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COVID-19: Original Article
Perceived usefulness of COVID-19 tools for contact tracing among contact tracers in Korea
Seonyeong Gong, Jong Youn Moon, Jaehun Jung
Epidemiol Health. 2022;44:e2022106.   Published online November 15, 2022
DOI: https://doi.org/10.4178/epih.e2022106
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  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
In Korea, contact tracing for coronavirus disease 2019 is conducted using information from credit card records, handwritten visitor logs, KI-Pass (QR code), and the Safe Call system after an interview. We investigated the usefulness of these tools for contact tracing.
METHODS
An anonymous survey was conducted for 2 months (July to September 2021) among contact tracers throughout Korea. The questionnaire consisted of 4 parts: (1) demographic characteristics; (2) the usefulness of each tool for contact tracing; (3) the order in which information was checked during contact tracing; and (4) the match rate between tools for contact tracing, screening test rate, response rate, and helpfulness (rated on a Likert scale).
RESULTS
In total, 190 individuals completed the survey. When asked to rate the usefulness of each tool for contact tracing on a Likert scale, most respondents (86.3%) provided positive responses for credit card records, while the most common responses for handwritten visitor logs were negative. The highest percentage of positive responses for helpfulness was found for KI-Pass (91.1%), followed in descending order by credit card records (82.6%), Safe Call (78.2%), and handwritten visitor logs (22.1%).
CONCLUSIONS
Over 80% of participants provided positive responses for credit card records, KI-Pass, and Safe Call data, while approximately 50% provided negative responses regarding the usefulness of handwritten visitor logs. Our findings highlight the need to unify systems for post-interview contact tracing to increase their convenience for contact tracers, as well as the need to improve tools utilizing handwritten visitor logs for digitally vulnerable groups.
Summary
Korean summary
본 연구는 국내 역학조사 담당자들을 대상으로 시행한 설문조사를 중심으로 면담조사 후 추가적으로 실시하는 다양한 접촉자 추적 방법의 유용성에 대한 분석을 목표로 한다. 응답자 중 약 80% 이상이 카드결제기록, KI-Pass, GPS 및 CCTV 정보의 유용성에 대해 긍정적으로 응답하였다. 반면 약 50%는 수기명부의 유용성에 대해 부정적으로 응답하였다. 본 연구의 결과는 역학조사관과 사용자 모두의 편의를 위해 역학조사 방법의 일원화가 필요할 뿐만 아니라 디지털 취약 계층을 위해 수기명부를 대체할 수 있는 시스템의 필요성을 시사한다.
Key Message
We conducted an anonymous online survey to assess the usefulness of tools for contact tracing for COVID-19 in Korea. Over 80% of participants provided positive responses regarding the usefulness of credit card records, KI-Pass, and Safe Call data, while approximately 50% provided negative responses regarding the usefulness of handwritten visitor logs. Our findings highlight the need to unify contact tracing systems to increase their convenience for contact tracers.

Citations

Citations to this article as recorded by  
  • Uncovering COVID-19 transmission tree: identifying traced and untraced infections in an infection network
    Hyunwoo Lee, Hayoung Choi, Hyojung Lee, Sunmi Lee, Changhoon Kim
    Frontiers in Public Health.2024;[Epub]     CrossRef

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