Volume 24, Number 12—December 2018
Synopsis
Restaurant Inspection Letter Grades and Salmonella Infections, New York, New York, USA
Table 2
Mean Salmonella infection rates for New York, NY, USA, and the rest of the state, by policy implementation period, 1994–2015*
Location |
1994–2005 |
2006–2010 |
2011–2015 |
||||||||
Mean (SE) |
95% CI |
p value |
Mean (SE) |
95% CI |
p value |
Mean (SE) |
95% CI |
p value |
|||
NYC | 20.0 (1.3) | 17.1–22.9 | Ref | 15.8 (0.2) | 15.3–16.3 | 0.06‡ | 12.6 (0.6) | 10.9–14.4 | <0.01‡ | ||
NYS | 14.4 (0.7) | 12.9–16.0 | Ref | 12.9 (0.2) | 12.4–13.5 | 0.21‡ | 12.0 (0.2) | 11.4–12.6 | 0.01‡ | ||
NYC vs. NYS† | <0.01 | <0.01 | 0.37 |
*NYC, New York City; Ref, referent; NYC, rest of New York state.
†Comparison of mean rate between NYC and NYS within time period.
‡Comparison of mean rate within region to the preceding time period.