Table 3 Associations between traumatic brain injury mortality and the socio-demographic variables, estimated with the multivariate negative binomial regression model (Guangdong, 2014–2018)

 Male

2.5*

2.1

3.0

2.1*

1.8

2.5

2.2*

1.2

3.9

2.1*

1.3

3.3

2.3*

2.0

2.6

 0 ~ 4

0.5*

0.4

0.7

1.0*

0.8

1.4

0.6*

0.2

1.6

0.4*

0.2

1.1

0.6*

0.5

0.8

 5 ~ 14

0.3*

0.2

0.3

0.3*

0.2

0.4

0.3*

0.1

1.0

0.2*

0.1

0.5

0.3*

0.2

0.3

 15 ~ 24

0.9*

0.7

1.3

0.8*

0.6

1.1

0.7*

0.2

1.9

0.7*

0.1

1.5

0.9*

0.7

1.1

 45 ~ 64

1.8*

1.3

2.4

2.8*

2.1

3.7

1.6*

0.6

4.5

1.7*

0.7

3.9

1.9*

1.6

2.4

 65 ~ 74

3.0*

2.2

4.0

6.9*

5.2

9.1

1.6*

0.6

4.5

3.7*

1.6

8.6

3.8*

3.0

4.8

  ≥ 75

3.6*

2.7

4.9

31.0*

23.3

41.2

3.7*

1.3

10.5

8.8*

3.8

20.8

10.4*

8.3

13.0

 Rural

2.5*

2.1

2.9

1.3*

1.1

1.5

2.9*

1.6

5.0

2.6*

1.6

4.3

2.0*

1.8

2.3

 2015

1.3*

1.0

1.6

1.2*

1.0

1.6

0.6*

0.3

1.5

0.8*

0.4

1.6

1.2*

1.0

1.4

 2016

1.1*

0.8

1.4

1.0*

0.8

1.2

0.5*

0.2

1.1

0.6*

0.3

1.3

1.0*

0.8

1.2

 2017

1.1*

0.9

1.5

1.2*

1.0

1.6

0.6*

0.2

1.4

0.6*

0.3

1.3

1.1*

0.9

1.3

 2018

0.9*

0.7

1.2

1.1*

0.9

1.5

0.4*

0.1

0.9

0.6*

0.3

1.3

1.0*

0.8

1.2