Multilevel factors associated with HIV-related stigma among women living with HIV in Guangdong Province, China: a social-ecological model-informed study.

BACKGROUND: HIV-related stigma continues to hinder optimal HIV care, and its determinants should be understood at multiple levels. Based on the social-ecological model, this study aimed to explore factors associated with HIV-related stigma among women living with HIV in Guangdong Province, China. METHODS: A cross-sectional study was conducted from July to August 2022 to recruit newly reported women living with HIV with a history of pregnancy or current pregnancy in 2021 in 21 cities in Guangdong Province. HIV-related stigma was assessed using an abbreviated Chinese version of Berger's HIV Stigma Scale. Univariate and multivariable hierarchical regression analyses based on the social-ecological model were conducted to explore factors associated with HIV-related stigma and its four dimensions (personalized stigma, disclosure concerns, negative self-image and concerns about public attitudes) at the community/hospital, interpersonal, and individual levels. RESULTS: A moderate level of HIV-related stigma was found among the 360 participants included, with a mean score of 45.26. Multivariable hierarchical regression analysis showed that at the community/hospital-level, individuals were more likely to experience high levels of HIV-related stigma if they had experienced the discriminatory behaviors from health care workers (aOR = 2.34, 95%CI: 1.48-3.70) and if they rated serostatus disclosure services as less helpful (aOR = 0.69, 95%CI: 0.48-0.98). At the interpersonal-level, individuals with an HIV-positive partner (aOR = 1.71, 95%CI: 1.01-2.90) were more likely to experience high levels of HIV-related stigma than those with an HIV-negative or unknown partner. Individuals with high resilience (aOR = 0.22, 95%CI: 0.13-0.35) had lower levels of HIV-related stigma at the individual-level. In addition, ever experiencing discriminatory behaviors from health care workers, thinking serostatus disclosure services helpful, having ever seen publicity about personal interest protection services and complaint channels for people living with HIV(PLHIV), knowing about care and support services for PLHIV from social organizations at the community/hospital-level, partner notification and support at the interpersonal-level, and violations of personal interests, resilience at the individual-level were also associated with different dimensions of HIV-related stigma. CONCLUSIONS: HIV-related stigma was moderate among women living with HIV. The social-ecological model can facilitate a better understanding of factors associated with HIV-related stigma. Multilevel intervention strategies need to be tailored to reduce HIV-related stigma.

Preferences for COVID-19 Vaccines: Systematic Literature Review of Discrete Choice Experiments.

BACKGROUND: Vaccination can be viewed as comprising the most important defensive barriers to protect susceptible groups from infection. However, vaccine hesitancy for COVID-19 is widespread worldwide. OBJECTIVE: We aimed to systematically review studies eliciting the COVID-19 vaccine preference using discrete choice experiments. METHODS: A literature search was conducted in PubMed, Embase, Web of Science, Scopus, and CINAHL Plus platforms in April 2023. Search terms included discrete choice experiments, COVID-19, and vaccines and related synonyms. Descriptive statistics were used to summarize the study characteristics. Subgroup analyses were performed by factors such as high-income countries and low- and middle-income countries and study period (before, during, and after the pandemic wave). Quality appraisal was performed using the 5-item Purpose, Respondents, Explanation, Findings, and Significance checklist. RESULTS: The search yield a total of 623 records, and 47 studies with 53 data points were finally included. Attributes were grouped into 4 categories: outcome, process, cost, and others. The vaccine effectiveness (21/53, 40%) and safety (7/53, 13%) were the most frequently reported and important attributes. Subgroup analyses showed that vaccine effectiveness was the most important attribute, although the preference varied by subgroups. Compared to high-income countries (3/29, 10%), a higher proportion of low- and middle-income countries (4/24, 17%) prioritized safety. As the pandemic progressed, the duration of protection (2/24, 8%) during the pandemic wave and COVID-19 mortality risk (5/25, 20%) after the pandemic wave emerged as 2 of the most important attributes. CONCLUSIONS: Our review revealed the critical role of vaccine effectiveness and safety in COVID-19 vaccine preference. However, it should be noticed that preference heterogeneity was observed across subpopulations and may change over time. TRIAL REGISTRATION: PROSPERO CRD42023422720; https://tinyurl.com/2etf7ny7.

Development and validation of an individualised nomogram to predict mother-to-child transmission in pregnant women with syphilis in China: a retrospective cohort study.

OBJECTIVES: The elimination of mother-to-child transmission (MTCT) of syphilis has been set as a public health priority. However, an instrument to predict the MTCT of syphilis is not available. We aimed to develop and validate an intuitive nomogram to predict the individualised risk of MTCT in pregnant women with syphilis in China. DESIGN: Retrospective cohort study. SETTING: Data was acquired from the National Information System of Prevention of MTCT of Syphilis in Guangdong province between 2011 and 2020. PARTICIPANTS: A total of 13 860 pregnant women with syphilis and their infants were included and randomised 7:3 into the derivation cohort (n=9702) and validation cohort (n=4158). PRIMARY OUTCOME MEASURES: Congenital syphilis. RESULTS: Among 13 860 pregnant women with syphilis and their infants included, 1370 infants were diagnosed with congenital syphilis. Least absolute shrinkage and selection operator regression and multivariable logistic regression showed that age, ethnicity, registered residence, marital status, number of pregnancies, transmission route, the timing of syphilis diagnosis, stage of syphilis, time from first antenatal care to syphilis diagnosis and toluidine red unheated serum test titre were predictors of MTCT of syphilis. A nomogram was developed based on the predictors, which demonstrated good calibration and discrimination with an area under the curve of the receiver operating characteristic of 0.741 (95% CI: 0.728 to 0.755) and 0.731 (95% CI: 0.710 to 0.752) for the derivation and validation cohorts, respectively. The net benefit of the predictive models was positive, demonstrating a significant potential for clinical decision-making. We have also developed a web calculator based on this prediction model. CONCLUSIONS: Our nomogram exhibited good performance in predicting individualised risk for MTCT of syphilis, which may help guide early and personalised prevention for MTCT of syphilis.

Student engagement in voluntary service in response to COVID-19 in Guangzhou, China: Implications for disease control and public health education from a cross-sectional study.

Public health students have been seen as a potential force to meet the demand for health workers during the coronavirus disease 2019 (COVID-19) pandemic. However, few studies have provided empirical data. This study was conducted to summarize the experiences of public health students who engaged in voluntary service in response to the COVID-19 outbreak in Guangzhou, China. A cross-sectional study was conducted among postgraduate and undergraduate students at the School of Public Health, Guangdong Pharmaceutical University, in August 2021. A self-designed online questionnaire was used to collect data on the experience of voluntary service during the early stage of the outbreak (in February 2020) and during the normalization stage of the prevention and control of COVID-19 (in June 2021) in China. Among the 96 students, 40 (41.7%) participated in voluntary service in February 2020, and 56 (58.3%) participated in voluntary service in June 2021. Most of the students participated in the voluntary service due to the motivations to help others (55.2%), to apply theoretical knowledge to practice (74.0%), to improve their fieldwork skills (72.9%), and to gain the experience for future careers (80.2%). Most volunteers were driven by professional responsibility (81.3%). More than half (53.1%) of the students felt anxious during their voluntary service. A lower proportion of students felt anxious in June 2021 than in February 2020 (44.6% vs 65.0%, P = .049), while a higher proportion of students found voluntary service harder than expected in June 2021 than in February 2020 (33.9% vs 7.5%, P = .002). Most students improved their knowledge and skills about COVID-19 after the training, but some knowledge and skills still needed improvement after their voluntary service. Public health students could help support the health system during the COVID-19 pandemic by providing adequate training and protection. More efforts should be made to provide psychological support for student volunteers and to optimize the curriculum to bridge the gap in public health education between theoretical knowledge and practical skills in responding to public health emergencies.

Analysis of associated factors of the inconsistency for knowledge and behavior in condom use among college students in Zhuhai City / 中国学校卫生

Objective@#To examine the prevalence and factors influencing the inconsistency for knowledge and behavior in condom use among college students, so as to provide suggestions for AIDS prevention and education in universities.@*Methods@#From October to December 2019, a multistage cluster sampling method was employed to collect data relating to inconsistency for knowledge and behavior in condom use and other related factors among 1 303 students from six colleges in Zhuhai, China. Chi square test and Logistic regression were performed to analyze the influencing factors and moderating effect.@*Results@#The reporting rate of in consistency of knowledge and behavior in condom use among college students was 41.1%. Multivariate Logistic regression analysis showed that seeking sexual partners offline was negatively correlated with inconsistency for knowledge and behavior in condom use ( OR=0.70, 95%CI =0.51-0.95). However, condom nonuse during the first sexual experience (OR=7.11, 95%CI=5.23-9.67), smoking before sex ( OR=1.47, 95%CI =1.07-2.02), drinking before sex ( OR=1.44, 95%CI =1.09-1.91), history of intimate partner violence ( OR=1.53, 95%CI =1.13-2.07), and having multiple sexual partners ( OR=1.69, 95%CI =1.25-2.29) were positively correlated with inconsistency for knowledge and behavior in condom use ( P <0.05). The moderating effect analysis showed that condom use during the first sexual experience had a moderating effect on smoking before sex and inconsistency for knowledge and behavior in condom use ( β=0.92, P <0.05). Among students who did not use condoms during the first sexual experience, a positive correlation was observed between smoking before sex and inconsistency for knowledge and behavior in condom use ( OR= 2.76 , 95%CI=1.09-6.99, P <0.05). However, no correlation was found between smoking before sex and inconsistency for knowledge and behavior in condom use ( OR=1.32, 95%CI=0.92-1.88, P >0.05) among students who used condoms during the first sexual experience.@*Conclusion@#High levels of inconsistency for knowledge and behavior in condom use are found among college students in Zhuhai City. Colleges should carry out sex education activities as soon as possible, and explore new health education models to promote the transformation of their knowledge into behavior.