Table 1.

LYNX components to increase HIV/STI testing and PrEP uptake, according to the Information-Motivation-Behavior Skills model.

Goal	Information	Motivation	Behavioral skills
Increase HIV/STIa testing	Personalized HIV risk assessment; sexual history diary and partner tracking	Personalized testing reminders; HIV/STI-testing diary and personalized HIV risk score	Home-based HIV/STI-testing options and instructions; geospatial-based testing site and linkage to HIV care information
Increase PrEPb uptake	PrEP educational materials	Testimonials of peers who decided to take PrEP; impact of PrEP on Sex Pro score	Links to youth clinics offering PrEP; app-based tips for insurance/access issues; PrEP navigation through app chat function

^aSTI: sexually transmitted infection.

^bPrEP: pre-exposure prophylaxis.