Publications by authors named "Michael Newcomb"

Article Synopsis
  • A study involving 1,296 sexual and gender minority people assigned male at birth in Chicago highlighted an increasing trend in methamphetamine use from 2015 to 2023, particularly among those aged 25 and older.
  • The average age for first-time use of methamphetamine was found to be around 23.9 years.
  • The research indicated that those with a history of HIV diagnosis had a two-fold higher risk of initiating methamphetamine use, and higher inflammation levels (measured by C-reactive protein) also increased the likelihood of first-time use.
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Background: We estimated the predictive value of rectal (bacterial sexually transmitted infection [bSTI]) pathogen detection for future HIV seroconversion among young adult sexual and gender minorities (YSGMs) assigned male at birth (AMAB).

Methods: Data were collected between March 2018 and August 2022 from RADAR, a longitudinal cohort study of YSGMs AMAB living in the Chicago metropolitan area (n = 1022). Rates of rectal bSTIs and the proportion of self-reported rectal bSTI symptoms are reported.

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Sexual and gender minority youth assigned female at birth (SGM-AFAB) are at disproportionately high risk for intimate partner violence victimization (IPVV), yet remain understudied. Using two time points of data collected from 367 SGM-AFAB young people (aged 16-31 years), we tested whether common, general population risk factors (childhood violence, depression, alcohol and cannabis use, and low social support) and unique stigma-related factors (enacted stigma, microaggressions, and internalized stigma) prospectively predicted psychological, physical, sexual, and identity abuse IPVV in the following 6 months. Results indicated that some traditional risk factors, including child abuse, depression, cannabis use, and low social support, raise IPVV risk among SGM-AFAB youth.

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Objective: Sexual and gender minority youth assigned female at birth (SGM-AFAB) experience higher rates of intimate partner violence (IPV) than heterosexual and cisgender youth. To inform efforts to reduce these disparities, we explored whether IPV risk factors identified in the general population are associated with IPV among SGM-AFAB young people.

Method: Using multiwave longitudinal data from a 400 SGM-AFAB youth (ages 16-20 at baseline), we estimated between- and within-persons effects of demographic/contextual characteristics (gender, sexual identity, race/ethnicity, socioeconomic status), developmental/background factors (childhood violence), and psychological/behavioral factors (antisocial behavior, depression, problematic alcohol and cannabis use) on a range of IPV experiences (victimization and perpetration of psychological, physical, sexual, and SGM-specific IPV).

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Growing research suggests that minority stress adversely affects relationship functioning among same-gender couples. However, studies have predominantly focused on concurrent, between-persons associations and neglected the relationships sexual minority people have with partners of other genders. We used multiwave longitudinal data from 200 young sexual minority women in relationships with cisgender men, cisgender women, and transgender or nonbinary individuals to assess between- and within-person associations between minority stress and relationship functioning and to test for differences in these associations by partner gender.

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Cross-sectional studies have demonstrated associations between COVID news exposure, anxiety, and depression. However, longitudinal research examining the directionality of these associations is extremely limited. Further, most studies have focused on the general population and neglected sexual and gender minority individuals (SGM), a population disproportionately impacted by the pandemic.

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Article Synopsis
  • Minority stressors, like internalized stigma and microaggressions, are linked to higher HIV risk behaviors among gay, bisexual, queer, and other men who have sex with men (MSM).
  • Committed partnerships can influence these risks, but there's limited research on how relationship dynamics affect this connection in male couples.
  • The study found that positive coping strategies within a relationship can reduce this risk, though sometimes partners may stress each other, which can worsen HIV transmission behaviors.
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Background: To evaluate whether infectious illness symptoms (IIS) are associated with generalized anxiety symptoms during the COVID-19 pandemic in sexual/gender (SGM) minority young adults assigned male at birth (AMAB).

Method: Four hundred eighteen participants (median age = 25; range, 20-40) were recruited through RADAR, an ongoing Chicago-based cohort study of SGM-AMAB between September 2020 and February 2021. Participants completed online surveys.

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Study Aim: This study aims to describe the transition-in-care work process for sepsis survivors going from hospitals to home health care (HHC) and identify facilitators and barriers to enable practice change and safe care transitions using a human factors and systems engineering approach.

Background: Despite high readmission risk for sepsis survivors, the transition-in-care work process from hospitals to HHC has not been described.

Methods: We analyzed semi-structured needs assessment interviews with 24 stakeholders involved in transitioning sepsis survivors from two hospitals and one affiliated HHC agency participating in the parent implementation science study, I-TRANSFER.

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Article Synopsis
  • The study explores how minority stress impacts intimate partner violence (IPV) among sexual and gender minorities assigned female at birth (SGM-AFAB) using data over 3.5 years from 488 participants.
  • Microaggressions correlated with both experiencing and perpetrating various types of IPV, notably psychological and coercive control, while SGM victimization also related to IPV but not in the same direct manner.
  • The findings suggest that addressing minority stress, particularly through understanding microaggressions, is important for clinicians working with SGM-AFAB individuals in relationships.
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Sexual and gender minorities assigned female at birth (SGM-AFAB) experience high rates of intimate partner violence (IPV), with negative effects on health and well-being. Disclosure of and help-seeking for IPV can support the well-being of IPV survivors, yet are understudied among SGM-AFAB people. To better understand the IPV disclosure and help-seeking experiences in this population, we conducted semi-structured interviews with 41 SGM-AFAB young adults who experienced physical, sexual, or severe psychological IPV.

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Sexual minority youth (adolescents and young adults) assigned female at birth (SM-AFAB) are at disproportionate risk of developing obesity compared with heterosexual cisgender youth AFAB. Grounded in minority stress theory, this study aimed to identify potential risk factors for obesity among SM-AFAB youth to inform the development of prevention and intervention efforts for this high-risk population. Data were collected in 2017 from 367 SM-AFAB youth (ages 16-20 years).

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Intimate partner violence (IPV) is alarmingly prevalent among sexual and gender minority youth assigned female at birth (SGM-AFAB), making it important to identify risk factors that can be targeted in prevention efforts for this population. Although several relationship-level risk factors for IPV have been identified in different-sex couples, research on SGM-AFAB is sparse and predominantly cross-sectional. The present study used seven waves of data from a longitudinal cohort study of SGM-AFAB youth (n = 463) to explore relationship factors (relationship quality, destructive conflict, and self- and partner-jealousy) as risk factors for perpetration and victimization of three types of IPV (physical, psychological, and coercive control).

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Background: Preexposure prophylaxis (PrEP) significantly reduces HIV infection risk but is dependent on adherence. Available approaches to measuring adherence have limitations related to accuracy, cost, practicality, and timeliness. This study compared the performance of two methods implementable in clinics and research studies [interview and urine point of care (POC) assay] to the gold-standard for measuring recent and longer term adherence in dried blood spots (DBS).

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Introduction: The Sexual Orientation Microaggression Inventory (SOMI) has been used to measure sexual orientation-based microaggression experiences. However, at 19 items, the SOMI may be difficult to fit into survey batteries where microaggressions are not the primary predictor or the time researchers have with each participant is very limited.

Methods: We sought to identify an eight-item short form of the SOMI (SOMI-SF) in a sample of sexual minority (SM) youth (N = 879) and confirm the validity and reliability of the SOMI-SF by administering both versions to separate cohorts of male-assigned (N = 533) and female-assigned (N = 430) at birth SM youth.

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Sexual minority individuals assigned female at birth (SM-AFAB) are at increased risk for problematic alcohol use compared to heterosexual women. Despite evidence that drinking locations and companions play an important role in problematic alcohol use among heterosexuals, few studies have examined these social contexts of alcohol use among SM-AFAB. To address this gap, the current study examined two aspects of social contexts in which SM-AFAB drink (locations and companions).

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Research shows that, for different sex couples, individual levels of substance use are deleterious for relationship quality (e.g., satisfaction, intimate partner aggression), whereas dyadic concordance is usually protective.

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Prior research suggests that better mental health and higher relationship quality are associated with better sexual function and satisfaction. Such insights can inform intervention development for mental, relationship, and sexual health concerns. This study examined the interactions among these variables in a racially and ethnically diverse group of young men who have sex with men (YMSM) in serious relationships (N = 348).

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Background: Transgender and gender diverse (TGD) people experience high rates of stigma and marginalization that are theorized to exacerbate substance use and psychological distress. However, little research has examined the role of various minority stressors in relation to substance use in TGD populations.

Methods: In this sample of 181 TGD individuals in the U.

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Objective: This study evaluated the efficacy of the 2GETHER relationship education and HIV prevention program for young male couples in reducing risk for HIV.

Method: We conducted a comparative effectiveness randomized controlled trial of 2GETHER, a five-session hybrid group- and couple-based intervention delivered via videoconference, relative to a single-session HIV testing and risk reduction counseling protocol delivered to couples. We randomized 200 young male couples ( = 400) to 2GETHER or control from 2018 to 2020.

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Article Synopsis
  • Relationship interventions such as healthy relationship education and couple therapy can significantly benefit sexual and gender minority (SGM) populations by addressing their unique mental and physical health challenges, particularly in a climate of societal stigma.
  • It is crucial that these interventions are culturally sensitive, affirming, and tailor-made to tackle the stigma SGM individuals face rather than adhering to traditional heteronormative norms.
  • The paper emphasizes the importance of effectively recruiting and retaining diverse SGM couples for clinical trials, suggesting strategies that engage the SGM community, respect their identities, ensure confidentiality, and consider the specific needs of the community.
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Transgender and gender-diverse people experience various minority stressors although minimal research has examined prospective effects on daily affect or mental health. We explored rates of marginalization for transgender and gender-diverse participants in a daily diary study and the concurrent and prospective associations with daily affect and weekly measures of depression and anxiety symptoms, as well as the mediating effects of internalized stigma, rumination, and isolation. There were 167 participants (82.

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Objectives: Sexual and gender minoritized people (SGM) of color experience stigma unique to their intersection of identities, such as racism from SGM and heterosexism from people of color (POC) in their same racial/ethnic group. SGM POC who experience enacted stigma, like microaggressions, have been found to have poorer mental health outcomes. SGM identity authenticity and connections to the SGM community have been associated with better mental health.

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Transgender and gender diverse (TGD) individuals face disproportionate barriers to accessing affirming healthcare, ranging from individual practitioners' biases to financial constraints and societal-level cisnormativity. This study identified suggestions for improving healthcare from 420 TGD individuals in the United States. Participants responded to an open-ended question about their suggestions for improving healthcare for TGD people.

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