Table 2.
Gender | IR (95% CI) |
IRR (95% CI) | |
---|---|---|---|
June - September | Rest of the year | ||
Female | 58.8 (48.3 – 69.2) | 42.6 (36.3 – 48.8) | 1.38 (1.09-1.75) |
Male | 40.5 (30.2 – 50.8) | 30.9 (24.4 – 37.3) | 1.31 (0.95-1.81) |
Overall* | 50.2 (42.9 – 57.5) | 37.1 (32.7 – 41.5) | 1.35 (1.12-1.66) |
NOTE. IR: incidence rate per 100,000 person-years, CI: confidence intervals, IRR: incidence rate ratio.
Overall incidence rates are gender-adjusted for US white 2000 census.