Use of a Prospective Sex Diary to Study Anal Lubricant and Enema Use Among High Risk Men Who Have Sex With Men-Implications for Human Immunodeficiency Virus Prevention.

Longitudinal data on episodes of receptive anal intercourse (RAI), lubricant, and enema use in 41 sexually active men who have sex with men were collected using a prospective sex diary. Data on 550 episodes of RAI showed that lubricants were used in 489 (88.9%) of 550 episodes and enemas were used in 165 (30%) of 550 RAI episodes.