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25 result(s) for "D. Hallfors, Denise"
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Voluntary medical male circumcision for HIV prevention among adolescents in Kenya: Unintended consequences of pursuing service-delivery targets
Voluntary medical male circumcision (VMMC) provides significant reductions in the risk of female-to-male HIV transmission. Since 2007, VMMC has been a key component of the United States President's Emergency Plan for AIDS Relief's (PEPFAR) strategy to mitigate the HIV epidemic in countries with high HIV prevalence and low circumcision rates. To ensure intended effects, PEPFAR sets ambitious annual circumcision targets and provides funding to implementation partners to deliver local VMMC services. In Kenya to date, 1.9 million males have been circumcised; in 2017, 60% of circumcisions were among 10-14-year-olds. We conducted a qualitative field study to learn more about VMMC program implementation in Kenya. The study setting was a region in Kenya with high HIV prevalence and low male circumcision rates. From March 2017 through April 2018, we carried out in-depth interviews with 29 VMMC stakeholders, including \"mobilizers\", HIV counselors, clinical providers, schoolteachers, and policy professionals. Additionally, we undertook observation sessions at 14 VMMC clinics while services were provided and observed mobilization activities at 13 community venues including, two schools, four public marketplaces, two fishing villages, and five inland villages. Analysis of interview transcripts and observation field notes revealed multiple unintended consequences linked to the pursuit of targets. Ebbs and flows in the availability of school-age youths together with the drive to meet targets may result in increased burdens on clinics, long waits for care, potentially misleading mobilization practices, and deviations from the standard of care. Our findings indicate shortcomings in the quality of procedures in VMMC programs in a low-resource setting, and more importantly, that the pursuit of ambitious public health targets may lead to compromised service delivery and protocol adherence. There is a need to develop improved or alternative systems to balance the goal of increasing service uptake with the responsible conduct of VMMC.
Sexual Behavior and Drug Use Among Asian and Latino Adolescents: Association with Immigrant Status
This paper contributes new evidence on the association between immigrant status and health by describing and attempting to explain patterns of co-occurring sex and drug use behaviors among Asian and Latino adolescents in the United States. Nine patterns of sex and drug use behaviors were identified from a cluster analysis of data from 3,924 Asian and Latino youth (grades 7-12) who participated in the National Longitudinal Study of Adolescent Health (Add Health). The relationship between immigrant status and risk cluster membership was evaluated with multinomial logistic regression. Compared to foreign-born youth, U.S. born Asian and Latino adolescents were more likely to engage in sex and drug risk behaviors. Family and residential characteristics associated with immigrant status partly accounted for this finding. The results indicate that among Asian and Latino adolescents, assimilation to U.S. risk behavior norms occurs rapidly and is evident by the second generation.
Consent Challenges and Psychosocial Distress in the Scale-up of Voluntary Medical Male Circumcision Among Adolescents in Western Kenya
In priority sub-Saharan African countries, on the ground observations suggest that the success of voluntary medical male circumcision (VMMC) programs should not be based solely on numbers of males circumcised. We identify gaps in the consent process and poor psychosocial outcomes among a key target group: male adolescents. We assessed compliance with consent and assent requirements for VMMC in western Kenya among males aged 15–19 (N = 1939). We also examined differences in quality of life, depression, and anticipated HIV stigma between uncircumcised and circumcised adolescents. A substantial proportion reported receiving VMMC services as minors without parent/guardian consent. In addition, uncircumcised males were significantly more likely than their circumcised peers to have poor quality of life and symptoms of depression. Careful monitoring of male adolescents’ well-being is needed in large-scale VMMC programs. There is also urgent need for research to identify effective strategies to address gaps in the delivery of VMMC services.
Evaluation of Herpes Simplex Virus Type 2 Serological Tests for Use With Dried Blood Spots in Kenya
We evaluated 2 assays to detect antibodies to herpes simplex virus type 2 in dried blood spots prepared from blood specimens submitted to a reference laboratory in Kenya. Dried blood spots did not perform well with the Kalon herpes simplex virus type 2 assay. Focus HerpeSelect 2 was 98.8% sensitive and 98.9% specific with dried blood spots.
Does Federal Policy Support the Use of Scientific Evidence in School-Based Prevention Programs?
Since 1998, federal policy has explicitly required the use of \"evidence-based\" prevention programs in schools. We review how this policy has been implemented through state recipients of the Safe and Drug Free Schools (SDFS) Program, and how other federal and private agencies have supported the policy by providing guidance about the scientific evidence for specific programs' effectiveness. We report data from a survey of SDFS state office directors, and we compare and contrast the most popular lists of effective programs. State offices supply the infrastructure for administering the SDFS Program, providing technical assistance to local school districts, monitoring the implementation of federal policy at the local level, and determining funding eligibility based on compliance. We found that states rely heavily on federal lists to determine whether school districts are meeting federal policy requirements, particularly the National Registry of Effective Programs and Practices (NREPP). Both SDFS and NREPP are changing, however, and the changes do not bode well for the transfer of prevention science to schools. Conclusions and recommendations are presented.
Process and Outcome Evaluation of a Community Intervention for Orphan Adolescents in Western Kenya
We conducted a 2-year pilot randomized controlled trial (N = 105) in a high HIV-prevalence area in rural western Kenya to test whether providing young orphan adolescents with uniforms, school fees, and community visitors improves school retention and reduces HIV risk factors. The trial was a community intervention, limited to one community. In this paper, we examined intervention implementation and its association with outcomes using longitudinal data. We used both quantitative and qualitative methods to evaluate the community-based model for orphan HIV prevention, with recommendations for future studies. Despite promising effects after 1 year, GEE analyses showed null effects after 2 years. Volunteer community visitors, a key element of the intervention, showed little of the expected effect although qualitative reports documented active assistance to prevent orphans’ school absence. For future research, we recommend capturing the transition to high school, a larger sample size, and biomarker data to add strength to the research design. We also recommend a school-based intervention approach to improve implementation and reduce infrastructure costs. Finally, we recommend evaluating nurses as agents for improving school attendance and preventing dropout because of their unique ability to address critical biopsychosocial problems.
Gene-Environment Contributions to Young Adult Sexual Partnering
To date, there has been relatively little work on gene-environment contributions to human sexuality, especially molecular analyses examining the potential contributions of specific polymorphisms in conjunction with life experiences. Using Wave III data from 717 heterozygous young adult sibling pairs included in the National Longitudinal Study of Adolescent Health, this article examined the combined contributions of attendance at religious services and three genetic polymorphisms (in the dopamine D4 receptor [DRD4]), dopamine D2 receptor [DRD2]), and the serotonin transporter promoter [5HTT]) to sensation seeking, a personality construct related to sexual behavior, and the number of vaginal sex partners participants had in the year before interview. Data analyses used an Allison mixed model approach to account for population stratification and correlated observations. DRD4 was unrelated to sensation seeking and to the number of sex partners in tests of both main effects and in interaction with religious attendance. Contrary to hypothesis, presence of the A1 DRD2 allele was associated with having had fewer sex partners in the past year. Associations between the 5HTT allele and sex partners varied by religious attendance, but again the patterns of associations were contrary to hypothesized relationships and were small in magnitude. These findings underscore the necessity of using more comprehensive multiple gene-multiple life experience approaches to investigations of complex behaviors such as sexual patterns.
Implementing Evidence-Based Substance Use Prevention Curricula in North Carolina Public School Districts
: The Safe and Drug‐Free Schools and Communities Act (SDFSCA) provides funding for prevention education to nearly every school district in the nation. Recent federal policy requires SDFSCA recipients to implement evidence‐based prevention programs. This paper reports the extent to which North Carolina public school districts implement evidence‐based substance use prevention curricula. Results showed that while the majority of school districts use evidence‐based prevention curricula, they are rarely the most commonly used curricula. Evidence‐based curricula are much more likely to be used at the middle school level than at the elementary or high school levels. Urbanicity, coordinator time, and coordinator experience correlated with extensive use of evidence‐based curricula in the bivariate analysis, but only time spent on prevention by the Safe and Drug‐Free Schools (SDFS) coordinator significantly predicted extensive use in the multivariate analysis. Increasing district SDFSCA coordinator time is a necessary step for diffusing evidence‐based curricula. (J Sch Health. 2004;74(9):353–358)
Evaluation of HSV-2 serological tests for use with dried blood spots in Kenya
We evaluated two assays to detect antibodies to HSV- 2 in dried blood spots (DBS) prepared from blood specimens submitted to a reference laboratory in Kenya. DBS did not perform well with the Kalon HSV-2 assay. Focus HerpeSelect 2 was 98.8% sensitive and 98.9% specific with dried blood spots.