{"title":"Effect of studying abroad on catch-up vaccination in young adults: A study using the Japan Pretravel Consultation Registry.","authors":"Nobumasa Okumura, Kei Yamamoto, Noriko Iwamoto, Shinya Tsuzuki, Kenichi Hayashi, Koh Shinohara, Issaku Nakatani, Hidenori Nakagawa, Natsuko Imakita, Takashi Matono, Akihiro Manabe, Tsuyoshi Kitaura, Takahiro Mikawa, Masaya Yamato, Norio Ohmagari","doi":"10.1016/j.jiac.2024.10.015","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the effect of studying abroad on catch-up vaccination coverage for measles, rubella, mumps, varicella, and tetanus during the pretravel consultation among young adult travelers.</p><p><strong>Methods: </strong>This retrospective cohort study analyzed data from the Japan Pretravel Consultation Registry (J-PRECOR) on individuals aged 18-21 years with childhood vaccination records. Propensity score weighting was used to estimate the average treatment effect on the proportion of participants receiving catch-up vaccination.</p><p><strong>Results: </strong>Among 1091 eligible participants, the catch-up vaccination need was highest for mumps (65.7 %) and varicella (49.0 %) and lowest for measles (9.9 %) and rubella (14.0 %). In the unadjusted analysis, the catch-up vaccination rate was 70.6 % for tetanus, 50.9 % for measles, 47.7 % for rubella, 40.0 % for mumps, and 23.9 % for varicella. In the weighted analysis, the study-abroad group had significantly higher catch-up vaccination rates for measles (54.6 % vs. 29.8 %, P = 0.039), rubella (53.0 % vs. 22.1 %, P < 0.001), and varicella (26.8 % vs. 10.9 %, P = 0.002), whereas the non-study-abroad group had a higher catch-up vaccination rate for tetanus (62.4 % vs. 78.4 %, P = 0.024).</p><p><strong>Conclusion: </strong>Compared with other travelers, the catch-up vaccination rate among travelers studying abroad was higher for measles, rubella, and varicella, but lower for tetanus. In clients planning to study abroad, vaccinations required for travel should be recommended in addition to those required by the host institution, and vaccination against highly infectious diseases with potential for complications, such as measles, rubella, mumps, and varicella, should be recommended to clients traveling for reasons other than studying abroad.</p>","PeriodicalId":16103,"journal":{"name":"Journal of Infection and Chemotherapy","volume":" ","pages":""},"PeriodicalIF":1.9000,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Infection and Chemotherapy","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1016/j.jiac.2024.10.015","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"INFECTIOUS DISEASES","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose: To investigate the effect of studying abroad on catch-up vaccination coverage for measles, rubella, mumps, varicella, and tetanus during the pretravel consultation among young adult travelers.
Methods: This retrospective cohort study analyzed data from the Japan Pretravel Consultation Registry (J-PRECOR) on individuals aged 18-21 years with childhood vaccination records. Propensity score weighting was used to estimate the average treatment effect on the proportion of participants receiving catch-up vaccination.
Results: Among 1091 eligible participants, the catch-up vaccination need was highest for mumps (65.7 %) and varicella (49.0 %) and lowest for measles (9.9 %) and rubella (14.0 %). In the unadjusted analysis, the catch-up vaccination rate was 70.6 % for tetanus, 50.9 % for measles, 47.7 % for rubella, 40.0 % for mumps, and 23.9 % for varicella. In the weighted analysis, the study-abroad group had significantly higher catch-up vaccination rates for measles (54.6 % vs. 29.8 %, P = 0.039), rubella (53.0 % vs. 22.1 %, P < 0.001), and varicella (26.8 % vs. 10.9 %, P = 0.002), whereas the non-study-abroad group had a higher catch-up vaccination rate for tetanus (62.4 % vs. 78.4 %, P = 0.024).
Conclusion: Compared with other travelers, the catch-up vaccination rate among travelers studying abroad was higher for measles, rubella, and varicella, but lower for tetanus. In clients planning to study abroad, vaccinations required for travel should be recommended in addition to those required by the host institution, and vaccination against highly infectious diseases with potential for complications, such as measles, rubella, mumps, and varicella, should be recommended to clients traveling for reasons other than studying abroad.
期刊介绍：
The Journal of Infection and Chemotherapy (JIC) — official journal of the Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases — welcomes original papers, laboratory or clinical, as well as case reports, notes, committee reports, surveillance and guidelines from all parts of the world on all aspects of chemotherapy, covering the pathogenesis, diagnosis, treatment, and control of infection, including treatment with anticancer drugs. Experimental studies on animal models and pharmacokinetics, and reports on epidemiology and clinical trials are particularly welcome.
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