Baseline characteristics of 747 MSM participating in the H2M study, overall and stratified by HIV status (Amsterdam, 2010–2011).^a

<p>Abbreviations: MSM = men who have sex with men; H2M = HIV & HPV in MSM; IQR = interquartile range; cART = combination antiretroviral therapy.</p><p>Significant results (<i>P</i><0.05) are represented in bold font.</p>a<p>Numbers do not always add up to the total because of missing values.</p>b<p>Based on Chi-square test (except when stated otherwise).</p>c<p>Based on rank-sum test.</p>d<p>Smoking status of participants who were not current smokers but provided no information on past smoking behavior was regarded as missing.