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Table 7 Regression analysis: effect of each predictor on TCI score (n = 249)

From: Factors predicting team climate, and its relationship with quality of care in general practice

Model

Fixed components

 

Random components

-2 log-likelihood

P†

 

Parameter‡

Estimate

95% CI

P

Parameter

σ

95% CI

  

Predictors measured at the level of the individual

Baseline

Constant

50.32

48.36, 52.28

0.00

Practices

3.08

1.38, 4.78

1788.02

 
     

Individuals

8.49

7.72, 9.26

  

Age (years)

Constant

47.72

42.46, 52.98

0.00

Practices

3.07

1.38, 4.77

1786.94

0.30

 

Age

0.06

-0.05, 0.16

0.30

Individuals

8.47

7.70, 9.24

  

Gender*

Constant

49.25

47.43, 51.07

0.00

Practices

2.67

1.09, 4.24

1767.71

<0.001

 

Male

6.62

3.79, 9.46

0.00

Individuals

8.18

7.44, 8.92

  

Tenure* (years)

Constant

48.88

46.57, 51.20

0.00

Practices

3.19

1.48, 4.91

1782.28

0.02

 

Tenure

0.16

0.03, 0.29

0.02

Individuals

8.37

7.62, 9.13

  

Sessions (per week)

Constant

48.47

45.43, 51.50

0.00

Practices

3.20

1.47, 4.93

1785.49

0.11

 

Session

0.33

-0.07, 0.73

0.11

Individuals

8.43

7.67, 9.19

  

Professional role*

Constant

55.04

52.24, 57.84

0.00

Practices

2.88

1.24, 4.51

1764.96

<0.001

 

Nurse

-7.66

-11.27, -4.05

0.00

Individuals

8.11

7.38, 8.85

  
 

Admin

-5.92

-8.70, -3.15

0.00

     
 

Community nurse

-5.90

-9.89, -1.90

0.00

     
 

Other

-3.33

-7.02, -0.36

0.08

     

Predictors measured at the level of the practice

List size*

Constant (≤ 3500)

52.45

49.73, 55.17

0.00

Practices

2.30

0.77, 3.83

1782.57

0.02

 

3501–7000

-4.75

-8.57, -0.93

0.02

Individuals

8.48

7.72, 9.25

  
 

>7001

-1.35

-5.52, 2.82

0.53

     

Number of General Practitioners*

Constant

(1 or 2)

53.97

49.76, 58.17

0.00

Practices

1.86

0.43, 3.28

1778.84

0.01

 

3–5

-6.03

-10.69, -1.37

0.01

Individuals

8.47

7.71, 9.23

  
 

6 or more

-1.23

-6.12, 3.66

0.62

     

Number of Practice Nurses

Constant

(1 or 2)

48.70

45.60, 51.80

 

Practices

2.48

0.80, 4.17

1784.79

0.20

 

3–4

1.74

-2.07, 5.54

0.37

Individuals

8.50

7.73, 9.27

  
 

5 or more

6.43

-0.07, 12.93

0.05

     

Number of Admin staff

Constant

(1–5)

53.47

50.12, 56.83

 

Practices

2.52

1.01, 4.03

1783.59

0.11

 

6–10

-5.13

-10.00, -0.27

0.04

Individuals

8.47

7.71, 9.24

  
 

>10

-3.86

-8.01, -0.27

0.07

     

Number of Staff

Constant

(1–20)

51.24

48.45, 54.03

 

Practices

2.91

1.24, 4.58

1787.00

0.31

 

21–30

-2.58

-7.54, 2.39

0.31

Individuals

8.49

7.72, 9.26

  
 

>30

-1.13

-5.44, 3.19

0.61

     

Practice meeting

Constant (partners only)

47.62

42.51, 52.74

 

Practices

2.81

1.20, 4.43

1786.06

0.37

 

Partners+

Admin

6.47

-2.57, 15.51

0.16

Individuals

8.48

7.72, 9.25

  
 

Partners+admin +clinical

2.85

-2.67, 8.36

0.31

     

CDM clinic

Constant (general clinic)

47.62

42.51, 52.74

 

Practices

2.92

1.18, 4.65

1787.42

0.74

 

Step ladder cdm clinic

1.75

-3.16, 6.66

0.48

Individuals

8.50

7.73, 9.27

  
 

General+specific condition

1.40

-2.94, 5.75

0.53

     
  1. † When a predictor variable is included in the model, this p-value is generated by calculating the change in -2 log-likelihood from that of the baseline model and comparing it with the percentage points of the appropriate chi-squared distribution.
  2. σ = standard deviation of TCI scores (either between practices or between individuals within practices as specified)
  3. ‡ In the case of a categorical variable the constant term corresponds to the estimated mean TCI score for respondents in the reference category (which is given in brackets).
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BMC Health Services Research

ISSN: 1472-6963

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