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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2009 Dec;18(12):3490–3496. doi: 10.1158/1055-9965.EPI-09-0763

Table 2.

Correlation between baseline HPV16 and HPV18 DNA load and self-reported smoking status

Log10 HPV16 E7 copies per 1 nanogram of cellular DNA
 Log10 HPV18 E7 copies per 1 nanogram of cellular DNA
No. Mean (SD) P-value Adjusted P-value* No. Mean (SD) P-value Adjusted P-value*
Current smoker
 No 438 2.69 (1.32) 179 3.69 (1.60)
 Yes 354 2.92 (1.34) 0.01 0.04 119 4.13 (1.68) 0.02 0.005
Smoking history
 Never 353 2.65 (1.36) 161 3.73 (1.58)
 Former 85 2.87 (1.15) 0.17 0.35 18 3.25 (1.76) 0.24 0.23
 Current 354 2.92 (1.34) 0.005 0.03 119 4.13 (1.68) 0.05 0.02
*

Adjusted for age at enrollment, race, parity, referral Pap, current use of oral contraceptives, and coinfection with other HPV types