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Table 5 Summary of the results of the binary logistic regression analyses

From: Perspectives of staff nurses of the reasons for and the nature of patient-initiated call lights: an exploratory survey study in four USA hospitals

Dependent Variable/Independent Variable

Cox & Snell R2

Nagelkerke R2

Percentage correcta

Model 1: Opinion whether most of the call lights matter to patients' safety? (1 = yes, 0 = no)

.06

.08

59.7%

Model 2: Opinion whether most of the call lights require nursing staff's attention and nursing care? (1 = yes, 0 = no)

.11

.15

63.5%

Model 3: Opinion whether most of the reasons for call lights are meaningful? (1 = yes, 0 = no)

.06

.10

78%

Model 4: Opinion whether answering call lights prevents you from doing the critical aspects of your role? (1 = yes, 0 = no)

.07

.09

59.1%

Model 1: Opinion whether most of the call lights matter to patients' safety? (1 = yes, 0 = no)

B

Wald

Sig.

   Hospital (overall)

-

23.94

.001**

Hospital 1

-1.04

19.72

.001**

Hospital 2

-.84

7.56

.006**

Hospital 3

-.13

.11

.74

Age in years

-.01

.11

.74

Tenure in years

.01

1.03

.31

Gender (1 = male)

.09

.09

.76

Job title (1 = nurse)

.48

2.38

.12

   Education (overall)

-

.95

.81

Education: High school or diploma

.20

.10

.75

Education: Associate degree

.33

.43

.51

Education: Bachelor's degree

.41

.68

.41

   Unit type (overall)

-

.49

.78

Unit type: Acute medical unit

-.13

.49

.49

Unit type: Acute surgical unit

-.06

.05

.83

   Shift (overall)

-

4.80

.44

Shift: Day shift

-.19

.42

.52

Shift: Evening shift

-.58

2.42

.12

Shift: Night shift

.20

.29

.59

Shift: 12-hour day shift

-.06

.03

.86

Shift: 12-hour night shift

-.06

.04

.84

   Constant

.44

.36

.55

Model 2: Opinion whether most of the call lights require nursing staff's attention and nursing care? (1 = yes, 0 = no)

B

Wald

Sig.

   Hospital (overall)

-

1.18

.75

Hospital 1

-.01

.001

.98

Hospital 2

.25

.68

.41

Hospital 3

.22

.30

.59

Age in years

-.02

2.01

.16

Tenure in years

.03

3.19

.07

Gender (1 = male)

.46

2.38

.12

Job title (1 = nurse)

1.76

23.83

.001**

   Education (overall)

-

2.64

.45

Education: High school or diploma

-.40

.41

.52

Education: Associate degree

-.35

.56

.45

Education: Bachelor's degree

-.08

.03

.87

   Unit type (overall)

 

3.93

.14

Unit type: Acute medical unit

.35

3.17

.08

Unit type: Acute surgical unit

.38

2.16

.14

   Shift (overall)

-

12.82

.03*

Shift: Day shift

-.47

2.52

.11

Shift: Evening shift

-.25

.45

.50

Shift: Night shift

.62

2.67

.10

Shift: 12-hour day shift

-.27

.63

.43

Shift: 12-hour night shift

-.42

1.74

.19

   Constant

-.05

.01

.94

Model 3: Opinion whether most of the reasons for call lights are meaningful? (1 = yes, 0 = no)

B

Wald

Sig.

   Hospital (overall)

-

8.99

.03*

Hospital 1

-.78

7.31

.007**

Hospital 2

-.77

4.49

.03*

Hospital 3

-.20

.15

.70

Age in years

-.01

1.01

.32

Tenure in years

.07

12.26

.001**

Gender (1 = male)

-.18

.26

.61

Job title (1 = nurse)

.67

2.83

.09

   Education (overall)

-

1.37

.71

Education: High school or diploma

-.56

.54

.46

Education: Associate degree

-.12

.04

.84

Education: Bachelor's degree

.01

.01

.99

   Unit type (overall)

-

.53

.77

Unit type: Acute medical unit

-.12

.29

.59

Unit type: Acute surgical unit

-.20

.43

.51

   Shift (overall)

-

17.99

.003**

Shift: Day shift

-1.09

8.14

.004**

Shift: Evening shift

.58

.99

.32

Shift: Night shift

-.72

2.54

.11

Shift: 12-hour day shift

-.83

3.67

.06

Shift: 12-hour night shift

-1.08

7.29

.007**

   Constant

2.90

10.43

.001**

Model 4: Opinion whether answering call lights prevents you from doing the critical aspects of your role? (1 = yes, 0 = no)

B

Wald

Sig.

   Hospital (overall)

-

14.74

.002**

Hospital 1

.86

13.61

.001**

Hospital 2

.62

4.40

.04*

Hospital 3

.33

.67

.41

Age in years

.02

3.39

.07

Tenure in years

-.01

.43

.51

Gender (1 = male)

.10

.13

.72

Job title (1 = nurse)

-.53

3.09

.08

   Education (overall)

--

1.96

.58

Education: High school or diploma

-.54

.85

.36

Education: Associate degree

-.16

.12

.73

Education: Bachelor's degree

-.34

.55

.46

   Unit type (overall)

-

2.76

.25

Unit type: Acute medical unit

-.01

.01

.98

Unit type: Acute surgical unit

.40

2.36

.12

   Shift (overall)

-

12.02

.04*

Shift: Day shift

.30

1.07

.30

Shift: Evening shift

-.24

.43

.51

Shift: Night shift

.04

.01

.91

Shift: 12-hour day shift

.84

6.24

.01*

Shift: 12-hour night shift

.39

1.55

.21

   Constant

-1.26

3.15

.08

  1. aPercentage correct refers to the overall percentage of correctly predicted values reported in the classification table. The cut-off value is .50.
  2. *P < .05.
  3. **P < .01.