Table 1. Numbers of person years observed, cases of schizophrenia spectrum disorders, and average annual incidence of first admission for treatment, by age and sex.

Age		0-4	5-9	10-14	15-19	20-24	25-29	30-34	35-39
Person-years observed
	Males	227431	225757	225440	224849	223061	221552	220488	219979
	Females	214879	213588	213354	212925	212026	211300	210701	210459
	Total	442310	439345	438794	437774	435087	432852	431189	430438
Schizophrenia cases
	Males	0	5	12	136	181	120	66	16
	Females	0	6	17	96	91	69	43	2
	Total	0	11	29	232	272	189	109	18
Incidence/100,000
	Males	0	2.2	5.3	60.6	81.2	59.9	49.8	32.0
	Females	0	2.8	8.0	45.1	42.9	36.1	33.9	4.2
	Total	0	2.5	6.6	53.0	62.5	48.3	42.0	18.4