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NE counties data: Effects of model covariates
| Covariate | HR | 95% CI | |
| Well type | 2.657 | 1.428 | 4.946 |
| Inspection count | 1.065 | 1.047 | 1.083 |
| Temporal stratum | 1.580 | 1.152 | 2.167 |
The HR reflects the multiplicative change in risk at any time due to a change in the covariate. A change in well type reflects the change from conventional to unconventional. A change in inspection count reflects a single (+1) increase to the total inspection count for a well.
