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Increased risks of early sexual initiators: time makes a difference
Philippe Baumann1, Richard E Bélanger, Christina Akre
1Research Group on Adolescent Health, Institute of Social and Preventive Medicine (IUMSP), Centre Hospitalier Universitaire Vaudois, University of Lausanne, Bugnon 17, 1005 Lausanne, Switzerland.
Sexual Health
|August 20, 2011
Summary
Years since onset of sexual intercourse (YSSI) significantly impacts adolescent sexual health outcomes. Accounting for YSSI, rather than just age, reveals that early sexual initiators face fewer adverse outcomes, highlighting YSSI
Area of Science:
- Adolescent sexual health research
- Public health and epidemiology
- Sociology of adolescence
Background:
- Years since onset of sexual intercourse (YSSI) is an underutilized metric in adolescent sexual outcome studies.
- Early sexual initiation is often associated with adverse sexual health outcomes in adolescents.
- Understanding factors influencing adolescent sexual health is crucial for targeted interventions.
Purpose of the Study:
- To investigate the influence of YSSI on adverse sexual outcomes among early adolescent sexual initiators.
- To compare the predictive value of age at first sexual intercourse versus YSSI in analyzing sexual health risks.
- To identify specific sexual outcomes affected by the timing of sexual debut in adolescents.
Main Methods:
- Analysis of a nationally representative cross-sectional survey (Swiss Multicenter Adolescent Survey on Health 2002) of 7429 adolescents (16-20 years).
- Inclusion of 4388 adolescents who reported sexual intercourse, categorized into early (<16 years) and late (≥16 years) initiators.
- Logistic regression models used to analyze three sexual outcomes (≥4 partners, pregnancy, condom non-use) adjusting for personal variables, comparing age and YSSI as confounders.
Main Results:
- After adjusting for YSSI, most adverse sexual outcomes for early initiators were no longer statistically significant, except for multiple partners in females.
- Early initiators showed a reduced likelihood of condom non-use at last intercourse when YSSI was considered (females: AOR=0.59; males: AOR=0.71).
- The inclusion of YSSI as a variable provided a more nuanced understanding of sexual risk factors compared to age alone.
Conclusions:
- YSSI is a critical explanatory variable that significantly influences the interpretation of adolescent sexual health outcomes.
- Future research on adolescent sexual health should incorporate YSSI to provide more accurate and meaningful findings.
- The study underscores the importance of temporal factors in understanding adolescent sexual behaviors and risks.
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