Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 13 de 13
Filtrar
1.
Contemp Clin Trials Commun ; 35: 101197, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37671246

RESUMO

Background: Sexual minority women (SMW) and transgender and/or nonbinary (TNB) individuals report an elevated prevalence of posttraumatic stress disorder (PTSD) symptoms and negative alcohol-related outcomes compared to heterosexual women and cisgender people. SMW and TNB individuals also face barriers to utilizing treatment, which can result in delayed or missed appointments. Accessible, feasible, and effective treatment approaches, such as web-based expressive writing (EW) treatments, are needed to address PTSD and negative alcohol-related outcomes in these populations. Method: We describe the design of a mixed-method pilot randomized controlled trial which will compare an EW treatment adapted for SMW and TNB people (stigma-adapted EW) and trauma (i.e., non-adapted) EW with an active (neutral-event) control to determine acceptability and feasibility of a future fully powered randomized controlled trial. The sample will include 150 trauma-exposed SMW and TNB individuals from across the United States who will be randomly assigned to stigma-adapted EW (n = 50), trauma EW (n = 50), or control (n = 50). Participants will be assessed before treatment, one-week after the first writing session, and three-months after the first writing session. This paper identifies steps for evaluating the acceptability and feasibility of the proposed study and determining changes in outcomes resulting from adapted and non-adapted EW treatments to inform refinements. This paper also highlights our strategy for testing theory-driven mediators and moderators of treatment outcomes. Conclusions: This mixed-method pilot trial will inform the first fully powered, self-administered, brief web-based treatment to reduce PTSD symptom severity and negative alcohol-related outcomes among trauma-exposed SMW and TNB individuals.

2.
Clin Psychol Rev ; 102: 102283, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-37150043

RESUMO

Posttraumatic stress disorder (PTSD) is more prevalent among sexual minority women (SMW) than among heterosexual women. PTSD risk varies among SMW, but no meta-analysis has clarified sexual identity-related disparities in probable PTSD among women or SMW's heterogeneity in PTSD risk. SMW are also at pronounced risk of comorbid PTSD and hazardous drinking (HD). However, the difference in comorbid PTSD/HD between SMW and heterosexual women is understudied. This meta-analysis aimed to provide a comprehensive understanding of differences between SMW and heterosexual women and among SMW across demographic characteristics. Peer-reviewed publications that were written in English and reported quantitative data on PTSD specific to SMW were included. Eligible publications (n = 45) were identified through a systematic search of 11 electronic databases, supplemented by a search of reference lists of relevant papers. We found that probable PTSD, PTSD symptom severity, and probable comorbid PTSD/HD are highly prevalent among SMW, with SMW of color, transgender and gender diverse people, and bi+ women (e.g., bisexual, pansexual, queer) being at greatest risk. These results emphasize the need to improve accurate assessment of trauma-related sequelae among SMW and to develop, disseminate, and implement culturally sensitive treatments to reduce PTSD and comorbid PTSD/HD among at-risk SMW.


Assuntos
Minorias Sexuais e de Gênero , Transtornos de Estresse Pós-Traumáticos , Feminino , Humanos , Heterossexualidade , Transtornos de Estresse Pós-Traumáticos/epidemiologia , Bissexualidade , Comportamento Sexual
3.
Int Psychogeriatr ; 35(8): 421-431, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-33118918

RESUMO

OBJECTIVES: (1) To delineate whether cognitive flexibility and inhibitory ability are neurocognitive markers of passive suicidal ideation (PSI), an early stage of suicide risk in depression and (2) to determine whether PSI is associated with volumetric differences in regions of the prefrontal cortex (PFC) in middle-aged and older adults with depression. DESIGN: Cross-sectional study. SETTING: University medical school. PARTICIPANTS: Forty community-dwelling middle-aged and older adults with depression from a larger study of depression and anxiety (NIMH R01 MH091342-05 PI: O'Hara). MEASUREMENTS: Psychiatric measures were assessed for the presence of a DSM-5 depressive disorder and PSI. A neurocognitive battery assessed cognitive flexibility, inhibitory ability, as well as other neurocognitive domains. RESULTS: The PSI group (n = 18) performed significantly worse on cognitive flexibility and inhibitory ability, but not on other neurocognitive tasks, compared to the group without PSI (n = 22). The group with PSI had larger left mid-frontal gyri (MFG) than the no-PSI group. There was no association between cognitive flexibility/inhibitory ability and left MFG volume. CONCLUSIONS: Findings implicate a neurocognitive signature of PSI: poorer cognitive flexibility and poor inhibitory ability not better accounted for by other domains of cognitive dysfunction and not associated with volumetric differences in the left MFG. This suggests that there are two specific but independent risk factors of PSI in middle- and older-aged adults.


Assuntos
Disfunção Cognitiva , Ideação Suicida , Humanos , Pessoa de Meia-Idade , Idoso , Adulto , Depressão/psicologia , Estudos Transversais , Cognição , Fatores de Risco
4.
PLoS One ; 17(2): e0262830, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35108287

RESUMO

INTRODUCTION: During the course of the COVID-19 pandemic, there have been suggestions that various techniques could be employed to improve the fit and, therefore, the effectiveness of face masks. It is well recognized that improving fit tends to improve mask effectiveness, but whether these fit modifiers are reliable remains unexplored. In this study, we assess a range of common "fit hacks" to determine their ability to improve mask performance. METHODS: Between July and September 2020, qualitative fit testing was performed in an indoor living space. We used quantitative fit testing to assess the fit of both surgical masks and KN95 masks, with and without 'fit hacks', on four participants. Seven fit hacks were evaluated to assess impact on fit. Additionally, one participant applied each fit hack multiple times to assess how reliable hacks were when reapplied. A convenience of four participants took part in the study, three females and one male with a head circumference range of 54 to 60 centimetres. RESULTS AND DISCUSSION: The use of pantyhose, tape, and rubber bands were effective for most participants. A pantyhose overlayer was observed to be the most effective hack. High degrees of variation were noted between participants. However, little variation was noted within participants, with hacks generally showing similar benefit each time they were applied on a single participant. An inspection of the fit hacks once applied showed that individual facial features may have a significant impact on fit, especially the nose bridge. CONCLUSIONS: Fit hacks can be used to effectively improve the fit of surgical and KN95 masks, enhancing the protection provided to the wearer. However, many of the most effective hacks are very uncomfortable and unlikely to be tolerated for extended periods of time. The development of effective fit-improvement solutions remains a critical issue in need of further development.


Assuntos
COVID-19/prevenção & controle , Respiradores N95/tendências , COVID-19/transmissão , Feminino , Humanos , Masculino , Máscaras/tendências , Exposição Ocupacional/prevenção & controle , Pandemias/prevenção & controle , Equipamento de Proteção Individual/tendências , Desempenho Físico Funcional , SARS-CoV-2/patogenicidade
5.
Disaster Med Public Health Prep ; 17: e118, 2022 01 21.
Artigo em Inglês | MEDLINE | ID: mdl-35057880

RESUMO

OBJECTIVE: The effectiveness of filtering facepiece respirators such as N95 respirators is heavily dependent on the fit. However, there have been limited efforts to discover the size of the gaps in the seal required to compromise filtering facepiece respirator performance, with prior studies estimating this size based on in vitro models. In this study, we measure the size of leak necessary to compromise the fit of N95 respirators. METHODS: Two methods were used to create a gap of specific dimensions. A set of 3D-printed resin spacers and hollow steel rods were used to generate gaps in N95 respirators while worn on 2 participants. Occupational Safety and Health Administration (OSHA) quantitative fit testing methods were used to quantify mask performance with gaps between 0.4 and 2.9-mm diameters. RESULTS: Gap size was regressed against fit factor, showing that overall, the minimum gap size to compromise N95 performance was between 1.5 mm2 and 3 mm2. CONCLUSIONS: These findings suggest the fit of a N95 respirator is compromised by gaps that may be difficult to visually detect. The study also adds to the body of evidence supporting the routine use of quantitative fit testing to ensure that masks are well-fitting.


Assuntos
Exposição Ocupacional , Dispositivos de Proteção Respiratória , Humanos , Respiradores N95 , Máscaras
6.
Procedia Comput Sci ; 206: 92-100, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-37228693

RESUMO

Adolescent men who have sex with men (AMSM) experience high rates of HIV diagnoses and low utilization of HIV testing and prevention services. Meta-analyses and literature reviews have reported significant effects of online programs at reducing HIV and STI risk and improving use of protective behaviors. SMART is a stepped care package of eHealth interventions that comprehensively address the sexual health and HIV prevention needs of diverse 13-18 year old AMSM nationwide. As part of the online curriculum, educational tools were created to promote specific learning objectives, including the importance of STI and HIV testing. This study describes the use of an HIV and STI testing center locator custom designed for the SMART intervention to promote STI and HIV testing in AMSM. Data were collected between April 2018 and July 2020 as part of the SMART trial assessing the impact of the first intervention of the SMART program, titled SMART Sex Ed, on 13-18 year old AMSM. Measures included AMSM interaction data with the locator tool, history of HIV and STI testing, and confidence to get tested at baseline and 3 months post intervention. Upon entering the SMART program, most participants (69.3%) had never received an HIV or STI test in their lifetime. From those who were enrolled in SMART Sex Ed (n=1075), 82.6% used the custom developed HIV and STI testing center locator tool and those who used the tool were significantly more confident to receive an HIV test and STI test (p < 0.01). Qualitative feedback from SMART participants described the tool as interactive, useful, and easy to use. Preliminary data analysis suggests that our custom developed HIV and STI testing center locator is an acceptable and useful tool with potential for implementation outside the SMART Program. Future analysis should examine if the testing center locator is an acceptable and effective tool outside of the SMART intervention package. Given these results, providing AMSMs easy to use and acceptable online tools with comprehensive, culturally relevant didactic content can significantly improve AMSM's utilization of HIV testing and prevention services.

7.
J Clin Sleep Med ; 18(9): 2261-2271, 2022 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-34170222

RESUMO

STUDY OBJECTIVES: Poor sleep impedes children's cognitive, emotional, and psychosocial development. Pediatric sleep dysregulation is common, and children who live in communities of low socioeconomic status experience additional risk factors for short sleep duration and poor sleep quality. School-based training in mindfulness and yoga-informed practices can improve children's behavior and well-being, but effects on objectively measured sleep are unknown. METHODS: Effects of a school-based health and mindfulness curriculum, which taught practices such as paced breathing, on sleep and stress were examined in 115 children (49 girls, ages 8 to 11 at baseline). Fifty-eight children in a community of low socioeconomic status received the curriculum twice weekly for 2 years. Fifty-seven children in a socioeconomic status-matched community engaged in their usual physical education class instead. In-home ambulatory polysomnography and perceived social stress were measured in all children at 3 time points: at baseline (ie, prior to curriculum exposure) and at 2 yearly follow-ups. RESULTS: Children receiving the curriculum gained an average of 74 minutes of total sleep time, and 24 minutes of rapid eye movement sleep, per night over the 2-year study period. Children not receiving the curriculum experienced a decrease in total sleep time averaging 64 minutes per night, with no changes in rapid eye movement sleep. Sleep improved within the first 3 months of curriculum exposure, in a dose-dependent fashion. Higher curriculum engagement (eg, using the breathing exercises outside of class) was associated with larger gains in total and rapid eye movement sleep duration. Aggregate within-group changes in social stress were not significant. However, among children receiving the curriculum, those who experienced larger gains in total and rapid eye movement sleep duration also experienced larger increases in perceived social stress. CONCLUSIONS: A school-based health and mindfulness curriculum improved children's objectively measured sleep over 2 years. Social stress did not mediate these effects; instead, mindfulness training may have increased awareness of environmental stressors, while developing tools to reduce stress vulnerability. CITATION: Chick CF, Singh A, Anker LA, et al. A school-based health and mindfulness curriculum improves children's objectively measured sleep: a prospective observational cohort study. J Clin Sleep Med. 2022;18(9):2261-2271.


Assuntos
Atenção Plena , Criança , Currículo , Feminino , Humanos , Polissonografia , Estudos Prospectivos , Sono
8.
J Consult Clin Psychol ; 89(10): 845-855, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-34807659

RESUMO

Objective: The prevalence of anxiety and depressive (i.e., internalizing) disorders is higher among bi+ individuals (i.e., individuals with attractions to more than one gender and/or who identify as bisexual or pansexual) compared to both heterosexual and lesbian/gay individuals. Cross-sectional research has demonstrated that stressors unique to bi+ individuals are associated with internalizing symptoms. However, longitudinal research examining these associations and underlying mechanisms is extremely limited. Method: We utilized five waves of data (6 months between waves) from a diverse sample of bi+ individuals assigned female at birth (age 16-32; 29% gender minority; 72.9% racial/ethnic minority) to examine: (a) prospective associations between three bi+ stressors (enacted, internalized, anticipated bi+ stigma) and internalizing symptoms; (b) potential mediating role of rumination in these associations; and (c) potential mediating roles of internalized and anticipated bi+ stigma in associations between enacted bi+ stigma and internalizing symptoms. Results: At the within-person level, when participants experienced more bi+ stressors than usual during a particular wave, they experienced subsequent increases in internalizing symptoms. Increases in rumination mediated these associations. Associations between enacted bi+ stigma and internalizing symptoms were mediated by increases in internalized and anticipated bi+ stigma. Conclusions: Findings indicate that bi+ stressors prospectively predict increases in internalizing symptoms and rumination may play a mechanistic role. Further, findings suggest that internalized and anticipated bi+ stigma may play mechanistic roles in the associations between enacted bi+ stigma and internalizing symptoms. Interventions targeting rumination, internalized stigma, and anticipated bi+ stigma may help to reduce internalizing symptoms among bi+ individuals. (PsycInfo Database Record (c) 2021 APA, all rights reserved).


Assuntos
Etnicidade , Grupos Minoritários , Adolescente , Adulto , Estudos Transversais , Feminino , Humanos , Recém-Nascido , Estudos Longitudinais , Estresse Psicológico/epidemiologia , Adulto Jovem
9.
PLoS One ; 16(1): e0245688, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33481870

RESUMO

INTRODUCTION: The COVID-19 pandemic has made well-fitting face masks a critical piece of protective equipment for healthcare workers and civilians. While the importance of wearing face masks has been acknowledged, there remains a lack of understanding about the role of good fit in rendering protective equipment useful. In addition, supply chain constraints have caused some organizations to abandon traditional quantitative or/and qualitative fit testing, and instead, have implemented subjective fit checking. Our study seeks to quantitatively evaluate the level of fit offered by various types of masks, and most importantly, assess the accuracy of implementing fit checks by comparing fit check results to quantitative fit testing results. METHODS: Seven participants first evaluated N95 and KN95 respirators by performing a fit check. Participants then underwent quantitative fit testing wearing five N95 respirators, a KN95 respirator, a surgical mask, and fabric masks. RESULTS: N95 respirators offered higher degrees of protection than the other categories of masks tested; however, it should be noted that most N95 respirators failed to fit the participants adequately. Fit check responses had poor correlation with quantitative fit factor scores. KN95, surgical, and fabric masks achieved low fit factor scores, with little protective difference recorded between respiratory protection options. In addition, small facial differences were observed to have a significant impact on quantitative fit. CONCLUSION: Fit is critical to the level of protection offered by respirators. For an N95 respirator to provide the promised protection, it must fit the participant. Performing a fit check via NHS self-assessment guidelines was an unreliable way of determining fit.


Assuntos
COVID-19/prevenção & controle , Máscaras , Respiradores N95 , Têxteis , Adolescente , Adulto , Idoso , COVID-19/virologia , Feminino , Humanos , Masculino , Máscaras/normas , Máscaras/virologia , Pessoa de Meia-Idade , Respiradores N95/normas , Respiradores N95/virologia , Exposição Ocupacional/prevenção & controle , SARS-CoV-2/isolamento & purificação , Têxteis/virologia , Adulto Jovem
10.
Addict Behav ; 114: 106718, 2021 03.
Artigo em Inglês | MEDLINE | ID: mdl-33131969

RESUMO

Sexual minority women (SMW; individuals who identify as women and as lesbian, bisexual, or with another sexual minority identity) are at increased risk for problematic alcohol use compared to their heterosexual counterparts. This increased risk has been attributed to minority stress. However, longitudinal research examining associations between minority stress and alcohol use outcomes is extremely limited and examinations of these associations at the daily level are nearly non-existent. Further, few longitudinal studies have examined mechanisms through which minority stress may impact alcohol use. We utilized data from a 14-day daily diary study of 98 SMW to examine daily-level associations between experiences of minority stress, alcohol consumption and consequences, and two proposed mediators of these associations (perceived coping efficacy, social interaction anxiety). Results indicated that on days when participants experienced minority stress events, they experienced lower coping efficacy, higher social interaction anxiety, and more drinking consequences than usual. Minority stress was not associated with same-day alcohol consumption. Perceived coping efficacy and social interaction anxiety mediated the same-day association between minority stress and drinking consequences. No prospective associations were significant, suggesting that studies with multiple assessments per day may be necessary to detect immediate effects of minority stress. Findings highlight the potential impact of daily experiences of minority stress on alcohol consequences and provide evidence that two general psychological processes may be mechanisms through which minority stress impacts alcohol consequences. These results provide evidence of a need for interventions that teach SMW skills for coping with minority stress and its psychological consequences.


Assuntos
Minorias Sexuais e de Gênero , Interação Social , Adaptação Psicológica , Consumo de Bebidas Alcoólicas , Ansiedade , Feminino , Humanos
11.
BMJ Open ; 10(9): e039424, 2020 09 22.
Artigo em Inglês | MEDLINE | ID: mdl-32963071

RESUMO

OBJECTIVE: We examined the ability of fabrics which might be used to create home-made face masks to filter out ultrafine (0.02-0.1 µm) particles at the velocity of adult human coughing. METHODS: Twenty commonly available fabrics and materials were evaluated for their ability to reduce air concentrations of ultrafine particles at coughing face velocities. Further assessment was made on the filtration ability of selected fabrics while damp and of fabric combinations which might be used to construct home-made masks. RESULTS: Single fabric layers blocked a range of ultrafine particles. When fabrics were layered, a higher percentage of ultrafine particles were filtered. The average filtration efficiency of single layer fabrics and of layered combination was found to be 35% and 45%, respectively. Non-woven fusible interfacing, when combined with other fabrics, could add up to 11% additional filtration efficiency. However, fabric and fabric combinations were more difficult to breathe through than N95 masks. CONCLUSIONS: The current coronavirus pandemic has left many communities without access to N95 face masks. Our findings suggest that face masks made from layered common fabric can help filter ultrafine particles and provide some protection for the wearer when commercial face masks are unavailable.


Assuntos
Infecções por Coronavirus/transmissão , Tosse , Máscaras/provisão & distribuição , Teste de Materiais , Material Particulado , Pneumonia Viral/transmissão , Têxteis , Filtros de Ar , Betacoronavirus , COVID-19 , Celulose , Infecções por Coronavirus/prevenção & controle , Fibra de Algodão , Humanos , Nylons , Pandemias/prevenção & controle , Pneumonia Viral/prevenção & controle , Poliésteres , Poliuretanos , Dispositivos de Proteção Respiratória/provisão & distribuição , SARS-CoV-2 , Fibra de Lã
12.
Front Aging Neurosci ; 12: 540424, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33505299

RESUMO

Objective: In recognition of the mixed associations between traditionally scored slow wave sleep and memory, we sought to explore the relationships between slow wave sleep, electroencephalographic (EEG) power spectra during sleep and overnight verbal memory retention in older adults. Design, Setting, Participants, and Measurements: Participants were 101 adults without dementia (52% female, mean age 70.3 years). Delayed verbal memory was first tested in the evening prior to overnight polysomnography (PSG). The following morning, subjects were asked to recall as many items as possible from the same List (overnight memory retention; OMR). Partial correlation analyses examined the associations of delayed verbal memory and OMR with slow wave sleep (SWS) and two physiologic EEG slow wave activity (SWA) power spectral bands (0.5-1 Hz slow oscillations vs. 1-4 Hz delta activity). Results: In subjects displaying SWS, SWS was associated with enhanced delayed verbal memory, but not with OMR. Interestingly, among participants that did not show SWS, OMR was significantly associated with a higher slow oscillation relative power, during NREM sleep in the first ultradian cycle, with medium effect size. Conclusions: These findings suggest a complex relationship between SWS and memory and illustrate that even in the absence of scorable SWS, older adults demonstrate substantial slow wave activity. Further, these slow oscillations (0.5-1 Hz), in the first ultradian cycle, are positively associated with OMR, but only in those without SWS. Our findings raise the possibility that precise features of slow wave activity play key roles in maintaining memory function in healthy aging. Further, our results underscore that conventional methods of sleep evaluation may not be sufficiently sensitive to detect associations between SWA and memory in older adults.

13.
Am J Geriatr Psychiatry ; 26(7): 806-811, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29709510

RESUMO

OBJECTIVE: To examine the relationship between subclinical anxiety and depressive symptoms and objective sleep architecture measures and subjective sleep reports in older adults. METHODS: Community-dwelling older adults (N = 167) self-rated their current severity of anxiety symptoms, depressive symptoms, daytime sleepiness, and global sleep quality. Participants received overnight ambulatory polysomnography to assess sleep architecture. Multivariate linear regression models examined associations between anxiety and depressive symptoms and objective and subjective sleep measures. RESULTS: Significant findings emerged for subjective sleep, with higher depression and anxiety scores associated with worse global sleep quality and greater anxiety scores associated with greater daytime sleepiness. No significant associations were observed between subclinical levels of anxiety or depressive symptoms with sleep architecture. CONCLUSION: Subclinical levels of late-life anxiety and depression have distinct associations with subjective sleep disturbance. Findings implicate subjective measures of sleep quality and daytime sleepiness as stronger trait markers for subthreshold psychiatric symptoms than objective sleep biomarkers.


Assuntos
Ansiedade/epidemiologia , Depressão/epidemiologia , Sintomas Prodrômicos , Transtornos do Sono-Vigília/epidemiologia , Idoso , Idoso de 80 Anos ou mais , California/epidemiologia , Comorbidade , Estudos Transversais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Monitorização Ambulatorial , Polissonografia , Autorrelato
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA