Respiratory Symptoms and Pattern of Lung Functions Among Commercial Motorcyclists in Sagamu, Nigeria

  • B. O. Adefuye
  • P. O. Adefuye
  • O. Odusan
Keywords: Lung functions, Motorcyclists, Obstructive ventilatory pattern, Occupational hazard

Abstract

Background: The relationship between occupational exposure to air pollutants and poor respiratory health is known. The motorcyclists commonly seek medical care for respiratory diseases in Nigeria.

Objective: To determine the prevalence of respiratory symptoms and the pattern of lung functions among commercial motorcyclists compared to control subjects.

Method: The controlled cross-sectional study was conducted in Sagamu, an urban town in south-western, Nigeria. The commercial motorcyclists and the controls with similar age, non-smokers and same male sex were included in the study. The riders and controls recruited were non-smokers. A structured questionnaire approved by the British Medical Research Council/ATS (American Thoracic Society) was used. The pulmonary function tests were performed according to ATS recommendation.

Results: A total of 200 subjects were studied: 100 were commercial motorcyclists and 100 were non-motorcyclist controls. Compared with the controls, the prevalence of cough (71% vs 21%) and sputum (67% vs 20%) was higher among the commercial motorcyclists. Twenty-one percent of the commercial motorcyclists had an obstructive ventilatory pattern compared to 13% of the control group.

Conclusion: This study provides further evidence that commercial motorcyclists are exposed to occupational hazards which predisposed them to increased frequency of respiratory symptoms and impaired lung functions. Health education strategy may assist this group of workers and reduce the burden of respiratory disorders among them.

Author Biographies

B. O. Adefuye
Department of Medicine, Faculty of Clinical Scinces, Olabisi Onabanjo University, Sagamu, Ogun State.
P. O. Adefuye

Department of Obstetrics and Gynaecology, Obafemi Awolowo College of Health Sciences, Faculty of Clinical Sciences, Olabisi Onabanjo University, Sagamu, Ogun State.

O. Odusan
Department of Medicine, Faculty of Clinical Scinces, Olabisi Onabanjo University, Sagamu, Ogun State.

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Published
2016-03-24
Section
Articles