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Table 1 Population characteristics at job entry (start of study)

From: Potential predictors of susceptibility to occupational stress in Japanese novice nurses - a pilot study

  

N

Mean

 

SD

Minimum

Maximum

Education and area of residence

 Level of higher education

University, vocational college

37/5

    

 Area of residence for higher education

Kagoshima Prefecture, outside Kagoshima Prefecture

35/7

    

Physical health examination

 Age, years

  

21.9

±

0.6

21

24

 Body mass index, kg/m2

  

20.2

±

2.4

17.1

26.8

 Systolic BP, mm Hg

  

111.5

±

11.6

93

144

 Diastolic BP, mm Hg

  

67.6

±

9.5

46

88

 Hemoglobin, g/dL

  

13.3

±

0.9

10.8

15.4

 AST, U/L

  

18.1

±

5.1

11

41

 ALT, U/L

  

15.4

±

10.3

6

66

 γ-GTP, U/L

  

16.3

±

7.6

7

46

 LDL cholesterol, mg/dL

  

96.7

±

21.9

56

150

 HDL cholesterol, mg/dL

  

69.3

±

11.7

41

91

 Triglycerides, mg/dL

  

58.7

±

22.1

25

113

 Fasting blood glucose, mg/dL

  

86.9

±

6.5

68

99

Urinary parameters

 Sodium, mg/mg Cr

  

2.59

±

1.58

0.71

8.86

 Potassium, mg/mg Cr

  

0.83

±

0.46

0.31

2.42

 Chlorine, mg/mg Cr

  

2.05

±

1.97

0.35

12.16

 Phosphorus, mg/mg Cr

  

0.64

±

0.14

0.29

0.94

 Calcium, mg/mg Cr

  

0.08

±

0.05

0.01

0.22

 Magnesium, mg/mg Cr

  

0.06

±

0.03

0.01

0.12

Questionnaire on Lifestyle

 Smoking

Non-smoker/Current smoker

42/0

    

 Alcohol consumption

Never/Once a week/Every day

12/30/0

    

 Body weight change since age of 20; ≥ 10 kg

No/Yes

42/0

    

 One-year body weight change; ≥ 3 kg

No/Yes

21/21

    

Exercise

 Exercise habit

No/Yes

42/0

    

 Walking habit

No/Yes

30/12

    

 Fast walking habit

No/Yes

22/20

    

Eating

 Fast eating speed

No/Yes

26/16

    

 Short time between dinner and bedtimes (<2 h)

No/Yes

10/32

    

 Snack after dinner

No/Yes

23/19

    

 Breakfast skipping

No/Yes

28/14

    
  1. Values are expressed as the mean ± SD or number (N) of the subjects. BP blood pressure, AST aspartate transaminase, ALT alanine transaminase, γ-GTP γ-glutamyltranspeptidase, LDL low-density lipoprotein, HDL high-density lipoprotein, Cr creatinine