Latent Class Profile: 3-Class Model
Conditional probabilities shown for yes/higher-risk category; descriptive summaries shown as mean [median, IQR]
Indicator / Summary Measure	Class 1 (n = 334)	Class 2 (n = 78)	Class 3 (n = 73)
Conditional item-response probabilities
>3 sexual partners	33.1%	80.5%	100%
Reported gay/bisexual identity	95.7%	93.6%	88.6%
Any injection drug use	2.2%	8.4%	0%
Any exchange sex	0%	86.8%	0%
Male sexual debut <=16	47.7%	54.6%	52.3%
Any bacterial STI diagnosis	12.9%	31.7%	61.6%
Mpox vaccination or diagnosis	30.6%	37.3%	74.1%
Class descriptive summaries
Total sexual partners, mean [median, IQR]	6.1 [median: 3, IQR: 1.8-5]	25 [median: 10, IQR: 4-24]	20.1 [median: 10, IQR: 6-19]
Age at male sexual debut, mean [median, IQR]	16.9 [median: 17, IQR: 14-19]	16.7 [median: 16, IQR: 13-19]	16.5 [median: 16, IQR: 13.8-18]