Table 3.

Cohort effect points of change on upper gastrointestinal tract cancer mortality by sex, Spain 1952–2006

Tumour	Changes in cohort effect†
	Birth year	Birth year	Birth year
	(95% CI)	(95% CI)	(95% CI)
Oral cavity & pharynx
Men	1910.9 (1908.4 - 1913.4)	1956.8 (1955.1 - 1958.5)
Women	1921.3 (1916.3 - 1926.4)	1964.2 (1962.5 – 1966.0)
Oesophagus
Men	1919.2 (1915.3 - 1923.2)	1950.8 (1947.9 - 1953.6)
Women	1897.3 (1888.5 - 1906.2)	1929.9 (1922.8 - 1937.0)	1959.3 (1956.2 - 1962.3)
Stomach
Men	1889.0 (1886.1 - 1891.9)	1940.0 (1931.9 – 1948.0)	1954.9 (1950.5 - 1959.4)
Women	1889.5 (1884.7 - 1894.3)	1938.6 (1932.2 - 1945.0)	1956.5 (1946.5 - 1966.6)

† Year of birth with significant trend change as obtained from the segmented regression analysis of cohort curvatures from the three-factor model.