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Observed and predicted percentage of zero counts from the NB and ZINB models
| Population | Observed percentage zero counts | Predicted percentage zero counts | ||
| NB Model | ZINB Model | |||
| Count component | Bernoulli component | |||
| Baseline | 7.12% | 0.80% | 0.039% | 7.16% |
| 1st re-infection | 5.49% | 0.36% | 0.033% | 5.47% |
| 2nd re-infection | 6.66% | 0.58% | 0.030% | 6.64% |
