期刊
EPIDEMIOLOGY AND INFECTION
卷 140, 期 4, 页码 744-752出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0950268811001130
关键词
Contact diary; direct transmission; epidemiology; networks; respiratory infections
资金
- Swiss National Science Foundation [32003B_127548]
- Swiss National Science Foundation (SNF) [32003B_127548] Funding Source: Swiss National Science Foundation (SNF)
The analysis of contact networks plays a major role to understanding the dynamics of disease spread. Empirical contact data is often collected using contact diaries. Such studies rely on self-reported perceptions of contacts, and arrangements for validation are usually not made. Our study was based on a complete network study design that allowed for the analysis of reporting accuracy in contact diary studies. We collected contact data of the employees of three research groups over a period of 1 work week. We found that more than one third of all reported contacts were only reported by one out of the two involved contact partners. Non-reporting is most frequent in cases of short, non-intense contact. We estimated that the probability of forgetting a contact of <= 5 min duration is greater than 50%. Furthermore, the number of forgotten contacts appears to be proportional to the total number of contacts.
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