Table 1.
GLMM Results and Summary Statistics for Pools by Owner Type.
| Owner Type | Total1 | Mean / County2 | Number of Counties3 | Marginal Effect (95% Confidence Interval)4 | p-value5 |
|---|---|---|---|---|---|
| Apartment | 293 | 2.96 | 21 | 1.00 (0.98, 1.02) | 0.761 |
| Camp | 60 | 0.61 | 33 | 1.29 (1.01, 1.64) | 0.039* |
| Country or Health Club | 240 | 2.42 | 51 | 1.02 (0.96, 1.09) | 0.530 |
| Hotel | 697 | 7.04 | 68 | 1.01 (0.99, 1.03) | 0.486 |
| Municipal | 699 | 7.06 | 98 | 1.05 (1.00, 1.10) | 0.042* |
| School | 90 | 0.91 | 33 | 1.07 (0.92, 1.25) | 0.384 |
| Other | 152 | 1.54 | 34 | 1.01 (0.93, 1.09) | 0.840 |
1
The total number of each type of pool in Iowa
2
The mean number of each type of pool per county
3
The number of Iowa counties with at least one of the specified pool type
4
Tresults from the GLMM: the marginal effect is the multiplicative change in the mean number of Cryptosporidium cases corresponding to a one unit change in the number of pools of a specific class. A 95% confidence interval is also included
5
The p-value associated with the marginal effect
*
Marginal effects that differ from one with 95% confidence