Respiratory afflictions during hairdressing jobs: case history and clinical evaluation of a large symptomatic case series

Table 2 Selected personal characteristics of study collective (n = 148) concerning demographics, general medical data and environmental exposure

Characteristics				N	%
Female sex				136	91.9
Smoking status (missing data n = 2)
Never smoker				59	39.9
Ex-smoker				60	40.5
Current smoker				27	18.2
Private pet contact				58	39.2
Positive family anamnesis for atopic diseases				56	37.8
Type I sensitization to environmental inhalation allergens (positive SPT during consultation or previous external findings)				92	62.6
Known allergic rhinoconjunctivitis to ubiquitous inhalation allergens				58	39.1
Known allergic asthma to ubiquitous inhalation allergens				13	8.8
Characteristics	Median	Mean	SD	N	%
Total IgE [U/ml] (missing data n = 5)	27.0	92.9	185.4
Fraction with > 100 U/ml				30	20.3
Shortened atopic diathesis score [points] (max. 7)	1.0	1.22	1.2
Fraction with ≥2 points				46	31.1

ISSN: 1745-6673