Table 5.

Incidence and 3-year prevalence of mental illness. These sample counts are weighted using population weights for each wave.

	Weighted incidence
	Wave 1		Wave 2		Wave 3		3-year prevalence
Variable	n	%	n	%	n	%	n	%
PTSD	727	30.3	228	11.4	145	7.7	1100	45.9
HR-SMI	370	15.4	146	7.27	111	5.9	627	26.1
At least 1 primary outcome at any wave	–	–	–	–	–	–	1,254	52.2
No primary outcomes at all waves	611	25.5	611	30.4	611	32.3	611	25.5
Total	2,399	100	2,009	100	1,894	100	2,399	100

– = not calculated. PTSD, post-traumatic stress disorder; HR-SMI, high risk of severe mental illness.