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Table 5 Univariate analysis for the prediction of alterations in HbA1c before and after the earthquake

From: Changes in metabolic profiles after the Great East Japan Earthquake: a retrospective observational study

Variables at baseline

Values calculated for OR

OR

95% CI

p value

Age (year)

1-year increase

1.02

0.97–1.08

0.44

Gender

Men scored as 1

1.69

0.69–4.13

0.25

Residence in area 1

Scored as 1

1.71

0.64–4.61

0.29

Residence in area 2

Scored as 1

0.22

0.06–0.81

0.02

Residence in area 3

Scored as 1

1.69

0.69–4.13

0.25

Periodic clinic visit

Scored as 1

3.40

1.37–8.43

0.008

Smoking

Scored as 1

1.24

0.50–3.09

0.64

Body weight (kg)

1-kg increase

1.05

1.00–1.09

0.04

BMI (kg/m2)

1-kg/m2 increase

1.17

1.02–1.35

0.03

Waist circumference (cm)

1-cm increase

1.08

1.02–1.14

0.07

Systolic blood pressure (mmHg)

1-mmHg increase

1.02

0.99–1.05

0.323

Diastolic blood pressure (mmHg)

1-mmHg increase

1.03

0.98–1.08

0.26

HDL cholesterol (mg/dL)

1-mg/dL increase

0.96

0.92–0.96

0.03

LDL cholesterol (mg/dL)

1-mg/dL increase

1.00

0.99–1.02

0.86

Triglyceride (mg/dL)

1-mg/dL increase

1.00

0.996–1.01

0.39

  1. Odds ratios (OR), 95% confidential intervals (CI), and p values for baseline variables in univariate logistic regression models to predict changes in HbA1c before and after the earthquake are shown. The variables with p values < 0.1 were entered in a multivariate model. Gender; regional factors of area 1, 2, and 3; periodic clinic visits; and smoking were treated as categorical values (score of 0 or 1) and the other variables as continuous values. BMI, body mass index; HDL, high-density lipoprotein; LDL, low-density lipoprotein.