To identify gender differences in correlates of anticipation and initiation of sexual activity in the baseline survey of 562 African-American 5th grade students prior to initiation of a school-based pregnancy prevention intervention curriculum. Students from 16 elementary schools were administered the baseline questionnaire during classroom periods. Using these data, binary and ordered logistic regression models were used to analyze the factors affecting virginity and anticipation of sexual activity separately by gender, and tests of interaction between each factor and gender were conducted on the combined sample. More boys than girls had already had sex (18% vs. 5%) and anticipated having sexual intercourse in the next 12 months (56% vs. 22%). Boys and girls also differed in the factors that affected these outcomes. The perception that their neighborhood was safe reduced the odds that boys anticipated sexual activity but was not associated with this outcome among girls. Pubertal knowledge increased the odds of anticipation, but only among boys. Attitudes favoring abstinence decreased anticipation of sex among both genders, but slightly more among girls than boys. Having more frequent parent-child communication about sex was associated with increased anticipation among girls but decreased anticipation among boys. Curriculum based approaches to adolescent pregnancy prevention are appropriate for 5th grade elementary students who may already be anticipating sexual activity in communities with disproportionate rates of teen pregnancy. The design of the interventions should consider the differences in motivating factors by gender.
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http://dx.doi.org/10.1007/s10995-011-0879-5 | DOI Listing |
J Rural Health
January 2025
Independent Researcher, Seattle, Washington, USA.
Purpose: Few studies have examined disparities in-and social determinants of-contraception use among rural adolescents despite evidence of higher teen birth rates and greater STI risk in rural communities. Guided by a social determinants of health (SDoH) framework, this cross-sectional study aimed to address these gaps.
Methods: Data come from the 2018 Healthy Youth Survey, including N = 3757 sexually active, rural-based adolescents.
Sci Rep
December 2024
Center for Global Health and Inter-Disciplinary Research, College of Public Health, University of South Florida, Tampa, FL, USA.
Successful transmission of Plasmodium falciparum from one person to another relies on the complete intraerythrocytic development of non-pathogenic sexual gametocytes infectious for anopheline mosquitoes. Understanding the genetic factors that regulate gametocyte development is vital for identifying transmission-blocking targets in the malaria parasite life cycle. Toward this end, we conducted a forward genetic study to characterize the development of gametocytes from sexual commitment to mature stage V.
View Article and Find Full Text PDFSci Rep
December 2024
Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Drug addiction is a multifactorial syndrome in which genetic predispositions and exposure to environmental stressors constitute major risk factors for the early onset, escalation, and relapse of addictive behaviors. While it is well known that stress plays a key role in drug addiction, the genetic factors that make certain individuals particularly sensitive to stress and, thereby, more vulnerable to becoming addicted are unknown. In an effort to test a complex set of gene x environment interactions-specifically gene x chronic stress-here we leveraged a systems genetics resource: BXD recombinant inbred mice (BXD5, BXD8, BXD14, BXD22, BXD29, and BXD32) and their parental mouse lines, C57BL/6J and DBA/2J.
View Article and Find Full Text PDFPLoS One
December 2024
Department of Midwifery, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia.
Background: Street women are women, who make their living on the streets by begging, sleeping in the streets, or on the sides of roads. They are the most marginalized and neglected segment of society, with little access to health care, including modern contraception, and a lack of knowledge about health services, particularly in Ethiopia. Therefore, this study aimed to examine modern contraceptive utilization and associated factors among street women.
View Article and Find Full Text PDFPsychopharmacology (Berl)
December 2024
Evolutionary Genetics Department, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay.
Rationale: The sexual behavior of the female rat is highly motivated, and the mesocorticolimbic dopaminergic system -involved in psychostimulants effects- has been implicated in its regulation. Female rats begin to express sexual behavior during adolescence, a period during which this system is not yet mature.
Objective: To examine the impact of cocaine on sexual motivation and behavior of adolescent and adult female rats, and to determine the dopamine receptors binding in mesocorticolimbic areas of these females.
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