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Table 3 Observed and expected numbers of cardiovascular disease (CVD) deaths and standardised mortality ratios (SMR) in the whole cohort and the substrata during the follow-up period 1990–2001.

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

covariable category observed CVD deaths expected CVD deaths SMR 95%-CI*
whole cohort   680 865.59 0.79 0.73–0.85
Sex male 296 389.09 0.76 0.68–0.85
  female 384 476.50 0.81 0.73–0.89
Age group 15–39 28 23.56 1.19 0.79–1.72
  40–64 165 199.91 0.83 0.71–0.96
  65+ 487 642.12 0.76 0.69–0.83
duration of stay <5 years 379 478.09 0.79 0.72–0.88
  5–8 years 250 333.67 0.75 0.66–0.85
  >8 years 51 53.82 0.95 0.72–1.25
study period 1990–1993 49 91.33 0.54 0.40–0.71
  1994–1997 228 281.17 0.81 0.71–0.92
  1998–2002 403 493.09 0.82 0.74–0.90
year of arrival 1990–1993 419 559.79 0.75 0.68–0.82
  1994–1997 215 247.67 0.87 0.76–0.99
  1998–2001 46 58.14 0.79 0.58–1.05
family size at arrival single 125 154.97 0.81 0.68–0.96
  2 to 4 485 595.28 0.81 0.75–0.89
  5+ 70 115.34 0.61 0.48–0.77
size of first city of residence >100,000 403 537.33 0.75 0.68–0.83
  <100,000 277 327.58 0.85 0.75–0.95
  1. *95% confidence intervals (CI) were calculated with approximate methods when the number of observed cases in a stratum was larger or equal than 50, and with exact methods if it was below.