Usability Testing an mHealth Program with Tailored Motivational Messages for Early Adolescents.

Obesity among children is a rising concern throughout the world. In the U.S.

College students and HIV testing: cognitive, emotional self-efficacy, motivational and communication factors.

Most college students have never been tested for HIV, even though they regularly have unprotected sex and multiple sex partners. Theory-based research addressing factors influencing HIV testing among college students is limited. This study explored this topic via a conceptual framework that integrates the health belief model with emotion and communication factors.