Abstract
The association between incidence of diabetes mellitus (DM) and living conditions has not been studied after natural disasters. We compared the incidence of DM between individuals living in temporary housing (TH) and those living in other types of accommodation (non-TH) five years after the 2011 Great East Japan Earthquake. Longitudinal follow-up was conducted from 2011 to 2015 in a cohort of 7,491 residents of coastal communities in Iwate Prefecture directly impacted by the 2011 disaster (mean age, 61.6 years; men, 36.0%). We calculated the odds ratio of new onset of DM in the TH group (n = 2,372) compared with the non-TH group (n = 5,119) using discrete-time logit models stratified by sex and age classes (64 years or younger and older than 65 years). The TH group showed a significantly higher odds ratio (OR) for DM in men aged 64 years or younger (OR [95% confidence interval (CI)], 1.71 [1.03–2.85]; P-value = 0.040). In women, living conditions were not significantly associated DM. Survivors relocated to TH appeared to be at an increased risk of new onset DM.
Highlights
The association between incidence of diabetes mellitus (DM) and living conditions has not been studied after natural disasters
We evaluated the incidence of DM in individuals in a tsunami-affected area 5 years after the Great East Japan Earthquake
The odds ratio (OR) of the incidence of DM was significantly higher in men 64 years or younger living in temporary housing (TH) than those living in non-TH
Summary
The association between incidence of diabetes mellitus (DM) and living conditions has not been studied after natural disasters. We compared the incidence of DM between individuals living in temporary housing (TH) and those living in other types of accommodation (non-TH) five years after the 2011 Great East Japan Earthquake. Our previous report has showed that individuals who lived in TH showed an increased body weight 1 to 2 years after the disaster compared with those not living in TH (non-TH) (+ 0.5 kg in both sexes)[7]. Studies have reported body weight gain[7], lipid profile worsening[8], increased prevalence of metabolic syndrome, and glycosylate hemoglobin e levation[9,10,11] for survivors a few years after natural disasters. To prevent from disability driven from DM, we should find high-risk patients earlier after natural disasters
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