Volume 17, Number 6—June 2011
Dispatch
Internet Queries and Methicillin-Resistant Staphylococcus aureus Surveillance
Table
Multiple regression results for model relating UHC MRSA hospitalization rates per 1,000 hospitalizations to Google searches for “MRSA” or “staph” (normalized and scaled)*
Characteristic | Coefficient | 95% CI | SE | t value | p>t |
---|---|---|---|---|---|
Intercept | 9.03 | 7.56 to 10.50 | 0.69 | 13.07 | <0.001 |
Google searches | 0.25 | 0.18 to 0.32 | 0.032 | 7.73 | <0.001 |
2007 4th quarter indicator | −21.45 | −28.10 to −14.80 | 3.12 | −6.87 | 0.001 |
2008 indicator | −3.06 | −4.55 to −1.57 | 0.70 | −4.37 | <0.001 |
*UHC, University HealthSystems Consortium; MRSA, methicillin-resistant Staphylococcus aureus; CI, confidence interval. The overall model F(3,15) was 29.69 (p<0.0001), R2 0.8559, and adjusted R2 0.8270. Correlation coefficient between predicted values of this model and observed rates was 0.9251.