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Pitchada Prasittichok 2 Articles
Pre-exposure Prophylaxis Adherence Among Men Who Have Sex With Men: A Systematic Review and Meta-analysis
Suchitra Hudrudchai, Charin Suwanwong, Pitchada Prasittichok, Kanu Priya Mohan, Nopphadol Janeaim
J Prev Med Public Health. 2024;57(1):8-17.   Published online December 12, 2023
DOI: https://doi.org/10.3961/jpmph.23.345
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AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
The effectiveness and efficiency of pre-exposure prophylaxis (PrEP) in reducing the transmission of human immunodeficiency virus (HIV) among men who have sex with men (MSM) relies on how widely it is adopted and adhered to, particularly among high-risk groups of MSM. The meta-analysis aimed to collect and analyze existing evidence on various factors related to PrEP adherence in MSM, including demographic characteristics, sexual behaviors, substance use, and psychosocial factors.
Methods
The meta-analysis followed the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. The search included articles published between January 2018 and December 2022, obtained from the PubMed, ScienceDirect, and Scopus databases. The studies that were included in the analysis reported the proportion of MSM who demonstrated adherence to PrEP and underwent quality appraisal using the Newcastle-Ottawa Scale.
Results
Of the 268 studies initially identified, only 12 met the inclusion criteria and were included in the final meta-analysis. The findings indicated that education (odds ratio [OR], 1.64; 95% confidence interval [CI], 1.12 to 2.40), number of sexual partners (OR, 1.16; 95% CI, 1.02 to 1.31), engaging in sexual activities with an human immunodeficiency virus-positive partner (OR, 1.59; 95% CI, 1.16 to 2.26), substance use (OR, 0.83; 95% CI, 0.70 to 0.99), and lower levels of depression (OR, 0.55; 95% CI, 0.37 to 0.82) were associated with higher rates of PrEP adherence among MSM.
Conclusions
Despite these findings, further research is necessary to investigate PrEP adherence more comprehensively. The findings of this meta-analysis can be utilized to inform interventions aimed at improving PrEP adherence among MSM and provide directions for future research in this area.
Summary
Key Message
This systematic review and meta-analysis confirmed that factors such as education, number of sexual partners, engagement in sexual activities with an HIV-positive partner, substance use, and lower levels of depression were associated with higher rates of PrEP adherence among MSM. Healthcare providers and interventions should take these aspects into consideration when developing strategies to promote optimal PrEP adherence and reduce the risk of HIV transmission.
Causal Model of Herb Use Behavior Among Working-age Adults in Thailand
Pitchada Prasittichok, Patcharee Duangchan, Sattawat Prapasiri, Ungsinun Intarakamhang
Received December 1, 2023  Accepted May 30, 2024  Published online June 21, 2024  
DOI: https://doi.org/10.3961/jpmph.23.554    [Accepted]
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AbstractAbstract PDF
Objectives
This study developed a causal relationship model of herb use from observational data and analyzed the direct and indirect effects of herb use on health according to the model.
Methods
A cross-sectional study was conducted with 400 participants aged 26-59 years, selected through multistage random sampling. The instruments used for data collection included demographic information, herb use, health literacy (HL), perceived social support, societal values, and attitudes toward herb use. The conceptual model, hypothesized based on prior evidence, was tested using confirmatory factor analysis through structural equation modeling. Path coefficients were estimated using the maximum likelihood method.
Results
The final model utilized empirical data, which showed that perceived social support had the most significant impact on herb use. This was followed by HL, positive attitudes toward herbal remedies, and societal values, with coefficients of 0.31, 0.18, and 0.16, respectively. When analyzing variables that indirectly affected herb use, it was clear that positive attitudes, perceived social support, and societal values significantly influenced herb use through HL, with influence coefficients of 0.08, 0.16, and 0.04, respectively. Together, these variables accounted for 68% of the variance in herb use.
Conclusions
The findings from this study can be utilized to develop and implement strategies that guide the use of herbal products, ultimately aiming to improve human health.
Summary

JPMPH : Journal of Preventive Medicine and Public Health