20 research outputs found

    Perceived Risks Associated with Contraceptive Method Use among Men and Women in Ibadan and Kaduna, Nigeria

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    Research shows that side effects are often the most common reason for contraceptive non-use in Nigeria; however, research to date has not explored the underlying factors that influence risk and benefit perceptions associated with specific contraceptive methods in Nigeria. A qualitative study design using focus group discussions was used to explore social attitudes and beliefs about family planning methods in Ibadan and Kaduna, Nigeria. A total of 26 focus group discussions were held in 2010 with men and women of reproductive age, disaggregated by city, sex, age, marital status, neighborhood socioeconomic status, and—for women only—family planning experience. A discussion guide was used that included specific questions about the perceived risks and benefits associated with the use of six different family planning methods. A thematic content analytic approach guided the analysis. Participants identified a spectrum of risks encompassing perceived threats to health (both real and fictitious) and social concerns, as well as benefits associated with each method. By exploring Nigerian perspectives on the risks and benefits associated with specific family planning methods, programs aiming to increase contraceptive use in Nigeria can be better equipped to highlight recognized benefits, address specific concerns, and work to dispel misperceptions associated with each family planning method

    DNA Barcoding Bromeliaceae: Achievements and Pitfalls

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    <div><h3>Background</h3><p>DNA barcoding has been successfully established in animals as a tool for organismal identification and taxonomic clarification. Slower nucleotide substitution rates in plant genomes have made the selection of a DNA barcode for land plants a much more difficult task. The Plant Working Group of the Consortium for the Barcode of Life (CBOL) recommended the two-marker combination <em>rbcL</em>/<em>matK</em> as a pragmatic solution to a complex trade-off between universality, sequence quality, discrimination, and cost.</p> <h3>Methodology/Principal Findings</h3><p>It is expected that a system based on any one, or a small number of plastid genes will fail within certain taxonomic groups with low amounts of plastid variation, while performing well in others. We tested the effectiveness of the proposed CBOL Plant Working Group barcoding <em>markers</em> for land plants in identifying 46 bromeliad species, a group rich in endemic species from the endangered Brazilian Atlantic Rainforest. Although we obtained high quality sequences with the suggested primers, species discrimination in our data set was only 43.48%. Addition of a third marker, <em>trnH–psbA</em>, did not show significant improvement. This species identification failure in Bromeliaceaecould also be seen in the analysis of the GenBank's <em>matK</em> data set. Bromeliaceae's sequence divergence was almost three times lower than the observed for Asteraceae and Orchidaceae. This low variation rate also resulted in poorly resolved tree topologies. Among the three Bromeliaceae subfamilies sampled, Tillandsioideae was the only one recovered as a monophyletic group with high bootstrap value (98.6%). Species paraphyly was a common feature in our sampling.</p> <h3>Conclusions/Significance</h3><p>Our results show that although DNA barcoding is an important tool for biodiversity assessment, it tends to fail in taxonomy complicated and recently diverged plant groups, such as Bromeliaceae. Additional research might be needed to develop markers capable to discriminate species in these complex botanical groups.</p> </div

    Updated international tuberous sclerosis complex diagnostic criteria and surveillance and management recommendations

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    Background Tuberous sclerosis complex (TSC) is an autosomal dominant genetic disease affecting multiple body systems with wide variability in presentation. In 2013, Pediatric Neurology published articles outlining updated diagnostic criteria and recommendations for surveillance and management of disease manifestations. Advances in knowledge and approvals of new therapies necessitated a revision of those criteria and recommendations. Methods Chairs and working group cochairs from the 2012 International TSC Consensus Group were invited to meet face-to-face over two days at the 2018 World TSC Conference on July 25 and 26 in Dallas, TX, USA. Before the meeting, working group cochairs worked with group members via e-mail and telephone to (1) review TSC literature since the 2013 publication, (2) confirm or amend prior recommendations, and (3) provide new recommendations as required. Results Only two changes were made to clinical diagnostic criteria reported in 2013: “multiple cortical tubers and/or radial migration lines” replaced the more general term “cortical dysplasias,” and sclerotic bone lesions were reinstated as a minor criterion. Genetic diagnostic criteria were reaffirmed, including highlighting recent findings that some individuals with TSC are genetically mosaic for variants in TSC1 or TSC2. Changes to surveillance and management criteria largely reflected increased emphasis on early screening for electroencephalographic abnormalities, enhanced surveillance and management of TSC-associated neuropsychiatric disorders, and new medication approvals. Conclusions Updated TSC diagnostic criteria and surveillance and management recommendations presented here should provide an improved framework for optimal care of those living with TSC and their families

    SEXUAL NORMS, GENDER ROLE BELIEFS, CONDOM ATTITUDES AND SEXUAL BEHAVIORS AMONG YOUTH IN HANOI, SHANGHAI AND TAIPEI

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    Background Health behaviors are increasingly being understood through the lens of attitudes and beliefs that contribute to them. Youth in Asia face a world very different from that of their parents, however there is a dearth of research on sexual and reproductive health issues among Asian youth. Understanding the ways in which attitudes and beliefs shape sexual behaviors is an important first step in designing appropriate programming that empowers Asian youth to live healthy lives. Methods Using data from unmarried youth surveyed in the Three Cities Study of Hanoi, Shanghai and Taipei, I conducted exploratory, confirmatory and multiple group factor analyses to develop and examine scales for gender role beliefs, sexual norms and condom attitudes. Through these analyses I proposed and confirmed the factor structure of each latent construct, tested the fit of the models, and evaluated the heterogeneity of each scale by city, sex, and city and sex groupings. I used logistic regression analyses to examine the association of sexual norms and gender role beliefs with sexual experience on all unmarried youth. I performed multiple logistic regression modeling to examine the association between condom attitudes and condom use at first and last sex among all sexually experienced, unmarried youth. Results Exploratory analyses revealed a four item sexual norms scale, a three item gender role beliefs scale, and a four item condom attitudes scale, each showing acceptable reliability. Confirmatory analyses of both gender role beliefs and sexual norms showed acceptable fit, while sexual norms showed less than acceptable model fit. Multiple group analyses showed gender role beliefs to vary distinctly by city, sex, and city and sex grouping. Multiple group analyses showed that while condom attitudes appear to be invariant across sex, they vary by city and city and sex group. Sexual norms is a more powerful correlate of sexual activity than gender role beliefs. The association between sexual norms and sexual experience is greater among young women than young men, and in less developed contexts compared to more developed contexts. Condom attitudes have no significant association with condom use at first sex for any of the six groups. Attitudes towards condoms are a significant factor in condom use at last sex among young men in Taipei only. Condom use at first sex is the most salient factor in condom use at last sex, but this relationship varies by city and sex group. Conclusions This dissertation provides an in-depth and cross-cultural analysis of the respective influences of gender role beliefs, sexual norms and condom attitudes on sexual activity and condom use among youth in Hanoi, Shanghai and Taipei. While both gender and sexual norms are important factors in sexual activity, condom attitudes play less of a role in shaping condom use patterns. By highlighting the differences and commonalities in how knowledge, attitudes and beliefs and the relationship of each to sexual behaviors differ among male and female youth in three different Asian settings, this dissertation provides a basis for responding to Asian youth’s sexual and reproductive health needs

    Facilitators and Barriers to Healthy Eating Among American Indian and Alaska Native Adults with Type 2 Diabetes: Stakeholder Perspectives

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    Background: American Indian and Alaska Native (AI/AN) adults have a higher prevalence of type 2 diabetes (T2D) and related complications than non-AI/AN adults. As healthy eating is a cornerstone of diabetes self-management, nutrition education plays an important role in diabetes self-management education. Objective: To understand stakeholder perspectives on facilitators and barriers to healthy eating for AI/AN adults with T2D in order to inform the cultural adaptation of an existing diabetes nutrition education curriculum. Methods: Individual interviews were conducted with 9 national content experts in diabetes nutrition education (e.g. registered dietitians, diabetes educators, experts on AI/AN food insecurity) and 10 community-based key informants, including tribal health administrators, nutrition/diabetes educators, Native elders, and tribal leaders. Four focus groups were conducted with AI/AN adults with T2D (n = 29) and 4 focus groups were conducted with their family members (n = 22). Focus groups and community-based key informant interviews were conducted at 4 urban and reservation sites in the USA. Focus groups and interviews were recorded and transcribed verbatim. We employed the constant comparison method for data analysis and used Atlas.ti (Mac version 8.0) to digitalize the analytic process. Results: Three key themes emerged. First, a diabetes nutrition education program for AI/ANs should accommodate diversity across AI/AN communities. Second, it is important to build on AI/AN strengths and facilitators to healthy eating (e.g. strong community and family support systems, traditional foods, and food acquisition and preparation practices). Third, it is important to address barriers to healthy eating (e.g. food insecurity, challenges to preparation of home-cooked meals, excessive access to processed and fast food, competing priorities and stressors, loss of access to traditional foods, and traditional food-acquisition practices and preparation) and provide resources and strategies for mitigating these barriers. Conclusions: Findings were used to inform the cultural adaptation of a nutrition education program for AI/AN adults with T2D. Curr Dev Nutr 2021;5:nzaa114

    Teens Reflect on Their Sources of Contraceptive Information

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    Based on semistructured interviews with a racially and ethnically diverse sample of 58 U.S. high school students, this study examines teens’ exposure to contraceptive information from a range of sources and the extent to which they trust this information. Teens report exposure to contraceptive information from many individuals and places, most commonly school, family, and friends. Few teens rely on the Internet for contraceptive information, and most are wary of this source. The authors identify two themes that characterized teens’ discussions: wariness about hormonal methods, and the compatibility of contraception and abstinence messages. The findings suggest ways that schools, a common and trusted source of sexual health information for teens, could better improve students’ access to accurate contraceptive information. </jats:p

    Understanding young women’s experiences of gender inequality in Lucknow, Uttar Pradesh through story circles

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    Gender inequality poses grave consequences for young women’s health and wellbeing. The aim of this study was to understand how gender influences the lives of young women living in urban slums of Lucknow, Uttar Pradesh, India using story circles as a research methodology. Narrative-based participatory methods like story circles (which involves sharing individual stories in a group circle on a given topic) can provide the nuance and detail needed to understand young people’s experiences, build trust between participants and researchers, and offer spaces to speak about culturally sensitive subjects. Six story circle sessions were conducted with 50 young women (aged 15–24) in Lucknow. Sessions were audio-recorded, transcribed, and coded. Transcriptions were analysed to identify the following salient themes, all of which act as mechanisms of gender inequality: mobility restrictions, rampant sexual harassment in the community, limited educational and work opportunities, and the utmost prioritization of marriage for young women
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