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Table 4 Multinomial Regression of the Cause of Deaths Categories by Age Group and Sex

From: Application of verbal autopsy in routine civil registration in Lusaka District of Zambia

Cause of Death (Ref = Communicable)

Model 1 Odds Ratio

95% CI

Sig. (p = 0.05)

Model 2 OR

95% CI

P-value

Lower Bound

Upper Bound

Lower Bound

Upper Bound

Non-Communicable

Sex (Ref = Female)

        

Male

0.79

0.66

0.94

0.01

0.86

0.71

1.05

0.14

Exact Age

1.02

1.02

1.02

0.00

    

Age Group (Ref = 55+ Years)

        

0

    

0.10

0.07

0.15

0.00

1–4

    

0.02

0.01

0.04

0.00

5–14

    

0.12

0.08

0.21

0.00

15–34

    

0.14

0.11

0.19

0.00

35–54

    

0.13

0.10

0.17

0.00

External Causes

         

Sex (Ref = Female)

        

Male

2.96

2.37

3.70

0.00

2.56

2.02

3.24

0.00

Exact Age

1.02

1.02

1.02

0.00

    

Age Group (Ref = 55+ Years)

        

0

    

0.00

0.00

0.00

0.00

1–4

    

0.87

0.53

1.41

0.56

5–14

    

5.69

3.55

9.10

0.00

15–34

    

3.87

2.32

4.89

0.00

35–54

    

1.453

1.01

2.10

0.05

 

Model AIC

2114.75

   

161.96

   
  1. Two models were fitted; in Model 1 analyzing age as a continuous variable and sex; in Model 2, both age and sex were analyzed as categorical variables. Model had better fit based on a lower AIC value than Model 1