. Author manuscript; available in PMC: 2010 May 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2009 May;18(5):1578–1583. doi: 10.1158/1055-9965.EPI-08-0592

Table 2.

Unstandardized regression coefficient (B), standard error, and standardized regression coefficients (β) for the total sample (N=85) and stratified samples (controlling for hormonal contraception use when applicable)

	METABOLISM

DEPENDENT VARIABLE		B	SE B	β
Total
	mPuff-Vol	2.188	1.029	.237^*
	mPuff-Dur	−.432	.411	−.119
	mPuff-lnter	.993	1.079	.102
	mPuff-Vel	.319	.361	..102
	totPuff-Vol	183.923	171.007	.121
Male (n=30)
	mPuff-Vol	9.572	3.404	.469^**
	mPuff-Dur	−2.049	.992	−.363^*
	mPuff-lnter	−.436	2.644	−.031
	mPuff-Vel	1.623	1.230	.242
	totPuff-Vol	−6.750	10.692	−.147
Female (n=55)
	mPuff-Vol	1.357	.866	.202
	mPuff-Dur	−..309	.443	−.095
	mPuff-lnter	.945	1.196	.103
	mPuff-Vel	.148	.351	.060
	totPuff-Vol	189.850	159.139	.153
Euro. American
	mPuff-Vol	.1.579	1.376	.156
	mPuff-Dur	−.260	.554	−.066
	mPuff-lnter	1.648	1.564	.142
	mPuff-Vel	.295	.461	.090
	totPuff-Vol	105.294	217.406	.066
African American
	mPuff-Vol	2.215	1.697	.268
	mPuff-Dur	−.696	.707	−.205
	mPuff-lnter	−1.503	1.240	−.250
	mPuff-Vel	−.342	.616	−.118
	totPuff-Vol	140.310	307.284	.126

^**

p < .01

p < .05