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Statistical Analysis

SC Shan Chen
TL Tianjiao Liu
XL Xin Li
YL Yingjuan Luo
LX Li Xiao
LZ Libing Zhang
RW Rongkang Wen
YL Yonghong Lin
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The software SPSS version 23.0 (IBM SPSS Inc., US) was applied for statistical analysis in this research. Categorical variables were all presented in the form of frequencies and percentages, including health QR code colors, age groups, educational background, monthly family income, epidemiological history, etc. Chi-square tests were used for the analysis of categorical variables. The continuous variable in the current study was the time (seconds) needed to obtain epidemiological history through different methods. It was shown in the form of mean ± SD and analyzed by Student’s t-test. A p-value < 0.05 was regarded as statistically significant.

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