Table 3.

Differences in Epstein Barr virus (EBV) antibody levels among controls, by risk factors for classical Kaposi sarcoma

	mean difference* (95% CI)
Cofactor	EBNA-1	VCA
Age, continuous	0.00 (-0.02 to 0.02)	0.02 (0.00 to 0.04)
Sex
Male Female	-1.21 (-1.78 to -0.64) Reference	-2.14 (-2.67 to -1.62) Reference
Smoking status
Never Former Current	-0.62 (-1.30 to 0.07) -0.82 (-1.41 to -0.23) Reference	-2.37 (-3.01 to -1.73) -1.09 (-1.64 to -0.54) Reference
Diabetes
Yes No	-0.82 (-1.29 to -0.34) Reference	-0.84 (-1.29 to -0.40) Reference
Cortisone use in last 10 years
Yes No	-0.41 (-0.89 to 0.06) Reference	-0.46 (-0.89 to -0.02) Reference
KSHV antibody status
Positive Negative	0.18 (-0.22 to 0.59) Reference	0.11 (-0.27 to 0.49) Reference

* Mean difference from multivariate linear regression models that included all variables shown.