Table 2 Incidence of URTI and AOM during the first six years of life by daycare attendance
GP diagnosed URTI and AOM by daycare attendance | Number of episodes | Child-years | Rate/100 child-years (95% CI) | AdjustedaIRR (95% CI) |
|---|---|---|---|---|
No daycare in first year | 1,362 | 2,424.3 | 56.2 (53.3 to 59.2) | 1.00 |
Day care in first year | 4,334 | 7,325.2 | 59.2 (57.4 to 60.9) | 1.08 (0.95 to 1.22) |
 Age 0 to 2 months | 629 | 1,104.4 | 56.9 (52.7 to 61.4) | 1.05 (0.88 to 1.25) |
 Age 3 to 5 months | 2,967 | 5,081.0 | 58.4 (56.3 to 60.5) | 1.06 (0.94 to 1.21) |
 Age 6 to 12 months | 738 | 1,139.8 | 64.8 (60.3 to 69.5) | 1.18 (1.00 to 1.40) |