Epidemiology
- #1 occupational skin disease
- Risk factors environmental: low or high ambient humidity, extremes of weather, occlusion (increases absorption), wet work
- Personal risk factors: genetics (e.g. AD 13.5x ↑ increased risk, filaggrin mutation or acquired reduction), extremes of age, Sex (females predisposed to upper extremity dermatitis), Pre-existing skin disease, anatomic region exposed, body area with reduced sebaceous activity