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Table 4 Rate ratios (RR) and 95% confidence intervals (CI) for all-cause standardised mortality ratios as derived from Poisson regression models which employ the natural logarithm of expected cases as offset term.

From: All-cause and Cardiovascular mortality among ethnic German immigrants from the Former Soviet Union: a cohort study

  

univariate†

multivariate-adjusted‡

covariable

category

RR

95%-CI

RR

95%-CI

Sex

male*

1

 

1

 
 

female

0.90

0.82–0.99

0.94

0.85–1.03

Age group

15–39*

1

 

1

 
 

40–64

0.88

0.74–1.04

0.88

0.74–1.04

 

65+

0.75

0.64–0.99

0.76

0.64–0.90

duration of stay

<5 years*

1

 

1

 
 

5–8 years

0.91

0.82–1.00

0.86

0.74–1.00

 

>8 years

0.98

0.80–1.20

0.96

0.75–1.23

study period

1990–1993*

1

 

1

 
 

1994–1997

1.28

1.06–1.55

1.27

1.04–1.55

 

1998–2002

1.38

1.16–1.67

1.44

1.14–1.83

year of arrival

1990–1993*

1

 

1

 
 

1994–1997

1.26

1.13–1.40

1.15

1.01–1.31

 

1998–2001

1.33

1.12–1.58

1.11

0.88–1.39

family size

single*

1

 

1

 
 

2 to 4

1.12

0.99–1.28

1.09

0.96–1.25

 

5+

0.79

0.65–0.95

0.76

0.63–0.92

size of city

>100,000*

1

 

1

 
 

<100,000

1.01

0.92–1.12

0.99

0.90–1.10

  1. *reference category
  2. †the Poisson models only contain the respective covariable
  3. ‡the Poisson model contains all covariables; intercept (baseline log SMR): -0.24 (p = 0.05)
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BMC Public Health

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