Table 2.

Goodness of fit of the age-period-cohort model for gastric cancer mortality in Korea

Model	Both sexes			Men			Women
	df	Log-likelihood	AIC	df	Log-likelihood	AIC	df	Log-likelihood	AIC
Age	42	−845.0	30.7	42	−1,560.0	56.2	42	−555.3	20.3
Period	52	−7,906.8	282.5	52	−16,011.6	572.0	52	−4,774.0	170.6
Cohort	39	−242.3	9.3	39	−480.8	17.8	39	−290.2	8.1
Age+period	39	−154.5	6.1	39	−185.5	7.2	39	−144.1	5.8
Age+cohort	26	−134.3	5.9a)	26	−143.6	6.2a)	26	−124.8	5.5a)
Period+cohort	48	−152.6	6.2	48	−196.2	7.7	48	−144.9	5.9
Age+period+cohort	24	−133.8	5.9a)	24	−140.9	6.2a)	24	−124.8	5.6

AIC, Akaike Information Criterion.

^a)Minimal AIC values.