Table 4

Logistic regression model investigating the relationship between abnormal morphology count and abnormally high basal estradiol

Variable (unit)
Odds ratio (CI)*

Abnormally low semen morphology (score < 2)


Abnormally high basal estradiol (< 100 pg/ml)
37.2 (2.1–655.2)
Age (years)
1.1 (0.96–1.4)
Abstinence (days)
0.98 (0.96–1.0)
Fever in the last 2 months
14.8 (0.8–273.2)
Physical abnormality
0.4 (0.02–8.5)
R2 = 0.4, n = 32


• CI : 95% Confidence interval

Dalvie and Myers Journal of Occupational Medicine and Toxicology 2006 1:21   doi:10.1186/1745-6673-1-21

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