Characteristics of 689 MSM participating in the H2M study, overall and stratified by HIV status (Amsterdam, 2010–2012).

Abbreviations: MSM  =  men who have sex with men; H2M  =  HIV & HPV in MSM; IQR  =  interquartile range; cART  =  combination antiretroviral therapy.
Significant results (P<0.05) are represented in bold font.
aBased on Chi-square test (except when stated otherwise).
bBased on rank sum test.
cAs measured at enrollment. All other variables are based on questions asked during the 6-month visit.
dParticipants 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.
eThis concerns cannabis use in general (without specifying route of administration).