Table 1.

The Wald’s Chi-square tests for the estimated parameters of the age-period-cohort model.

Gender	Null hypothesis	χ2	df.	P-value
Overall	Net drift = 0	1346.37	1	<0.001
	All age deviations = 0	49.98	11	<0.001
	All period RR = 1	180.52	1	<0.001
	All cohort RR = 1	227.69	13	<0.001
	All local drifts = net drift	1850.02	2	<0.001
Male	Net drift = 0	1352.16	1	<0.001
	All age deviations = 0	21.67	11	0.027
	All period RR = 1	119.56	1	<0.001
	All cohort RR = 1	125.14	13	<0.001
	All local drifts = net drift	1850.86	2	<0.001
Female	Net drift = 0	422.18	1	<0.001
	All age deviations = 0	75.59	11	<0.001
	All period RR = 1	116.57	1	<0.001
	All cohort RR = 1	237.93	13	<0.001
	All local drifts = net drift	614.57	2	<0.001