Abstract
The aim of the present study was to investigate the incidence of rhinitis in adolescents, taking into account the duration and type of employment in holiday and vocational jobs, and to study latency until development of symptoms. Participants of the International Study of Asthma and Allergies in Childhood (ISAAC)-II study in Munich and Dresden (Germany), who were enrolled in 1995, were re-contacted by a postal questionnaire in 2002 (aged 16-18 yrs). The questionnaire focused on allergic rhinitis, type and duration of all jobs, and potential confounders. All jobs held for >/=8 h.week(-1) and >/=1 month were coded and occupational exposure was assigned by a job-exposure matrix. Out of the 3,785 participants, 964 reported an employment history. The median (25th-75th percentile) duration of employment was 10 (1-16) months. After adjusting for potential confounders, those working in high-risk occupations (odds ratio (OR) 1.4, 95% confidence interval (CI) 1.0-2.1) had an increased risk for new onset of rhinitis, especially those exposed to low molecular weight agents (OR 1.8, 95% CI 1.1-2.8). The incidence of rhinitis was highest among those currently employed in a high-risk job for <10 months. Teenagers who start working in high-risk occupations have a higher incidence of rhinitis compared with those not working. This increased risk might occur early on during employment.
Highlights
Due to the fact that the group was too small for stratified analyses, and only four participants lived in Dresden, they had to be excluded from the analyses [11]
The incidence of symptoms of rhinitis was higher among those who already had a job compared with nonworking adolescents (37 versus 32%), while the baseline prevalence of symptoms of rhinitis differed only slightly between the two groups (26 versus 23%)
There is no standardised definition of occupational rhinitis in the current literature and multiple definitions are currently used
Summary
The aim of the present study was to investigate the incidence of rhinitis in adolescents, taking into account the duration and type of employment in holiday and vocational jobs, and to study latency until development of symptoms. The aim of the present study was to investigate European Respiratory Journal the incidence of rhinitis attributable to occupa- Print ISSN 0903-1936 c
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