Table 1.
Rate ratio of newly identified HBV infection in children, EHSSS, 1999-2003
| Variable | Incidence rate /100 000 | Rate ratio | 95% confidence interval |
|---|---|---|---|
| Origins | |||
| Non-Canadian born | 13.80 | 16.23 | 8.36 to 31.53 |
| Canadian born | 0.85 | 1# | |
| Year | |||
| 1999 | 5.24 | 1.94 | 0.51 to 7.40 |
| 2000 | 4.34 | 1.60 | 0.43 to 5.90 |
| 2001 | 4.80 | 1.77 | 0.50 to 6.24 |
| 2002 | 2.53 | 0.93 | 0.23 to 3.72 |
| 2003 | 2.71 | 1# | |
| Gender | |||
| Male | 3.94 | 1.19 | 0.51 to 2.75 |
| Female | 3.32 | 1# | |
| Age (years) | |||
| 0 to 4 | 2.71 | 1# | |
| 5 to 9 | 1.56 | 0.58 | 0.15 to 2.27 |
| 10 to 15 | 6.06 | 2.24 | 0.84 to 5.97 |
#Baseline group