Exposure to Microorganisms and Aeroallergens among Greenhouse Workers Worldwide and Associated Respiratory Diseases

Adhikari, Atin

doi:10.15406/mojph.2016.04.00081

Cited by 1 publication

(1 citation statement)

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“…The workers with livestock have a high prevalence and incidence of obstructive pulmonary disorders and asthmatic and nasal symptoms [ 10 ]. Greenhouse workers had been related to occupational asthma and chronic bronchitis [ 11 ] and they had high prevalence of self-reported respiratory symptoms [ 12 ]. In Croatia, a study determined hazardous levels of endotoxin, main allergen of dust mite Dermatophagoides pteronyysinus , and moulds in poultry houses.…”

Section: Introductionmentioning

confidence: 99%

Association between the prevalence of allergic reactions to skin prick tests and workplace types among agricultural workers in South Korea

Han

Kim

Lee

2020

Ann Occup Environ Med

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Background Farmers are often exposed to dust, molds, pollen, animal products, insects, and chemicals. Accordingly, they have a high prevalence of respiratory and allergic diseases. Some studies have shown that farmers have a high prevalence of respiratory diseases and symptoms depending on where farmers work. The objective of the present study was to investigate whether certain types of agricultural workplaces are associated with the prevalence of allergic reactions in skin prick tests (SPTs) in South Korea. Method A total of 149 farmers, grouped according to their workplaces in greenhouses, poultry houses, or outdoors, answered a self-reported questionnaire about the prevalence of respiratory diseases and symptoms. They were skin-tested using 12 allergens. The questionnaire and the prevalence of positive skin tests were determined for each of the participant groups, and the results were analyzed by multivariate logistic regression. Results There were significant differences in the prevalence of allergic reactions to the SPT, chronic obstructive pulmonary diseases (COPDs) and asthma symptoms (wheezing) among the subgroups. The allergic reaction to SPT was the highest in greenhouse workers (30.9%), followed by poultry house workers (15.9%), and outdoor workers (8.1%). The prevalence of COPD was 6.8% in poultry house workers alone and not in other groups. The prevalence of wheezing was the highest at 9.1% in poultry house workers. According to the results of the logistic analysis, the prevalence of allergic reactions to SPT had positive correlations with the types of workplaces. Greenhouse workers had higher risk of SPT sensitization compared to outdoor workers (adjusted odds ratio [OR]: 5.55, 95% confidence interval [CI]: 1.32–32.24). The prevalence of SPT positivity also had an association with the symptoms of sneezing, rhinorrhea, or nasal congestion (adjusted OR: 6.64, 95% CI: 2.06–23.63). Conclusions These data demonstrate that the types of workplaces were associated with the prevalence of allergic sensitization. This could be explained by the difference in the type or level of airborne exposures in each workplace. It is also likely that this was caused by differences between groups of individual factors such as age and BMI that influence SPT sensitization.

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Section: Introductionmentioning

confidence: 99%