Figure 1.

Using data from the MSM Internet Survey Ireland (MISI) and French pre-exposure prophylaxis (PrEP) criteria to estimate the proportion of MISI respondents eligible for HIV PrEP, Ireland, 2017 (n =  3,045 survey respondents)

CAI: condomless anal intercourse; PrEP: pre-exposure prophylaxis; STI: sexually transmissible infection; MISI: Men who have sex with men Internet Survey Ireland (MISI).

Criteria for receiving PrEP in France have been previously described [8,9].

^a Number of men who reported to be HIV negative or did not know their HIV status.

^b This criterion is the closest fit in the MISI survey to the French PrEP eligibility criterion ‘CAI with two or more partners in the past six months’.

^c This criterion is the closest fit in the MISI survey to the French PrEP eligibility criterion ‘multiple post-exposure prophylaxis (PEP) in the past 12 months’.

^d Crystal methamphetamine, gammahydroxybutrate (GHB) or gamma-butyrolactone (GBL), mephedrone, ketamine.

^e This criterion is the closest fit in the MISI survey to the French PrEP eligibility criterion ‘use of drugs during sexual intercourse’.