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Table 4 Mortality risk ratios (95% confidence intervals) in models with alternative area variables

From: Family origin and mortality: prospective Finnish cohort study

Model

Variable

Risk ratio

Wald(d.f.)

p-value

Model 1

Area of residence at age 30-34 years (or ethnicity)

    
 

Western Finland

Reference

58.60(2)

< 0.001

 

Eastern Finland

1.12

(1.00 to 1.26)

  
 

Swedish speaker

0.60

(0.51 to 0.70)

  

Model 2

Birth area (or ethnicity)

    
 

Western Finland

Reference

59.26(2)

< 0.001

 

Eastern Finland

1.13

(1.01 to 1.26)

  
 

Swedish speaker

0.60

(0.52 to 0.71)

  

Model 3

Mother's birth area (or ethnicity)

    
 

Western Finland

Reference

59.78(2)

< 0.001

 

Eastern Finland

1.14

(1.02 to 1.27)

  
 

Swedish speaker

0.62

(0.52 to 0.72)

  

Model 4

Father's birth area (or ethnicity)

    
 

Western Finland

Reference

65.78(2)

< 0.001

 

Eastern Finland

1.21

(1.08 to 1.35)

  
 

Swedish speaker

0.64

(0.54 to 0.75)

  

Model 5

Parents' birth area (or ethnicity)

    
 

Both from western Finland

Reference

66.87(2)

< 0.001

 

One or both from eastern Finland

1.23

(1.09 to 1.39)

  
 

Swedish speaker

0.66

(0.56 to 0.78)

  

Model 6

Parents' birth area (or ethnicity)

    
 

Both from western Finland

Reference

66.87(3)

< 0.001

 

One from eastern Finland

1.23

(1.05 to 1.43)

  
 

Both from eastern Finland

1.24

(1.09 to 1.41)

  
 

Swedish speaker

0.66

(0.56 to 0.78)

  
  1. Number of persons is 61531. Number of deaths is 1464.
  2. All models are adjusted for educational level, family type, and birth year.
  3. Wald statistic (degrees of freedom) and p-value are for the entire variable.