Skip to main content
. 2016 Dec 20;6:38522. doi: 10.1038/srep38522

Table 2. Spearman’s rho correlation coefficients for diseases notifications-search metrics for the period 2009–13.

Disease Top ranked search term ACT NSW NT QLD SA TAS VIC WA AUS p-value
Gonococcal infection discharge   0.795 −0.028 0.298 0.205   0.556 0.265 0.786 <0.00001
Varicella zoster (Shingles) diarrhea       −0.400 0.546   0.578 0.633 0.762 <0.00001
Pneumococcal disease (invasive) bronchitis   0.558   0.338     0.402   0.753 <0.00001
Ross River virus infection "ross river"   0.456   0.082         0.742 <0.00001
Pertussis whooping   0.661   0.489     0.525 0.700 0.651 <0.00001
Chlamydial infection blood test   0.540 0.038 0.208 0.433   0.390 0.557 0.634 <0.00001
Varicella zoster (unspecified) blood test     −0.023 0.297 −0.404   0.316 0.400 0.628 <0.00001
Varicella zoster (Chickenpox) conjunctivitis       0.071     0.380   0.624 <0.00001
Cryptosporidiosis ross river virus                 0.569 <0.00001
Barmah Forest virus infection ross river virus                 0.539 <0.00001
Dengue virus infection dengue −0.036 0.337   0.508     0.569   0.507 <0.00001
Influenza (laboratory confirmed) flu symptoms 0.344 0.290   0.589     0.485   0.423 <0.00001
Leptospirosis ross river   0.110   0.059         0.405 <0.00001
Measles measles   0.198   0.263     0.119   0.367 <0.00001
Hepatitis C (unspecified) hepatitis   0.193   0.116 −0.149   0.142 −0.035 0.297 <0.00001
Hepatitis A hepatitis a   −0.167             0.293 <0.00001
Murray Valley encephalitis virus infection murray valley encephalitis                 0.265 <0.0001
Legionellosis legionnaires         0.108       0.237 <0.0001
Hepatitis B hepatitis   0.183   0.097 −0.060   0.067 −0.007 0.230 <0.001
Meningococcal disease (invasive) rulide                 0.222 <0.001
Chikungunya virus infection dengue   −0.023   0.104     0.140   0.194 0.0013
Hepatitis B (newly acquired) hepatitis   −0.116   −0.014 −0.064   0.157 −0.037 0.123 0.0333
Listeriosis listeria −0.010               0.091 0.0906
Botulism botulism                 0.053 0.2299

The table only contains the search term with the highest degree of correlation for each disease; see supplementary material for a full list of search terms and correlation coefficients. p-values relate to correlations at national level. Empty cells indicate that Google Trends data were not available.