Prediction of dropout from respiratory symptoms and airflow limitation in a longitudinal respiratory study

Søyseth, Vidar; Johnsen, Helle; Kongerud, Johny

doi:10.5271/sjweh.1229

Cited by 12 publications

(11 citation statements)

References 11 publications

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“…In a previous longitudinal study including the present cohort, we found that the loss to follow-up was 19% and related to reduced lung function and respiratory symptoms at the last examination 38 39. This implies that there is a selection of healthy survivors also in this study, which may weaken the results.…”

Section: Discussionmentioning

confidence: 65%

Dust exposure is associated with increased lung function loss among workers in the Norwegian silicon carbide industry

et al. 2013

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Section: Discussionmentioning

confidence: 65%

Dust exposure is associated with increased lung function loss among workers in the Norwegian silicon carbide industry

et al. 2013

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“…Nevertheless, only 54% of those who were included at the initial survey were available at the follow-up. Thus, selective dropout rate could have distorted the estimates toward a zero effect, which has been described in similar settings 59. The difference between two consecutive measurements of FEV 1 was, however, negatively associated with exposure to particulates during 6-year follow-up of 630 potroom workers 18.…”

Section: Methodsmentioning

confidence: 85%

Respiratory Disorders in Aluminum Smelter Workers

Kongerud

Søyseth

2014

Journal of Occupational &Amp; Environmental Medicine

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Objectives:Summarizing the knowledge status, including the morphology, possible etiological factors, and clinical expression of aluminum potroom asthma and chronic obstructive pulmonary disease related to aluminum potroom exposure.Methods:A review of the literature from the last two decades as it appears in PubMed.Results:There is substantial evidence for the existence of potroom asthma, although the incidence seems to decline over the last 10 years. Increased mortality from chronic obstructive pulmonary disease and longitudinal decline in forced expiratory volume in the first second of expiration has been shown in aluminum potroom workers. Morphological manifestations in bronchial biopsies and the inflammatory markers NO and eosinophils in airway tissue and blood are consistent with asthma in general. The causative agent(s) is (are) not known.Conclusions:Reduction of exposure and cessation of smoking seem to be the major preventive measures to avoid respiratory disorders in the aluminum industry.

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“…At baseline and at follow-up, lung function testing was performed with good internal consistency using the same portable spirometer. It is known that the presence of respiratory symptoms and reduced lung function in participants are associated with an increased loss to follow-up in longitudinal studies 38. This is the reason why we tried to include drop-outs into the study.…”

Section: Discussionmentioning

confidence: 99%

Effects of bioaerosol exposure on respiratory health in compost workers: a 13-year follow-up study

et al. 2016

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Prediction of dropout from respiratory symptoms and airflow limitation in a longitudinal respiratory study

Cited by 12 publications

References 11 publications

Dust exposure is associated with increased lung function loss among workers in the Norwegian silicon carbide industry

Dust exposure is associated with increased lung function loss among workers in the Norwegian silicon carbide industry

Respiratory Disorders in Aluminum Smelter Workers

Effects of bioaerosol exposure on respiratory health in compost workers: a 13-year follow-up study

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