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Table 4 Associations between spinal cord injury mortality and the socio-demographic variables, estimated with the multivariate negative binomial regression model (Guangdong, 2014-2018)

From: Trends and external causes of traumatic brain injury and spinal cord injury mortality in south China, 2014–2018: an ecological study

Socio-demographic variable

SCI mortality by external cause of injury

Total SCI mortality

Motor vehicle crashes

Falls

Others

MRR

95%CI

MRR

95%CI

MRR

95%CI

MRR

95%CI

Lower

Upper

Lower

Upper

Lower

Upper

Lower

Upper

Sex (reference = female)

 Male

5.4*

1.4

23.0

2.5*

1.2

5.1

1.3*

0.4

4.7

2.2*

1.1

4.7

Age (reference = 25 ~ 44 years)

 0 ~ 4

0.0*

0.0

0.4

0.0*

0.0

0.0

0.0*

0.0

0.0

0.0*

0.0

0.1

 5 ~ 14

0.1*

0.0

1.1

0.0*

0.0

0.0

0.0*

0.0

0.0

0.1*

0.0

0.3

 15 ~ 24

0.0*

0.0

0.2

0.0*

0.0

0.0

0.7*

0.1

6.6

0.1*

0.0

0.4

 45 ~ 64

1.5*

0.2

13.2

4.7*

1.9

11.9

4.6*

0.8

27.3

3.2*

1.0

10.1

 65 ~ 74

3.8*

0.4

38.1

17.3*

6.8

44.8

23.9*

4.0

146.3

13.9*

4.2

46.0

 ≥ 75

3.1*

0.3

29.9

238.0*

86.8

665.6

188.5*

33.7

1064.5

157.5*

47.8

523.6

Location (reference = Urban)

 Rural

6.8*

1.8

31.4

1.2*

0.6

2.2

2.4*

0.6

10.0

4.6*

2.0

11.4

Year (reference = 2014)

 2015

2.6*

0.3

20.5

1.9*

0.7

5.3

2.9*

0.4

28.1

3.6*

1.2

11.4

 2016

1.2*

0.2

9.3

1.8*

0.7

5.0

1.5*

0.3

8.6

1.0*

0.3

2.9

 2017

2.0*

0.2

19.5

2.7*

1.0

7.2

2.5*

0.4

14.5

2.8*

0.9

9.4

 2018

4.8*

0.6

44.7

4.1*

1.5

11.2

2.3*

0.4

13.9

2.0*

0.7

5.6

  1. MRR Mortality rate ratio, adjusted for location, sex, age group and year, CI Confidence interval, MRR Mortality rate ratio, SCI Spinal cord injury
  2. *P < 0.05