Publications by authors named "Venkatesan Chakrapani"

Background: Current programs to engage marginalized populations such as gay and bisexual individuals and other men who have sex with men (MSM) in HIV prevention interventions do not often reach all MSM who may benefit from them. To reduce the global burden of HIV, far-reaching strategies are needed to engage MSM in HIV prevention and treatment. Globally, including low- and middle-income countries, MSM are now widely using internet-based social and mobile technologies (SMTs; eg, dating apps, social media, and WhatsApp [Meta]), which provides an unprecedented opportunity to engage unreached and underserved groups, such as MSM for HIV prevention and care.

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  • Research on the healthcare experiences of transmasculine individuals in India is limited, despite recent government efforts to improve access to gender-affirmative care.
  • A study involving 40 qualitative interviews and a survey of 377 transmasculine people highlighted challenges in accessing care, including financial barriers and varying quality between public and private healthcare systems.
  • While many faced stigma and disempowerment during psychological assessments, those who accessed care reported improved well-being; however, a notable percentage still expressed dissatisfaction with surgical outcomes.
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  • The study assessed the acceptability and usability of HIV self-testing (HIVST) kits in India, finding that 97% of eligible participants accepted the kits and 95% found them easy to use and interpret.
  • Participants largely preferred HIVST for future testing, with 88% indicating interest, and a significant portion (69%) willing to pay for the kits, although most preferred to pay less than $1.20.
  • Out of those who tested positive using HIVST, 89% were linked to confirmatory testing, resulting in a high rate of HIV positive confirmations and successful initiation of antiretroviral therapy (ART).
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  • India has a significant HIV epidemic, particularly among men who have sex with men (MSM), but struggles to implement effective prevention technologies like PrEP.
  • A study surveyed MSM in Chennai and Mumbai to assess their willingness to use preventive methods and identified key product characteristics that influence their choices.
  • Results showed a high acceptability for HIV prevention options, with efficacy being the most valued attribute, alongside side effects, dosing schedules, and usage venue preferences, which varied based on participants' education and income.
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Background: Limited interventions exist on reducing unwanted screen time (ST) among children from low- and middle-income countries (LMICs), so we developed and assessed the effectiveness of the program to lower unwanted media screen time (PLUMS) among children aged 2-5 years in Chandigarh, Union Territory, North India.

Methods: An open-label randomized control parallel group trial per CONSORT guidelines was conducted among randomly selected 340 families with children aged 2-5 (±3 months) years in Chandigarh, India. PLUMS was implemented at the family level with a focus on modifying the home media environment and targeted individual-level interventions using parent and child modules for 2 months.

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Background: Smartphone use is increasing among transgender women (TGW), including those who engage in sex work. Current government-supported HIV prevention interventions focus on physical venue-based outreach among TGW, missing the opportunity to reach them through smartphone-based interventions.

Objective: We examined the use of smartphones among TGW, especially in relation to social and sexual networking, and explored their perspectives on their willingness to use smartphone-based HIV prevention interventions.

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Purpose: Sexual and gender minority and racialized populations experienced heightened vulnerability during the Covid-19 pandemic. Marginalization due to structural homophobia, transphobia and racism, and resulting adverse social determinants of health that contribute to health disparities among these populations, were exacerbated by the Covid-19 pandemic and public health measures to control it. We developed and tested a tailored online intervention (#SafeHandsSafeHearts) to support racialized lesbian, gay, bisexual, transgender, queer, and other persons outside of heteronormative and cisgender identities (LGBTQ+) in Toronto, Canada during the pandemic.

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Background: Water insecurity disproportionally affects socially marginalized populations and may harm mental health. Lesbian, gay, bisexual, transgender and queer (LGBTQ) persons are at the nexus of social marginalization and mental health disparities; however, they are understudied in water insecurity research. Yet LGBTQ persons likely have distinct water needs.

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Background: Diabetes self-care behaviour plays a crucial role in managing the diabetes effectively and preventing complications. Patients with type 2 diabetes mellitus (T2DM) and health care professionals (HCPs) of rural areas often face unique challenges when it comes to diabetes self-care practices (SCPs). Therefore, this study aim to explore the perspectives of patients with T2DM and HCPs on diabetes SCPs.

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Background: Acceptability and preference research play a crucial role in the design, evaluation, and implementation of any new prevention product in any geographical setting. They also play a critical role in the development of clinical guidelines and policies. A wide range of acceptability studies have been conducted in diverse general and key populations for various new HIV prevention products worldwide.

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Background: Meaningful community engagement (CE) in HIV prevention research is crucial for successful and ethically robust study implementation. We conducted a qualitative study to understand the current CE practices in HIV prevention research and to identify expressed and implicit reasons behind translational gaps highlighted by communities and researchers.

Methods: For this exploratory qualitative study, we recruited a purposive sample of participants from Indian government-recognised key populations such as men who have sex with men, transgender women, people who inject drugs and female sex workers; general population adults and adolescents/youth; and researchers.

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In India and other low-and-middle-income countries, little is known about how intersectional stigma affects MSM engagement in ART. Informed by the Health Stigma and Discrimination Framework, we qualitatively examined how multiple stigmas influence ART engagement among Indian MSM. We conducted 3 focus groups (N = 22) with MSM living with HIV, aged 21-58 years, in Delhi and Hyderabad to identify potential intervention targets and solutions to improve treatment outcomes.

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We report process evaluation findings from the 'SMART Eating' intervention trial, which significantly improved fat, sugar and salt (FSS), and fruits and vegetables (FVs) intake among adults. Intervention used information technology [short message service (SMS), WhatsApp and website] and interpersonal communication (distribution of SMART Eating kit) and pamphlet for comparison group. Guided by UK Medical Research Council's framework, using embedded mixed-methods design, continuous process evaluation documented fidelity, dose, reach, acceptability and mechanisms.

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Amid incremental progress in establishing an enabling legal and policy environment for lesbian, gay, bisexual, transgender and queer-identified people, and people with intersex variations (LGBTQI+) in India, evidence gaps on LGBTQI+ health are of increasing concern. To that end, we conducted a scoping review to map and synthesize the current evidence base, identify research gaps, and provide recommendations for future research. We conducted a scoping review using the Joanna Briggs Institute methodology.

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Transgender women (TGW) in India, especially those who engage in sex work, are at high risk for HIV. Guided by the information-motivation-behavioral skills model and qualitative formative research findings, (girlfriend), a 3-week smartphone-based pilot intervention consisting of short videos (one/week) and text messages (two/week), was implemented using a one-group pre- and post-test design to test its efficacy in promoting condom use and HIV testing among TGW (N = 50) who engage in sex work in Chennai. Changes in outcomes were assessed by conducting multivariable analyses using generalized estimating equations.

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Scant empirical research from Asia has addressed the impact of COVID-19 on sexual minority health. We aimed to explore and understand the impact of COVID-19 on income security, mental health, HIV risk and access to health services among men who have sex with men (MSM) in India. We conducted a concurrent mixed methods study from April to June 2020, including a cross-sectional survey and in-depth semi-structured interviews with MSM recruited from three non-governmental organisations providing HIV prevention services in Chandigarh, India.

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Coronavirus disease 2019 (COVID-19)-related lockdowns in India have disrupted the meager sources of income of many transgender women, including those in the hijra subculture who largely rely on money from providing blessings, begging, and sex work. Many have expended savings and taken high-interest loans, contributing to psychological distress. For hijras engaged in sex work, challenges to negotiating condom use and adhering to COVID-19 protective measures increase risks for contracting HIV and COVID-19 amid decreased access to HIV services.

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  • COVID-19 vaccination for healthcare workers in India is crucial, and a study tracked HCWs' willingness to get vaccinated over three surveys conducted before, during, and after the vaccine rollout from October 2020 to May 2021.
  • The results showed an increase in willingness from 43.7% in the first survey to 73.2% in the third, with factors like trust in the healthcare system, confidence in domestic vaccines, and perceived risk of contracting COVID-19 being significant influencers.
  • Socio-demographic aspects, such as marital status and high socio-economic status, also played a role in the willingness to receive vaccines, particularly in the later survey conducted during the peak of the second COVID-19 wave in India.*
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Limited data is available on the associations between intersectional stigmas and mental health outcomes among men who have sex with men living with HIV (MSMLH) in India. The minority stress model postulates that sexual stigma contributes to depression through proximal stressors like internalized homonegativity (IHN). Using cross-sectional survey data from 119 MSMLH in 2015/16, we tested whether: (1) sexual stigma and enacted HIV stigma (EHS) are associated with depression; (2) their effects on depression are mediated through IHN and internalized HIV stigma (IHS); and (3) their effects on IHN are mediated through IHS.

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Background: Vaccine hesitancy is of considerable concern as it threatens the great potential of a vaccine against COVID-19. This study aims to determine factors associated with community health workers' willingness to participate in clinical trials of COVID-19 vaccine, and their vaccination intention, in India.

Methods: A cross-sectional study was conducted among 377 community health workers using self-administered anonymous questionnaire during the lockdown periods in India.

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Among transgender women living with HIV (TGWLH) in India, little is understood about the mechanisms through which multiple intersecting stigmas impact HIV care engagement, or intervention strategies that might mitigate this impact. We conducted focus groups with TGWLH (N = 30) in three Indian cities and analysed data using theoretical frameworks related to HIV stigma, gender affirmation, and syndemics. Findings revealed that enacted and anticipated stigma due to transgender identity, HIV, or sex work status, and lack of gender affirmation (e.

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Background: Responding to the fast transmission rates and increasing fatality rates, countries across the world expedited the development and deployment of the vaccine for coronavirus disease 2019 (COVID-19). Evaluation of individuals' willingness to pay (WTP) would provide pertinent information regarding future demand and financing preferences, which shall help to devise the effective payment strategy for COVID-19 vaccination.

Methods: A nationwide, cross-sectional, and self-administered online survey using a structured questionnaire was conducted to identify the sociodemographic determinants of willingness and extent to pay for COVID-19 vaccine in India.

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Background: Despite the success of adult vaccination against COVID-19, providing vaccines to children remains a challenge for policymakers globally. As parents are primary decision-makers for their children, we aimed to assess parents' perceptions and intentions regarding COVID-19 vaccination in India.

Methods: A cross-sectional web-based study was designed, parents or caregivers ( = 770) were recruited through snowball sampling using Google form.

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