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Comparison of the social contact patterns among school-age children in specific seasons, locations, and times.pdf
Epidemics 14 (2016) 36–44
Contents lists available at ScienceDirect
Epidemics
journal homepage: /locate/epidemics
Comparison of the social contact patterns among school-age children in speci?c seasons, locations, and times
Dih-Ling Luh a,b, Zhi-Shin You a, Szu-Chieh Chen a,b,?
a Department of Public Health, Chung Shan Medical University, Taichung 40201, Taiwan, ROC b Department of Family and Community Medicine, Chung Shan Medical University Hospital, Taichung 40201, Taiwan, ROC
article info
Article history: Received 12 May 2015 Received in revised form 31 July 2015 Accepted 22 September 2015 Available online 3 October 2015
Keywords: Seasonal in?uenza Behavior Contact patterns Contact diary Social mixing Taiwan
abstract
Social contact patterns among school-age children play an important role in the epidemiology of infectious disease. This study explored how people interact in speci?c seasons (?u season and non-?u season), environmental settings (city and county), and times (weekend and weekday). We conducted a survey of junior high school students (grades 7–8) using an established questionnaire during May–June 2013 and December 2013. The sample size with pair-wise comparisons for the times (weekday/weekend) and strati?cation by location and seasons were 75, 87, 105 and 106, respectively. The sample size with pairwise comparisons for the seasons (?u/non-?u) and strati?cation by location were 54 and 83, respectively. Conversation and skin-to-skin contact behaviors were surveyed through diary-based questionnaires, of which 665 valid questionnaires were returned. There was no difference in the number of contacts during the ?u and non-?u seasons, with averages of 16.3 (S.D. = 12.9) and 14.6 (S.D. = 9.5) people, respectively. However, statistical analysis showed that the average number of contacts in Taichung City and Yilan County were signi?cantly different (p 0.001). Weekdays were associated with 23–28% more contacts than weekend days during both the non-?u and ?u seaso
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