Table 2.
Average peak timing in months and amplitude and their 95% confidence intervals for monthly rates per 1,000,000 persons for nine infections reported by FoodNet in the United States and ten surveyed states from 1996 to 2017.
| US | CA | CO | CT | GA | MD | MN | NM | NY | OR | TN | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bacteria, > 10.0 cpm | |||||||||||
| Salmonella | |||||||||||
| LCI | 7.713 | 7.339 | 7.175 | 7.198 | 8.124 | 7.513 | 7.061 | 7.536 | 7.050 | 6.777 | 7.700 |
| PT | 7.793 | 7.558 | 7.528 | 7.430 | 8.236 | 7.649 | 7.260 | 7.845 | 7.226 | 7.078 | 7.841 |
| UCI | 7.874 | 7.777 | 7.881 | 7.663 | 8.349 | 7.784 | 7.458 | 8.153 | 7.402 | 7.379 | 7.982 |
| LCI | 1.678 | 1.425 | 1.317 | 1.559 | 2.031 | 1.712 | 1.470 | 1.666 | 1.710 | 1.318 | 1.768 |
| AMP | 1.704 | 1.470 | 1.377 | 1.615 | 2.079 | 1.757 | 1.515 | 1.730 | 1.776 | 1.373 | 1.818 |
| UCI | 1.731 | 1.514 | 1.438 | 1.672 | 2.127 | 1.802 | 1.560 | 1.794 | 1.841 | 1.428 | 1.868 |
| Campylobacter | |||||||||||
| LCI | 7.077 | 6.887 | 7.051 | 6.989 | 6.669 | 7.023 | 7.253 | 7.571 | 7.297 | 6.986 | 6.983 |
| PT | 7.304 | 7.528 | 7.291 | 7.224 | 6.973 | 7.272 | 7.408 | 7.809 | 7.491 | 7.188 | 7.196 |
| UCI | 7.530 | 8.168 | 7.530 | 7.459 | 7.277 | 7.521 | 7.563 | 8.048 | 7.686 | 7.390 | 7.410 |
| LCI | 1.454 | 1.152 | 1.523 | 1.520 | 1.401 | 1.551 | 1.651 | 1.734 | 1.579 | 1.410 | 1.476 |
| AMP | 1.502 | 1.211 | 1.591 | 1.572 | 1.463 | 1.615 | 1.689 | 1.794 | 1.630 | 1.454 | 1.525 |
| UCI | 1.550 | 1.270 | 1.659 | 1.624 | 1.524 | 1.678 | 1.726 | 1.854 | 1.681 | 1.498 | 1.575 |
| Bacteria, < 5.0 cpm | |||||||||||
| Shigella | |||||||||||
| LCI | 8.070 | 7.788 | 8.450 | 6.631 | 7.782 | 6.550 | 6.696 | 8.401 | 7.308 | 8.315 | 7.440 |
| PT | 8.589 | 8.558 | 8.834 | 7.629 | 8.812 | 7.611 | 7.824 | 8.949 | 8.657 | 9.221 | 9.360 |
| UCI | 9.108 | 9.328 | 9.219 | 8.627 | 9.842 | 8.672 | 8.953 | 9.498 | 10.01 | 10.13 | 11.28 |
| LCI | 1.236 | 1.208 | 1.779 | 1.141 | 1.148 | 1.306 | 1.156 | 1.497 | 1.149 | 1.219 | 0.991 |
| AMP | 1.305 | 1.317 | 1.931 | 1.296 | 1.250 | 1.510 | 1.369 | 1.636 | 1.355 | 1.355 | 1.154 |
| UCI | 1.374 | 1.426 | 2.083 | 1.451 | 1.351 | 1.714 | 1.582 | 1.775 | 1.562 | 1.491 | 1.318 |
| STEC | |||||||||||
| LCI | 7.655 | 7.800 | 7.074 | 6.977 | 6.817 | 7.626 | 7.661 | 7.262 | 7.604 | 7.864 | 6.916 |
| PT | 7.806 | 8.262 | 7.429 | 7.411 | 7.232 | 7.942 | 7.836 | 7.611 | 7.995 | 8.083 | 7.299 |
| UCI | 7.957 | 8.724 | 7.784 | 7.845 | 7.647 | 8.257 | 8.011 | 7.960 | 8.385 | 8.301 | 7.683 |
| LCI | 2.233 | 1.732 | 1.802 | 1.758 | 1.743 | 1.939 | 2.613 | 1.864 | 2.198 | 2.406 | 1.747 |
| AMP | 2.306 | 1.904 | 1.968 | 1.932 | 1.875 | 2.066 | 2.714 | 2.000 | 2.396 | 2.542 | 1.873 |
| UCI | 2.379 | 2.076 | 2.133 | 2.106 | 2.008 | 2.194 | 2.815 | 2.136 | 2.594 | 2.679 | 2.000 |
| Bacteria, < 0.5 cpm | |||||||||||
| Listeria | |||||||||||
| LCI | 8.048 | 4.292 | 8.025 | 7.794 | 5.229 | 7.800 | 8.736 | 7.895 | 8.028 | 7.755 | 7.019 |
| PT | 8.351 | 7.027 | 8.648 | 8.196 | 6.481 | 8.345 | 9.383 | 8.755 | 8.627 | 8.317 | 8.624 |
| UCI | 8.654 | 9.762 | 9.272 | 8.597 | 7.733 | 8.889 | 10.03 | 9.614 | 9.226 | 8.879 | 10.23 |
| LCI | 1.497 | 0.937 | 1.949 | 1.832 | 1.092 | 1.571 | 1.752 | 2.034 | 1.854 | 1.611 | 1.052 |
| AMP | 1.572 | 1.118 | 2.406 | 2.018 | 1.257 | 1.742 | 2.012 | 2.596 | 2.079 | 1.793 | 1.263 |
| UCI | 1.646 | 1.298 | 2.863 | 2.203 | 1.423 | 1.913 | 2.273 | 3.158 | 2.305 | 1.974 | 1.475 |
| Vibrio | |||||||||||
| LCI | 7.592 | 7.707 | 7.328 | 7.560 | 7.257 | 7.337 | 7.178 | 7.388 | 7.265 | 7.652 | 6.977 |
| PT | 7.718 | 7.914 | 7.764 | 7.786 | 7.667 | 7.499 | 7.628 | 8.648 | 7.603 | 7.844 | 7.459 |
| UCI | 7.844 | 8.121 | 8.200 | 8.011 | 8.076 | 7.662 | 8.078 | 9.907 | 7.941 | 8.036 | 7.940 |
| LCI | 3.893 | 5.540 | 3.182 | 4.867 | 2.113 | 5.644 | 2.417 | 1.697 | 3.611 | 8.254 | 2.227 |
| AMP | 4.020 | 5.817 | 3.576 | 5.211 | 2.269 | 5.851 | 2.742 | 2.258 | 3.999 | 8.743 | 2.508 |
| UCI | 4.148 | 6.095 | 3.969 | 5.554 | 2.426 | 6.059 | 3.066 | 2.818 | 4.387 | 9.232 | 2.789 |
| Yersinia | |||||||||||
| LCI | 12.34 | 8.203 | 5.989 | 3.295 | 12.47 | 12.62 | 5.906 | 6.790 | 1.615 | 1.835 | 12.75 |
| PT | 1.089 | 12.51 | 7.755 | 7.481 | 12.84 | 2.612 | 7.204 | 8.648 | 4.233 | 3.380 | 1.461 |
| UCI | 1.841 | 5.814 | 9.521 | 11.67 | 1.222 | 5.608 | 8.502 | 10.51 | 6.850 | 4.924 | 2.173 |
| LCI | 1.144 | 0.862 | 1.080 | 0.905 | 2.185 | 0.953 | 1.109 | 1.000 | 0.960 | 1.033 | 1.460 |
| AMP | 1.265 | 1.069 | 1.337 | 1.085 | 2.433 | 1.144 | 1.246 | 1.558 | 1.135 | 1.196 | 1.654 |
| UCI | 1.386 | 1.277 | 1.595 | 1.265 | 2.681 | 1.336 | 1.383 | 2.117 | 1.310 | 1.359 | 1.847 |
| Protozoa, < 5.0 cpm | |||||||||||
| Cryptosporidium | |||||||||||
| LCI | 7.959 | 6.110 | 7.801 | 7.882 | 8.004 | 8.012 | 7.726 | 7.625 | 7.997 | 7.166 | 8.001 |
| PT | 8.194 | 8.635 | 8.256 | 8.251 | 8.404 | 8.531 | 7.974 | 8.063 | 8.318 | 8.094 | 8.478 |
| UCI | 8.430 | 11.16 | 8.711 | 8.619 | 8.804 | 9.051 | 8.223 | 8.501 | 8.638 | 9.023 | 8.956 |
| LCI | 1.724 | 0.959 | 1.757 | 1.935 | 1.336 | 1.526 | 2.013 | 1.715 | 2.728 | 1.206 | 1.684 |
| AMP | 1.833 | 1.144 | 1.991 | 2.107 | 1.429 | 1.698 | 2.121 | 1.915 | 3.166 | 1.352 | 1.890 |
| UCI | 1.942 | 1.330 | 2.226 | 2.278 | 1.521 | 1.871 | 2.229 | 2.115 | 3.604 | 1.498 | 2.097 |
| Protozoa, < 0.5 cpm | |||||||||||
| Cyclospora | |||||||||||
| LCI | 5.857 | 5.402 | 6.142 | 6.096 | 6.239 | 6.422 | 6.279 | 5.381 | 6.247 | 3.657 | 5.889 |
| PT | 6.432 | 5.957 | 6.611 | 6.386 | 7.432 | 7.095 | 6.792 | 6.057 | 6.739 | 7.145 | 6.537 |
| UCI | 7.007 | 6.511 | 7.081 | 6.676 | 8.625 | 7.769 | 7.306 | 6.732 | 7.230 | 10.63 | 7.184 |
| LCI | 5.114 | 4.979 | 37.78 | 9.872 | 1.705 | 4.057 | 9.172 | 6.426 | 9.850 | 0.578 | 8.577 |
| AMP | 5.563 | 6.151 | 40.65 | 10.45 | 2.187 | 4.838 | 10.35 | 7.870 | 11.61 | 1.651 | 9.516 |
| UCI | 6.012 | 7.323 | 43.51 | 11.12 | 2.668 | 5.618 | 11.54 | 9.313 | 13.38 | 2.723 | 10.46 |
Note LCI and UCI are lower and upper boundaries for the 95% confidence interval (CI), respectively, for peak timing (PT) and amplitude (AMP) estimates.