Table 3 Results of the regression analysis to predict the temporarily anemic status after the disaster in women.

From: Changes in the proportion of anemia among young women after the Great East Japan Earthquake: the Fukushima health management survey

Variables

Temporarily anemic status

Univariate analysis

Multivariate analysis

The first step in the stepwise selection

Last step in the stepwise selection

Observed (n = 283)

Not observed (n = 2,298)

OR (95% CI)

p value

aOR (95%CI)

p value

aOR (95%CI)

p value

Age (years)

32 (5)

32 (5)

1.00 (0.97–1.02)

0.695

1.00 (0.97–1.03)

0.961

BMI < 23 kg/m2

231 (82%)

1,602 (70%)

1.93 (1.41–2.64)

 < 0.001

1.85 (1.32–2.61)

 < 0.001

1.98 (1.43–2.74)

 < 0.001

Systolic blood pressure (mmHg)

110 (12)

111 (13)

0.99 (0.98–1.00)

0.06

0.99 (0.98–1.01)

0.27

No history of smoking

234 (90%)

1,769 (82%)

1.93 (1.27–2.94)

0.002

1.85 (1.21–2.83)

0.004

1.85 (1.21–2.83)

0.004

No habit of alcohol drinking

202 (73%)

1,445 (65%)

1.50 (1.14–1.99)

0.004

1.41 (1.06–1.89)

0.018

1.42 (1.07–1.90)

0.015

Relocated after the disaster

No relocation

107 (38%)

876 (38%)

1 (ref)

0.751

1 (ref)

0.694

To other municipalities

122 (43%)

1,024 (45%)

0.98 (0.74–1.28)

0.859

1.00 (0.75–1.33)

0.997

  

To other prefectures

54 (19%)

398 (17%)

1.11 (0.78–1.57)

0.554

1.17 (0.79–1.72)

0.433

  
  1. Data are shown as the average (standard deviation ) or numbers (percentage).
  2. BMI body mass index, 95%CI 95% confidence interval, aOR adjusted odds ratio, OR odds ratio.