Predicting Primary and Secondary Abstinence Among Adolescent Boys and Girls in the Western Cape, South Africa
Outcomes: Human Immunodeficiency Virus, Sexual and Reproductive Health
View SourceKey Social Norms Take-aways Social norms are critical predictors of adolescents’ intentions to abstain from sex, particularly among those who have not yet initiated sexual activity. The study demonstrates that social norms supporting abstinence influence youth intentions more effectively than risk perception or knowledge alone. This suggests that interventions aiming to delay sexual debut should prioritize shifting peer, parental, and partner expectations regarding sexual behavior. Normative beliefs, when internalized, appear to form the foundation for abstinence-related attitudes and decisions, especially before sexual initiation.
Objectives The study aims to identify socio-cognitive predictors of primary and secondary sexual abstinence among adolescents in South Africa and assess whether awareness factors like knowledge and risk perception are directly or indirectly associated with intentions to abstain from sex.
Methods Using a longitudinal design, 1,670 students aged 12–16 from 20 randomly selected public schools in the Western Cape completed a survey at baseline and again six months later. The study applied regression analysis and structural equation modeling (SEM) to evaluate socio-cognitive factors—including attitudes (pros and cons of abstinence), social norms, self-efficacy, knowledge, and risk perception—and their direct and indirect associations with intentions and behaviors.
Results Among sexually inactive adolescents, strong social norms and lower perceived disadvantages (cons) of abstinence predicted intentions to abstain from sex. For girls, additional predictors included risk perception and self-efficacy. Knowledge was not a consistent predictor of behavior, and its effects were not mediated through other factors. Among adolescents already sexually active, motivational factors (e.g., attitude, norms) were less predictive of abstinence. Structural models confirmed that risk perception influences intentions indirectly through attitudes and norms.
Conclusions Motivational factors—particularly social norms and perceived consequences of abstinence—are key to promoting abstinence intentions before sexual debut. Risk perception operates indirectly, shaping motivation but not behavior directly. Knowledge alone does not drive behavioral change. The study suggests that interventions should focus on modifying normative beliefs and attitudes before sexual debut and employ skill-building strategies after debut to support sustained behavior change.
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