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. 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 1.

Sample Demographic Characteristics (N=85)

Age CPD FTND Years
Smoking
Pre Topo
CO
Post Topo
CO
30HCOT/COT mPuff-Vol TotPuff-Vol

Gender
    Male (n = 30) 15.36(1.15) 18.05(9.97) 6.84(1.32) 3.62(1.83) 9.75(5.75) 17.74(7.29) .28(.08) 40.32(19.82) 647.95(206.5)
    Female (n = 55) 15.30(1.25) 18.83(7.60) 7.09(1.18) 3.76(2.00) 10.94(6.89) 21.37(6.61)* .35(.18)* 37.47(12.83) 571.03(196.12)
Ethnicity

    Euro. American (n = 58) 15.45(1.28) 18.84(8.40) 7.18(1.22) 3.83(2.09) 11.21(6.69) 21.10(7.06) .35(.16)** 40.87(16.63) 580.82(207.28)
    African American (n =24) 15.17(0.97) 18.32(9.00) 6.67(1.17) 3.33(1.52) 9.44(6.10) 18.63(6.67) .26(.16) 33.67(12.30) 659.52(181.56)
Total (N = 85) 15.32(1.21) 18.55(8.46) 7.00(1.23) 3.71(1.93) 10.54(6.50) 20.09(7.04) .33(.16) 38.47(15.59) 599.52(201.61)
**

p < 01

*

p < .05