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Table 3 Influence of the evacuation on changes of Hb in relation to smoking, obesity, and weight gain

From: Life as an evacuee after the Fukushima Daiichi nuclear power plant accident is a cause of polycythemia: the Fukushima Health Management Survey

Sex

Factors

n

Changes in Hb (g/d)

p*

Evacuation (-)

Evacuation (+)

Men

Smoking (-)

3,579

0.11

0.29

<0.0001

Smoking (+)

1,048

0.09

0.27

0.008

BMI <25 kg/m2

3,180

0.10

0.30

<0.0001

BMI 25 kg/m2

1,447

0.13

0.24

0.08

Change in BM < 1 kg/m2

2,981

0.03

0.15

0.006

Change in BM 1 kg/m2

1,646

0.44

0.46

0.89

Women

Smoking (-)

5,851

0.12

0.22

<0.0001

Smoking (+)

240

-0.04

0.13

0.12

BMI <25 kg/m2

4,229

0.12

0.22

0.0002

BMI 25 kg/m2

1,862

0.10

0.21

0.02

Change in BM < 1 kg/m2

4,444

0.09

0.17

0.002

Change in BM 1 kg/m2

1,647

0.22

0.31

0.13

  1. *Age—a djusted p value for comparing changes in the evacuee group to changes in the non—evacuee group before and after the earthquake.
  2. BMI, body math index; Hb, hemoglobin.