Table 1.
Estimates of the probability of prior infection as function of age, birth DOY, having siblings age 0–4 and day-care visits.
| Variables | Probability of prior infection | |||||
|---|---|---|---|---|---|---|
| Age (days) | Birth DOY | Siblings04 | Day-care | Estimate | Lower boundary | Upper boundary |
| 30 | January 1 | False | True | 0.020 | 0.0068 | 0.059 |
| 30 | January 1 | False | False | 0.0060 | 0.0020 | 0.018 |
| 30 | January 1 | True | True | 0.037 | 0.013 | 0.10 |
| 30 | January 1 | True | False | 0.011 | 0.0038 | 0.032 |
| 30 | July 1 | False | True | 0.050 | 0.017 | 0.14 |
| 30 | July 1 | False | False | 0.015 | 0.0050 | 0.046 |
| 30 | July 1 | True | True | 0.088 | 0.031 | 0.23 |
| 30 | July 1 | True | False | 0.028 | 0.0092 | 0.080 |
| 365 | January 1 | False | True | 0.44 | 0.28 | 0.60 |
| 365 | January 1 | False | False | 0.18 | 0.10 | 0.30 |
| 365 | January 1 | True | True | 0.59 | 0.41 | 0.73 |
| 365 | January 1 | True | False | 0.29 | 0.18 | 0.44 |
| 365 | July 1 | False | True | 0.66 | 0.53 | 0.77 |
| 365 | July 1 | False | False | 0.37 | 0.25 | 0.50 |
| 365 | July 1 | True | True | 0.78 | 0.66 | 0.87 |
| 365 | July 1 | True | False | 0.51 | 0.37 | 0.65 |
| 730 | January 1 | False | True | 0.88 | 0.76 | 0.94 |
| 730 | January 1 | False | False | 0.68 | 0.50 | 0.82 |
| 730 | January 1 | True | True | 0.93 | 0.84 | 0.97 |
| 730 | January 1 | True | False | 0.79 | 0.63 | 0.89 |
| 730 | July 1 | False | True | 0.95 | 0.89 | 0.98 |
| 730 | July 1 | False | False | 0.84 | 0.71 | 0.92 |
| 730 | July 1 | True | True | 0.97 | 0.93 | 0.99 |
| 730 | July 1 | True | False | 0.91 | 0.81 | 0.96 |
Shown are outcomes of the full model for a representative selection of combinations of variables. For each combination the estimate, lower and upper 95% confidence interval boundary is shown.