Determinants of 6-month oral high-risk HPV incidence in 689 HIV-negative and HIV-infected MSM participating in the H2M study (Amsterdam 2010–2012).

High-risk HPV: types 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, and 59. HPV type was included in the multivariable model, apart from the variables shown in the table.

Abbreviations: MSM  =  men who have sex with men; H2M  =  HIV & HPV in MSM; OR  =  odds ratio; aOR  =  adjusted odds ratio; 95% CI  =  95% confidence interval.

Significant results (P<0.05) are represented in bold font.

Based on Wald test (excluding missing category).

As measured at enrollment. All other variables are based on questions asked during the 6-month visit.

Participants who were not current smokers but provided no information on past smoking behavior were counted as missing.

Never smokers were included in category 0–14 pack years.

This concerns cannabis use in general (without specifying route of administration).