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Table 4 Comparison of total scores and percent positive scores from each sub-dimension across Japan, Taiwan and the U.S.

From: The characteristics of patient safety culture in Japan, Taiwan and the United States

   

Comparisons of Total Scores

Comparisons of Percent Positive Scores

 

Country1

Country2

Difference of mean score

Cohen's d

P

95% CI

Difference of mean score

Cohen's d

P

95% CI

(Country1-Country2)

(Country1-Country2)

Frequency of events reported

Japan

Taiwan

2.59

0.96

<0.01

(2.48–2.69)

0.35

0.88

<0.01

(0.34–0.37)

Japan

U.S.

0.78

0.27

 

<0.01

(0.70–0.86)

0.07

0.17

 

<0.01

(0.06–0.08)

Taiwan

U.S.

−1.81

−0.63

<0.01

(−1.87–−1.74)

−0.28

−0.68

<0.01

(−0.29–−0.27)

Overall perceptions of patient safety

Japan

Taiwan

0.38

0.17

 

<0.01

(0.26–0.49)

0.02

0.05

 

<0.01

(0.00–0.03)

Japan

U.S.

−0.51

−0.16

 

<0.01

(−0.61–−0.42)

−0.10

−0.29

 

<0.01

(−0.11–−0.09)

Taiwan

U.S.

−0.89

−0.29

 

<0.01

(−0.97–−0.82)

−0.12

−0.34

 

<0.01

(−0.12–−0.11)

Supervisor/manager expectations and actions promoting safety

Japan

Taiwan

0.11

0.05

 

0.07

(−0.01–0.23)

−0.02

−0.07

 

<0.01

(−0.03–−0.01)

Japan

U.S.

−0.75

−0.24

 

<0.01

(−0.84–−0.66)

−0.11

−0.35

 

<0.01

(−0.12–−0.10)

Taiwan

U.S.

−0.86

−0.27

 

<0.01

(−0.94–−0.79)

−0.09

−0.28

 

<0.01

(−0.10–−0.08)

Organizational learning—continuous improvement

Japan

Taiwan

−1.25

−0.77

<0.01

(−1.32–−1.17)

−0.26

−0.80

<0.01

(−0.27–−0.24)

Japan

U.S.

−0.88

−0.44

 

<0.01

(−0.94–−0.83)

−0.17

−0.50

<0.01

(−0.18–−0.16)

Taiwan

U.S.

0.36

0.18

 

<0.01

(0.32–0.41)

0.09

0.26

 

<0.01

(0.08–0.10)

Teamwork within hospital units

Japan

Taiwan

−0.59

−0.24

 

<0.01

(−0.71–−0.48)

−0.09

−0.27

 

<0.01

(−0.10–−0.08)

Japan

U.S.

−0.77

−0.25

 

<0.01

(−0.85–−0.68)

−0.09

−0.28

 

<0.01

(−0.09–−0.08)

Taiwan

U.S.

−0.17

−0.06

 

<0.01

(−0.25–−0.10)

0.00

0.00

 

0.99

(−0.01–0.01)

Communication openness

Japan

Taiwan

0.68

0.33

 

<0.01

(0.59–0.77)

0.11

0.32

 

<0.01

(0.10–0.13)

Japan

U.S.

−0.58

−0.24

 

<0.01

(−0.65–−0.51)

−0.12

−0.32

 

<0.01

(−0.13–−0.11)

Taiwan

U.S.

−1.26

−0.53

<0.01

(−1.32–−1.21)

−0.23

−0.63

<0.01

(−0.24–−0.22)

Feedback and communication about error

Japan

Taiwan

0.57

0.27

 

<0.01

(0.47–0.66)

0.09

0.24

 

<0.01

(0.07–0.10)

Japan

U.S.

−0.47

−0.19

 

<0.01

(−0.54–−0.40)

−0.10

−0.25

 

<0.01

(−0.11–−0.09)

Taiwan

U.S.

−1.03

−0.41

 

<0.01

(−1.09–−0.97)

−0.18

−0.48

 

<0.01

(−0.19–−0.17)

Nonpunitive response to error

Japan

Taiwan

0.85

0.41

 

<0.01

(0.75–0.95)

0.13

0.40

 

<0.01

(0.12–0.15)

Japan

U.S.

0.21

0.08

 

<0.01

(0.13–0.29)

0.00

0.01

 

0.59

(−0.01–0.02)

Taiwan

U.S.

−0.64

−0.24

 

<0.01

(−0.71–−0.58)

−0.13

−0.33

 

<0.01

(−0.14–−0.12)

Staffing

Japan

Taiwan

0.01

0.01

 

0.96

(−0.10–0.13)

0.01

0.02

 

0.39

(−0.01–0.02)

Japan

U.S.

−1.39

−0.46

 

<0.01

(−1.48–−1.30)

−0.17

−0.52

<0.01

(−0.18–−0.16)

Taiwan

U.S.

−1.41

−0.46

 

<0.01

(−1.48–−1.33)

−0.18

−0.54

<0.01

(−0.18–−0.17)

Hospital management support for patient safety

Japan

Taiwan

−0.32

−0.17

 

<0.01

(−0.42–−0.23)

−0.07

−0.19

 

<0.01

(−0.08–−0.06)

Japan

U.S.

−0.93

−0.38

 

<0.01

(−1.00–−0.86)

−0.19

−0.51

<0.01

(−0.20–−0.18)

Taiwan

U.S.

−0.61

−0.25

 

<0.01

(−0.67–−0.55)

−0.12

−0.32

 

<0.01

(−0.13–−0.11)

Teamwork across hospital units

Japan

Taiwan

−0.56

−0.23

 

<0.01

(−0.68–−0.45)

−0.07

−0.19

 

<0.01

(−0.08–−0.05)

Japan

U.S.

−0.54

−0.18

 

<0.01

(−0.63–−0.45)

−0.11

−0.29

 

<0.01

(−0.12–−0.10)

Taiwan

U.S.

0.03

0.01

 

0.68

(−0.05–0.10)

−0.04

−0.11

 

<0.01

(−0.05–−0.03)

Hospital handoffs and transitions

Japan

Taiwan

−0.05

−0.02

 

0.55

(−0.18–0.07)

−0.04

−0.11

 

<0.01

(−0.05–−0.02)

Japan

U.S.

−0.06

−0.02

 

0.35

(−0.15–0.04)

−0.05

−0.14

 

<0.01

(−0.07–−0.04)

Taiwan

U.S.

0.00

0.00

 

1.00

(−0.08–0.07)

−0.02

−0.04

 

<0.01

(−0.03–−0.01)

  1. P, according to Tukey's honestly significant difference (HSD) test; CI, confidence interval.
  2. Cohen's d > |0.5|.