels and lifestyle variables.a

From: Cadmium Concentrations in Blood and Seminal Plasma: Correlations with Sperm Number and Motility in Three Male Populations (Infertility Patients, Artificial Insemination Donors, and Unselected Volunteers)

Population Variable n r P
Group 1: Infertility patients Male age 123 0.244 <0.006
  Alcohol consumption 29 0.149 0.441, NS
  Cigarette smoking 16 −0.142 0.796, NS
  Consumption of caffeine-containing beverages 101 −0.118 0.238, NS
Group 2: AI donors Male age 11 0.266 0.429, NS
  Alcohol consumption 4 0.462 0.450, NS
  Consumption of caffeine-containing beverages 6 0.058 0.919, NS
Group 3: General population volunteers Male age 30 0.186 0.323, NS
  Alcohol consumption 16 0.098 0.713, NS
  Cigarette smoking 10 0.142 0.681, NS
  Consumption of caffeine-containing beverages 29 0.115 0.543, NS
  1. ar= Spearman correlation coefficient; NS, not significant.