Table 1. Age- and gender-specific incidence of PTSD in a large community longitudinal cohort (n = 76,417).

Age (years)	Male			Female			Both genders
	Cases	PY	Incidence (×10−5)	Cases	PY	Incidence (×10−5)	Cases	PY	Incidence (×10−5)
20–29	6	5815	103.18	21	10760	195.16	27	16576	162.89
30–39	12	15417	77.84	46	33407	137.70	58	48824	118.79
40–49	11	20966	52.47	42	39158	107.26	53	60124	88.15
50–59	5	14692	34.03	20	27615	72.42	25	42307	59.09
60–69	8	15880	50.38	14	24299	57.61	22	40179	54.75
>=70	3	15596	19.24	5	15385	32.50	8	30981	25.82
Total	45	88367	50.92	148	150625	98.26	193	238991	80.76

PY = person-years.