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Table 2 Number of causes by certificate (results from zero-truncated Poisson models)

From: Quality comparison of electronic versus paper death certificates in France, 2010

 

Mean (standard deviation)

Univariate analysis

Multivariate analysis

   

All-ages type effect1

Age-specific type effect2

  

RN [IC95%]

RN [IC95%]

RN [IC95%]

All

3.41 (1.89)

   

Type

    

  Electronic, all ages

3.99 (2.13)

1.20 [1.19-1.21]

1.14 [1.13-1.15]

 

  Paper, all ages

3.39 (1.88)

1.00

1.00

 

  Electronic, <65 years

3.86 (1.96)

1.25 [1.23-1.27]

 

1.19 [1.17-1.20]

  Paper, <65 years

3.17 (1.76)

1.00

 

1.00

  Electronic, ≥65 years

4.04 (2.19)

1.19 [1.18-1.20]

 

1.12 [1.11-1.13]

  Paper, ≥ 65 years

3.44 (1.91)

1.00

 

1.00

Place of death

    

  Home or elsewhere

3.07 (1.78)

0.81 [0.81-0.82]

0.82 [0.82-0.82]

0.82 [0.82-0.82]

  Hospital or private clinic

3.67 (1.94)

1.00

1.00

1.00

Age

    

  <65 years

3.20 (1.77)

0.91 [0.91-0.92]

0.89 [0.89-0.89]

0.89 [0.89-0.89]

  ≥65 years

3.47 (1.92)

1.00

1.00

1.00

Underlying cause of death

    

  Violent deaths

3.58 (2.05)

1.07 [1.06-1.07]

1.16 [1.15-1.17]

1.16 [1.15-1.17]

  Cardiovascular diseases

3.46 (1.89)

1.02 [1.02-1.03]

1.05 [1.04-1.05]

1.05 [1.04-1.05]

  Respiratory diseases

3.58 (1.85)

1.07 [1.06-1.07]

1.06 [1.05-1.06]

1.06 [1.05-1.06]

  Gastrointestinal diseases

3.89 (1.98)

1.17 [1.16-1.18]

1.16 [1.15-1.16]

1.16 [1.15-1.16]

  Others

3.23 (1.99)

0.95 [0.94-0.95]

0.99 [0.99-1.00]

0.99 [0.99-1.00]

  Neoplasms

3.39 (1.75)

1.00

1.00

1.00

  1. RN: Relative number of causes by certificate.
  2. 1Model adjusted on age, type of certificate, place of occurrence of death, gender, initial cause of death, and region of death (data not shown).
  3. 2Same model as 1 with age-specific type effect.