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Table 2 Parameter estimates for percentage of clients with pain, falls, delirium, hospital visits, and pressure ulcer

From: Data for Improvement and Clinical Excellence: a report of an interrupted time series trial of feedback in home care

 

Coefficient estimate

Standard error

t-statistic

p value

Pain score

b 0

30.69

2.72

11.27

<0.01

b 1

0.01

0.70

0.01

0.99

b 2

14.80

2.91

5.08

<0.01

b 3

−0.89

0.77

−1.16

0.26

b 4

−0.87

3.22

−0.27

0.79

b 5

1.49

0.77

1.93

0.07

Falls

b 0

29.70

3.77

7.87

<0.01

b 1

−0.01

0.97

−0.01

0.99

b 2

9.35

4.03

2.32

0.03

b 3

−0.93

1.07

−0.87

0.40

b 4

−3.79

4.46

−0.85

0.41

b 5

3.03

1.07

2.84

0.01

Delirium

b 0

13.77

1.94

7.10

<0.01

b 1

−0.60

0.50

−1.20

0.25

b 2

−0.93

2.07

−0.45

0.66

b 3

0.25

0.55

0.46

0.65

b 4

−2.12

2.29

−0.92

0.37

b 5

1.45

0.55

2.65

0.02

Hospital visit

b 0

55.41

4.59

12.08

<0.01

b 1

−1.59

1.18

−1.35

0.20

b 2

9.00

4.90

1.83

0.09

b 3

0.39

1.30

0.30

0.77

b 4

−8.92

5.42

−1.65

0.12

b 5

3.97

1.30

3.06

0.01

Pressure ulcer

b 0

0.52

1.42

0.37

0.72

b 1

0.33

0.36

0.91

0.38

b 2

−0.52

1.52

−0.34

0.74

b 3

−0.26

0.40

−0.64

0.53

b 4

0.30

1.68

0.18

0.86

b 5

−0.16

0.36

−0.43

0.67

  1. b 0 percentage of clients with the quality indicator (health outcome) at baseline, b 1 trend of quality indicator prior to the feedback report (baseline trend), b 2 change in level of quality indicator immediately after the first feedback report, b 3 change in trend of quality indicator after the feedback report distribution; b 4 change in level of quality indicator immediately after the last feedback report, b 5 change in trend of quality indicator after the end of the feedback report distribution.