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Table 1 Characteristics of all Aussiedler from the Former Soviet Union (FSU) to North-Rhine Westphalia (NRW) and of cohort members upon arrival in Germany together with the accrued person time in the respective categories of the covariables.

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

   cohort all Aussiedlerfrom the FSU to NRW
covariable category person years* individuals (%) individuals (%)
sex male 117,597 16,734 (48.66) 133,807 (47.56)
  female 124,548 17,659 (51.34) 147,549 (52.44)
age group§ 15–39 146,081 19,863 (57.75) 164,799 (58.57)
  40–64 75,180 10,954 (31.85) 88,467 (31.44)
  65+ 20,884 3,576 (10.40) 28,090 (9.98)
duration of stay <5 years 146,891   
  5–8 years 83,130   
  >8 years 12,124   
study period 1990–1993 26,494   
  1994–1997 78,096   
  1998–2002 137,555   
year of arrival 1990–1993 141,832 14,728 (42.82) 112,055 (39.83)
  1994–1997 76,404 11,441 (33.27) 104,275 (37.06)
  1998–2001 23,909 8,224 (23.91) 65,026 (23.11)
family size at arrival single 41,092 5,512 (16.03) 44,264 (15.73)
  2–4 164,276 23,890 (69.46) 194,510 (69.13)
  >4 36,777 4,991 (14.51) 42,582 (15.13)
population size of first city of residence <100,000 140,804 15,343 (44.61) 190,241 (67.62)
  > = 100,000 101,341 19,050 (55.39) 91,115 (32.38)
total   242,145 34,393(100.00) 281,356 (100.00)
  1. *person time is rounded to full person years
  2. §number of individuals and percentage are given for the age group at arrival in Germany
  3. since duration of stay and calendar period are time-dependent variables, the number of individuals and percentage in the categories cannot be given