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Non-probability sampling methods utilize nonrandom research participant selection, which may generate study samples that are not representative of the general population. Non-probability sample studies are often regarded as inferior due to uncertainty about their generalizability and external validity. In reality, non-probability sampling offers advantages that make this method particularly valuable for minority health research. In this perspective article, we review the strengths and limitations of probability and non-probability samples, examining three landmark survey studies used to study transgender and gender diverse mental health. We conclude that both types of studies provide important and actionable data about mental health inequities experienced by minority populations.
This study sought to replicate and expand a previous pilot investigation of reproductive knowledge, attitudes toward fertility and parenthood, and sources of information on these topics among transgender and gender-expansive (TGE) youth.
The Yale Pediatric Gender Program (YPGP) Reproductive Knowledge and Experiences Survey (YPGP-RKES) was administered to 70 TGE adolescents receiving care at an interdisciplinary clinic providing gender-affirming health care at an academic medical center. Data gathered included sources of information on reproduction and fertility, concerns about future parenthood and reproduction, and interest in different types of parenthood.
Over a third (39.1%) of participants reported it was important to them to have a child one day, while only a small proportion (23.2%) reported an interest in biological parenthood. A plurality of participants (37.3%) reported at least one concern about future fertility. The number of reproductive concerns did not differ by age or treatment (puberty blockers or gender-affirming hormones vs. no treatment) status. With respect to needs for more information and sources of information, most (56.5%) participants received information about fertility issues before this study, with the most cited source of information being online research.
The current study replicated and extended previous findings on the reproductive attitudes and knowledge of TGE adolescents. Understanding the informational needs and priorities of adolescent TGE patients presenting for medical treatment will allow providers to give more robust patient education. This will, in turn, facilitate patients' ability to provide fully informed consent for treatment that aligns with their fertility and reproductive priorities and goals.
Transgender and gender-diverse (TGD) youth face health care decisions that are complicated by both social and medical aspects of gender care. Little is known about how providers support decision-making in this context or the gaps they perceive in decision support.
To explore health care providers' perspectives on the decision-making processes in youth gender care.
We interviewed health care providers (
From providers' perspectives, they serve as “guides” to families through a challenging decision-making process. Youth arrive educated and eager to begin treatment, but caregivers are more hesitant. Providers lack data to address parents' concerns, and struggle to support families through interpersonal conflict. All providers recognized a need to improve decision support for families.
Providers described decision-making in this context as a multistep process where interpersonal conflict and limited data slow progress.
There is ample opportunity to leverage insights from adult and pediatric medical decision-making research to improve decision support for providers, TGD youth, and families.
Estrogen therapy is associated with an increased risk of venous thromboembolism (VTE). A large proportion of transfeminine patients use estrogen therapy before undergoing gender-affirming surgery. Many surgeons implement the discontinuation of hormone therapy before surgery. This study sought to evaluate the perioperative risk of VTE in transfeminine patients undergoing the procedure of facial feminization.
Retrospective chart reviews were performed of all patients who underwent facial feminization by a single surgeon at an urban academic institution from 2014 to 2020. Patient characteristics including comorbidities, Caprini score, VTE chemoprophylaxis, and perioperative hormone therapy management were reviewed. The incidences of VTE during perioperative hospital stay and within 1 week and 6 months after the surgical procedure were examined.
There were 296 facial feminization procedures performed on 282 distinct patients who met criteria for inclusion in the study. Hormone therapy was prescribed to 83.6% of patients, 69.5% of whom reported that they held these medications before the procedure. Of those holding, 84.1% of patients reported they discontinued these medications between 2 and 4 weeks. No patients received VTE chemoprophylaxis. There were 0 VTE incidents during the patients' perioperative period up to 6 months postprocedure.
Our findings support that transfeminine patients who use estrogen hormone therapy are at a minimal risk to experience VTE when undergoing facial feminization procedures. Future directions include evaluating the psychologic effect of discontinuing hormone therapy to help guide perioperative decision making.
The primary aim of this study was to define characteristics of transgender women seeking gender-affirming voice modification at our voice center. The secondary aim was to evaluate outcome measures, comparing (a) behavioral voice training alone, (b) surgery alone, and (c) combination of behavioral voice training+surgery.
Patients seen in a 30-month period, who sought care for gender-affirming voice modification, were included if they were assigned male at birth and identified as female. Patient demographic information, patient quality of life index scores, Trans Woman Voice Questionnaire (TWVQ), and acoustic data were collected before and after intervention.
Sixteen patients met inclusion criteria. The majority of patients were (a) undergoing hormone replacement therapy at initiation of treatment, (b) were presenting in public for over 2 years as female, and (c) had a history of psychological disorders (i.e., gender dysphoria, anxiety, depression, and attention deficit hyperactivity disorder [ADHD]). Increased f0 and decreased TWVQ scores were evident and statistically significant within behavioral voice training cohort and behavioral voice training+surgery cohort. Treatment groups appear similar with respect to average changes; pre- and post-data were not available for surgery only patients. Greater change in f0 was directly correlated with increased number of voice training sessions.
There is variability in treatment course for patients seeking gender-affirming voice modification; however, treatment type may not impact outcomes. Increased patient quality of life and increased speaking fundamental frequency were found in this patient cohort.
This study aimed to evaluate the relationship between androgens and the retinal thickness by comparing the macular thickness (MT), retinal nerve fiber layer (RNFL), and ganglion cell complex (GCC) thickness of female-to-male transgender men (TGM), women with polycystic ovary syndrome (PCOS), and cisgender women (CW).
Thirty-four eyes of 34 TGM, 34 eyes of 34 women with PCOS, and 45 eyes of 45 CW were evaluated by optical coherence tomography. One-way analysis of variance and body mass index (BMI)-adjusted one-way analysis of covariance were conducted to test the differences between groups for statistical evaluation.
The parafoveal MT in TGM was significantly higher than women with PCOS and CW (
In this study, there was a significant difference between the TGM group and the CW group for the thickness of the nasal RNFL and parafoveal and perifoveal macular area. Androgens may have the potential to increase retinal thickness in TGM; however, there is a need for validation in larger study groups. Clinical Trial Registration Number: HNEAH-KAEK 2021/4.
Transgender women (TGW) and cisgender men who have sex with men (cis-MSM) are often grouped together as key populations. We evaluated behavioral and other characteristics that may distinguish TGW from cis-MSM in Bangkok, Thailand.
We enrolled into an 18-month cohort cis-MSM and TGW 18–35 years of age without HIV, who reported anal intercourse plus condomless anal intercourse, multiple partners, transactional sex, and/or sexually transmitted infection. Robust multivariable Poisson regression was used to estimate adjusted prevalence ratios (aPRs) and confidence intervals (95% CIs) for associations with being a TGW. Among TGW, logistic regression with generalized estimating equations was used to estimate adjusted odds ratios (aORs) and 95% CIs for associations with taking hormones and having undergone gender affirmation surgery (GAS).
From 2017 to 2019, 660 cis-MSM and 348 TGW were enrolled. Compared to cis-MSM, TGW were more likely to be attracted to mostly/only men (aPR: 3.79, 95% CI: 1.57–9.13), have a higher monthly income (aPR: 1.25, 95% CI: 1.04–1.50), have lived in their current residence for <1 year (aPR: 1.21, 95% CI: 1.01–1.46), have engaged in sex work (aPR: 1.48, 95% CI: 1.23–1.77), and be less likely to have ever undergone HIV testing (aPR: 0.83, 95% CI: 0.70–0.98). Among TGW, 149 (42.8%) were taking hormones and 33 (9.5%) had undergone GAS. GAS was more common among TGW who ever used methamphetamines (aOR: 1.55, 95% CI: 1.00–2.41) and those >23 years (18–20-year olds aOR: 0.17, 95% CI: 0.05–0.55; 21–23-year olds aOR: 0.36, 95% CI: 0.20–0.65).
TGW and cis-MSM are unique populations; tailored, gender-affirming, differentiated models of HIV prevention and care are necessary to address vulnerabilities specific to each key population.
Many transgender (short form: trans) people are experiencing disparities within Canadian health care systems, including nutritional and dietetic health care systems. This research explores the views, beliefs, and experiences of Canadian dietitians about trans nutritional care and seeks to understand how dietitians can better address the nutritional needs of trans individuals.
Semistructured online interviews were conducted with 16 Canadian dietitians. Interviews were transcribed and the data were analyzed thematically.
Three main themes were created; (1) There's an Unjust System, (2) We've Come a Long Way, and (3) Not Just Checklists and Rainbows. The participants explored the historic nature of the Canadian dietetic profession and noted the connection between cis-normativity and the erasure of trans identities. They also explored how dietitians could better address the health needs of trans people, including moving beyond the acknowledgement of trans identities to changing the way gender is viewed in the profession.
The dietetic profession must move beyond surface-level activities and rethink gender. Recommendations include adding trans-focused care training into the profession, creating safer spaces for trans individuals, advocacy and allyship, and recruiting trans people to the profession.
Although transgender and nonbinary (TNB) people can acquire human papillomavirus (HPV), research examining HPV vaccination in these populations is scarce. TNB individuals experience high levels of gender-related health care discrimination, which may undermine HPV vaccine uptake. Using data from a national online survey (
The role of hormone therapy (HT) in the etiology and progression of psoriasis in the transgender population is unclear.
The prevalence of psoriasis in transmasculine (TM) and transfeminine (TF) adults and perceived links between psoriasis and gender-affirming HT is examined using a cross-sectional survey of 696 transgender individuals.
Ever diagnosis of psoriasis was reported by 17 TM persons (4.9%; 95% confidence interval [CI]: 2.6–7.2) and 13 TF persons (3.7%; 95% CI: 1.7–5.7). Prevalence of current psoriasis in TM persons was 2.6% (95% CI: 0.9–4.3) and 1.1% (95% CI: 0.03–2.3) among TF persons. Notably, among participants who had ever had psoriasis, 17% perceived a link between their psoriasis and gender-affirming HT.
Prevalence of psoriasis among transgender persons resembled estimates in the general population. Potential associations between psoriasis and its severity with gender-affirming HT warrant further longitudinal research.
This study aimed to understand the experiences of hospital registrars in collecting gender identity data.
A qualitative study that thematically analyzed key informant interviews with 37 registrars regarding their attitudes and practices in collecting gender identity data.
Collection of gender identity is influenced by (1) system-level barriers, (2) discrepancies in source of truth for documentation, and (3) registrars' underlying attitudes and behaviors.
Findings demonstrate that person- and system-level barriers can interfere with the accurate and respectful collection of gender identity data, which is critical for tracking and addressing lesbian, gay, bisexual, transgender, and queer health disparities.