Association of Polymorphisms of Phase I Metabolizing Genes with Sister Chromatid Exchanges in Occupational Workers Exposed to Toluene Used in Paint Thinners

Table 4

Influence of CYP genotypes on SCE as analyzed by linear regression.

Genotype			value
Control
CYP1A1m2	0.281	0.075	0.144
CYP2E1	−0.121	0.012	0.565
Exposed
CYP1A1m2	0.776	0.376	<0.05
CYP2E1	0.798	0.335	<0.05

Unstandardised coefficient.
Model value. Regression analysis was used for the differences in SCE frequency adjusted for age, exposure duration, and consumption habits.