Investigating Trivariate Associations Between Risky Sexual Behavior, Internalizing Problems, and Externalizing...

Area of Science:

• Psychology
• Behavioral Science
• Genetics

Background:

• Risky sexual behavior (RSB) is associated with externalizing problems and substance use.
• Previous research suggests a link between RSB and internalizing problems (INT).
• The interplay between RSB, INT, and externalizing problems (EXT) requires further investigation, particularly controlling for the correlation between INT and EXT.

Purpose of the Study:

• To investigate the phenotypic and genetic relationships between RSB, INT, and EXT.
• To examine potential sex differences in the relationships between these constructs.
• To determine if the association between RSB and INT persists after accounting for EXT.

Main Methods:

• Utilized a twin sample (N=2,544) from Colorado.
• Employed phenotypic confirmatory factor analysis.
• Conducted multivariate twin analyses to assess phenotypic and genetic relationships.

Main Results:

• Significant phenotypic relationships were observed among RSB, INT, and EXT.
• Modest evidence suggests a significant association between RSB and INT in males, even when controlling for EXT.
• The hypothesis regarding sex differences in the RSB-INT and RSB-EXT relationships was not fully supported, though effect directions were as hypothesized for RSB-INT.

Conclusions:

• The relationship between risky sexual behavior and internalizing problems is complex.
• Findings provide cautious support for an association between RSB and INT in males, independent of externalizing problems.
• Further research is needed to understand the nuanced relationships and implications for public health interventions.