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Table 1 Results of negative−binomial regression models

From: Cumulative disadvantage? Exploring relationships between neighbourhood deprivation trends (1991 to 2006) and mortality in New Zealand

  

All−cause mortality

 

CVD−related mortality

 

(age−adjusted model)

 

(age−adjusted model)

IRR

(95% CI)

Z−statistic

IRR

(95% CI)

Z−statistic

Trends of relative deprivation

      

L − persistently lowest NZDep

0.75

(0.67−0.84)***

−5.19

0.80

(0.68−0.94)**

−2.71

K − persistently low NZDep

0.92

(0.84−1.00)

−1.85

0.99

(0.87−1.12)

−0.15

J − persistently fairly low NZDep

0.81

(0.75−0.87)***

−5.87

0.82

(0.74−0.92)***

−3.57

I − increase, lower NZDep

0.96

(0.89−1.04)

−0.98

1.05

(0.94−1.17)

0.82

H − decline, lower NZDep

0.87

(0.80−0.95)***

−3.19

0.86

(0.75−0.98)**

−2.29

G − persistently moderate NZDep

Ref

  

Ref

  

F − decline, moderate NZDep

1.09

(0.95−1.24)

1.18

1.13

(0.92−1.39)

1.16

E − very slight fluctuations, moderate NZDep

1.17

(1.10−1.25)***

4.69

1.18

(1.07−1.30)***

3.28

D − persistently , moderately high NZDep

1.26

(1.18−1.34)***

6.93

1.24

(1.12−1.36)***

4.31

C − persistently fairly high NZDep

1.34

(1.25−1.44)***

8.44

1.30

(1.17−1.44)***

5.00

B− persistently high NZDep

1.51

(1.40−1.63)***

10.75

1.43

(1.27−1.61)***

6.06

A − persistently highest NZDep

1.68

(1.54−1.85)***

11.09

1.68

(1.46−1.94)***

7.08

Log likelihood

 

−9867.45

  

−5150.66

 

AIC

 

19768.9

  

10335.32

 

LR Chi2

 

1315.15

  

433.78

 

Prob > chi2

 

<0.000

  

<0.000

 

Deciles of deprivation index in 2006

      

1. Lowest deprivation

0.78

(0.72−0.84)***

−6.14

0.79

(0.70−0.89)***

−3.79

2

0.89

(0.82−0.96)**

−3.08

0.91

(0.81−1.02)

−1.68

3

0.85

(0.78−0.92)***

−4.05

0.85

(0.76−0.96)**

−2.59

4

0.94

(0.87−1.01)

−1.67

0.96

(0.86−1.08)

−0.63

5

Ref

  

Ref

  

6

1.11

(1.03−1.19)**

2.61

1.08

(0.97−1.21)

1.38

7

1.21

(1.12−1.30)***

4.99

1.16

(1.04−1.29)**

2.60

8

1.31

(1.22−1.41)***

7.45

1.29

(1.16−1.43)***

4.68

9

1.37

(1.27−1.47)***

8.36

1.31

(1.17−1.46)***

4.76

10. Highest deprivation

1.59

(1.47−1.71)***

12.18

1.53

(1.36−1.71)***

7.24

Log likelihood

 

−9861.44

  

−5147.90

 

AIC

 

19752.89

  

10325.79

 

LR Chi2

 

1312.61

  

438.01

 

Prob > chi2

 

<0.000

  

<0.000

 
  1. * p < 0.05; ** p < 0.01; *** p < 0.001.
  2. NOTE: Z−statistic = coefficient/standard error. The value follows a standard normal distribution which is used to test against a two−sided alternative hypothesis that the coefficient is not equal to zero.
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International Journal of Health Geographics

ISSN: 1476-072X