Table 2.

Search strategy concept blocks.

Concept block	MeSH terms	Title and abstract terms	Additional terms
Adolescent	Adolescent, young adult	Adolescent, youth, young people, young adult	Teenager, teen
New media	Social media, cell phone, internet, telemedicine, text messaging, multimedia, mobile applications, smartphone	Social media, new digital media, internet, mobile phones, text messaging, Facebook, instant messaging, multimedia, online social networks, computer, technology, mobile health, smartphone, Web 2.0, eHealth, mHealtha, SMS	Apps, SNSb, social networking sites
Sexual health	Risk reduction behavior, safe sex, sexually transmitted diseases, condoms, HIV infections, sex education, sexual behavior	Risk reduction, sexual health, HIV/STIc risk, HIV prevention, sexually transmitted diseases, sexual practices, sexually transmitted infection	N/Ad
African American	African American	African American	Black, minority group

^amHealth: mobile health.

^bSNS: social networking site.

^cSTI: sexually transmitted infection.

^dN/A: not applicable.