Table 2 Correlation analysis of Baidu Search index and HIV/AIDS reported cases.

From: Using Baidu Search Engine to Monitor AIDS Epidemics Inform for Targeted intervention of HIV/AIDS in China

Keyword (in English)

Coefficients

P value

Keyword (in English)

Coefficients

P value

AIDS-testing

0.639

<0.001

Thrush

0.766

<0.001

AIDS virus

0.652

<0.001

Zidovudine

0.767

<0.001

AIDS test strip

0.654

<0.001

Street walker

0.771

<0.001

AIDS

0.662

<0.001

Acyclovir

0.776

<0.001

AIDS examination

0.665

<0.001

Initial symptoms of HIV

0.792

<0.001

AIDS incubation period

0.667

<0.001

How to check AIDS

0.799

<0.001

Taking drugs

0.700

<0.001

Prostitute

0.804

<0.001

Spread of AIDS

0.704

<0.001

HIV

0.819

<0.001

AIDS window period

0.730

<0.001

Papule

0.879

<0.001

Sexual services

0.751

<0.001

   
  1. Correlation coefficient is calculated by Spearman’s rank method. Only the key search keywords with correlation coefficients of 0.6 or above are listed.
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