Selected article for: "ILI incidence and incidence rate"
Author: Chu, Yanhui; Wu, Zhenyu; Ji, Jiayi; Sun, Jingyi; Sun, Xiaoyu; Qin, Guoyou; Qin, Jingning; Xiao, Zheng; Ren, Jian; Qin, Di; Zheng, Xueying; Wang, Xi-Ling
Title: Effects of school breaks on influenza-like illness incidence in a temperate Chinese region: an ecological study from 2008 to 2015
  • Document date: 2017_3_6
    • ID: r7a0orh7_6
    Snippet: Data analysis ILI incidence rate ratios (IRRs) of schoolchildren (5-14 and 15-24 years of age) to adults (aged 25-59 and 60 years or older) were used to measure the age shift of ILI incidence before, during and after the 4-week winter/7-week summer breaks. In this study, we used 25 years of age as the cut-off point for schoolchildren and adults, because the ILI surveillance system in Beijing reported weekly ILI numbers by age groups of 0-4, 5-14,.....
    Document: Data analysis ILI incidence rate ratios (IRRs) of schoolchildren (5-14 and 15-24 years of age) to adults (aged 25-59 and 60 years or older) were used to measure the age shift of ILI incidence before, during and after the 4-week winter/7-week summer breaks. In this study, we used 25 years of age as the cut-off point for schoolchildren and adults, because the ILI surveillance system in Beijing reported weekly ILI numbers by age groups of 0-4, 5-14, 15-24, 25-59 and 60 years or older, without specific age for each case. Owing to data availability, we grouped individuals under 25 years of age as schoolchildren, which was close to but might be a bit older than the true cut-off for schoolchildren.

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