Age | IR (cases/1000 person-years) | IRR and 95% CI | |
---|---|---|---|
Hairdressers | Controls | Hairdressers v population controls | |
IR, incidence rate; IRR, incidence rate ratio. | |||
Incidence rate ratio of hand eczema, with 95% CI. | |||
Number of incident cases in parenthesis. | |||
All | 23.8 (549) | 9.6 (614) | 2.5 (2.2 to 2.8) |
<25 years | 37.1 (397) | 12.2 (348) | 3.1 (2.6 to 3.5) |
25–34 years | 13.8 (135) | 8.8 (214) | 1.6 (1.3 to 2.0) |
>34 years | 6.6 (17) | 4.8 (52) | 1.4 (0.8 to 2.4) |