Regional differences in prevalence of anemia found by periodic health checkups at workplaces in Japan

Sangyō eiseigaku zasshi = Journal of occupational health
Tomoko Shimomura, Ichiro Wakabayashi

Abstract

Anemia-related blood examinations are included in examinations for periodic health checkups at workplaces designated by the Industrial Safety and Health Law in Japan. The aim of this study was to determine whether there were regional differences in the prevalence of anemia in workers and, if so, to investigate possible reasons for the differences. Relationships between prevalence of anemia found by periodic health checkups and some common factors related to anemia in each prefecture of Japan were investigated by ecological regression analysis using Spearman's rank correlation coefficient. There were regional differences in the prevalence of anemia in the prefectures of Japan (5.2-11.7%), and high prevalence was observed in prefectures in the northeastern district, such as Iwate, Akita and Yamagata Prefectures, and in Fukui, Shimane and Nagasaki Prefectures. Prevalence of anemia in each prefecture was significantly correlated with the prevalence of hypertension, dyslipidemia, liver dysfunction, abnormality in ECG, hyperglycemia or glucosuria at health checkups in each prefecture. Prevalence of anemia in each prefecture was significantly correlated with the percentage of patients receiving therapy for anemia in each prefecture bu...Continue Reading

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