Table 1

Comparison of demographic characteristics of the 2008 and 2009 samples

Year

2008(n = 297)

2009(n = 291)

Prob.a

Sample

N

(%)

N

(%)


Gender

Female

236

79.46%

228

78.35%

0.819

Male

61

20.54%

63

22.65%

Job title

Administrator

45

15.15%

51

15.84%

0.597

Nurse

137

46.13%

144

44.72%

Physician

37

12.46%

47

14.60%

Technician

78

26.26%

87

27.02%

Average age (yrs)

18~25

31

10.44%

29

9.96%

0.299

26~35

155

52.19%

150

51.50%

36~45

85

28.62%

80

27.40%

46~55

20

6.73%

29

9.96%

≧ 56

6

2.02%

2

0.68%

Work tenure

< 1 yr

14

4.71%

15

5.15%

0.283

1-3

64

21.55%

56

19.20%

4-7

61

20.54%

81

27.80%

8-14

104

35.02%

86

29.50%

≧ 15

54

18.18%

52

17.80%


Tenure: Mean(SD)

8.84(6.51)

8.38(6.43)

Age: Mean(SD)

34.22(7.73)

34.23(7.83)


a: Χ2 test

Chien et al. BMC Medical Research Methodology 2011 11:47   doi:10.1186/1471-2288-11-47

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