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Table 2 Goodness of fit for age-period-cohort models to upper gastrointestinal tract cancer mortality, Spain 1952-2006

From: Trends in oral cavity, pharyngeal, oesophageal and gastric cancer mortality rates in Spain, 1952–2006: an age-period-cohort analysis

Model Oral cavity & pharynx Oesophagus Stomach
Men D.f. Deviance D.f. Deviance D.f. Deviance
Age 110 7185.8 110 3052.2 130 19676.3
Age + drift 109 3296.2 109 2396.6 129 1923.0
Age + period 100 2145.2 100 1080.9 120 571.4
Age + cohort 90 2404.7 90 2087.0 108 850.4
Age + period + cohort 81 200.6 81 143.0 99 136.8
Annual net-drift*   2.01%   0.72%   -2.70%
Women       
Age 110 492.8 110 1805.0 130 21345.9
Age + drift 109 312.3 109 860.2 129 2048.3
Age + period 100 287.8 100 319.5 120 1077.6
Age + cohort 90 164.6 90 397.8 108 611.1
Age + period + cohort 81 115.1 81 123.6 99 152.4
Annual net-drift*   1.04%   -1.89%   -3.50%
  1. D.f. – Degrees of freedom.
  2. *Overall annual percent change in age-adjusted mortality rates obtained from the sum of period and cohort linear slopes from the three-factor model.