What This Means
This research used a large, nationally representative survey of over 30,000 U.S. high school students to examine which behaviors — including substance use and sexual practices — were associated with whether teenagers had ever been tested for HIV or other sexually transmitted infections (STIs). The researchers looked separately at boys and girls, and accounted for factors like age, race, drug and alcohol use before sex, condom use, and number of sexual partners.
The study found some striking differences between male and female students. For girls, using substances like alcohol, cannabis, or e-cigarettes was associated with higher likelihood of having been tested for HIV or STIs, but this same connection was not seen in boys. Perhaps more concerning, girls who reported not using condoms during sex were actually less likely to have been tested — meaning those at potentially higher risk were less likely to know their status. Among boys, those who identified as multiracial had higher odds of having been tested for HIV.
This research suggests that current HIV and STI testing efforts may not be reaching all adolescents equally, and that one-size-fits-all approaches are likely insufficient. The findings point to the need for testing programs that are tailored by gender and that address substance use and sexual health together, rather than treating them as separate issues. Removing barriers to testing — particularly for males and for young people engaging in condomless sex — may be an important public health priority.