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Table 1 Participation rates in six cohorts of middle-aged women living in Gothenburg, Sweden

From: Secular trends in cardiovascular risk factors among women aged 45–54 years in Gothenburg, Sweden, from 1980 to 2014

Birth year Year of examination Age at examination, years Number invited Number examined Participation rate (%)
1925–1934 1980 45–54 754 618 82
1931–1940 1985 45–54 246 207 84
1936–1945 1990 45–54 291 218 75
1941–1950 1995 45–54 354 241 68
1953 2003–2004 50–51 994 667 67
1963 2013–2014 50 645 343 53