ปัจจัยที่มีความสัมพันธ์กับการใช้ยาป้องกันเชื้อเอชไอวีก่อนการสัมผัสโรค (เพร็พ) ในกลุ่มชายที่มีเพศสัมพันธ์กับชาย จังหวัดเชียงราย

Witthaya Sonsena; Prin Pongruethat

Authors

Witthaya Sonsena Faculty of Public Health, Thammasat University
Prin Pongruethat Faculty of Public Health, Thammasat University

Keywords:

pre, hiv, men who have sex with men

Abstract

Introduction: Pre-exposure prophylaxis (PrEP) has been proven to be an effective strategy for preventing HIV transmission among men who have sex with men (MSM). However, the current uptake of PrEP in Chiang Rai Province remains below the target.

Research objectives: To investigate factors associated with PrEP usage among MSM in Chiang Rai Province.

Research methodology: This case-control study was conducted in Chiang Rai Province between August and October 2024. Data were collected from 186 PrEP users and 376 non-users using a validated questionnaire covering demographic information, sexual risk behaviors, perceptions of PrEP, and facilitating factors influencing its use. The instrument demonstrated strong content validity and internal consistency, with Cronbach’s alpha coefficients of .95 for sexual risk behaviors, .97 for perceptions, and .85 for facilitating factors. Data were analyzed using descriptive statistics, as well as univariate and multivariate analyses with binary logistic regression.

Results: PrEP usage was associated with high perceived benefits of PrEP (OR = 7.23, 95% confidence interval [CI] = 4.04 – 12.93), high accessibility to healthcare services (OR = 7.00, 95% CI = 2.03 – 24.26), history of sexually transmitted infections within the past six months (OR = 6.22, 95% CI = 2.80 – 13.83), alcohol consumption (OR = 6.09, 95% CI = 2.55 - 14.55), positive attitudes and values toward PrEP (OR = 3.55, 95% CI = 1.97 - 6.41), high perceived barriers to practice (OR = .12, 95% CI = .06 - .24) and moderate perceived barriers to practice (OR = .05, 95% CI = .01 - .44).

Conclusion: Multiple factors were significantly associated with PrEP use among MSM in Chiang Rai Province.

Implications: Planning for Reach-Recruit-Test-Treat-PrEP-Retain service delivery in Chiang Rai should focus on encouraging high-risk groups, particularly those with a history of sexually transmitted infections and alcohol consumption, to recognize the importance of PrEP. The support is needed to increase awareness of the benefits, foster positive attitudes and values, and address perceived barriers to PrEP usage. Additionally, expanding healthcare service accessibility across the province is essential to ensure that high-risk populations can access PrEP appropriately, and equitably.

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