Table 3

Exposure to solvents and risk of low active sperm (<12×106/ml) (logistic regression analysis)

Unadjusted
OR (95% CI) 		Adjusted for confounders3-150
OR (95% CI) 		Adjusted for confounders and fertility markers3-151 OR (95% CI)
Montreal:
 Exposure to solvents (v none):
  Low1.13 (0.73 to 1.75)1.21 (0.78 to 1.89)1.23 (0.78 to 1.92)
  Moderate1.72 (1.08 to 2.73)2.07 (1.24 to 3.44)2.17 (1.29 to 3.66)
  High3.05 (1.18 to 7.91)3.83 (1.37 to 10.65)3.88 (1.37 to 11.02)
CITES:
 Exposure to solvents (v none):
  Low0.96 (0.59 to 1.54)0.98 (0.61 to 1.61)1.07 (0.65 to 1.79)
  Moderate0.90 (0.53 to 1.55)1.01 (0.53 to 1.92)1.03 (0.53 to 2.03)
  High2.63 (0.93 to 7.41)2.90 (1.01 to 8.34)3.82 (1.25 to 11.69)

  • ↵3-150 Possible exposure to lead, age, and (Montreal only) date of clinic attendance.

  • ↵3-151 No record of previous pregnancy, no female abnormality found.