Table 3:

Annual conditional incidence after 9/11 of physical disorders, mental health symptoms, and spirometric abnormalities in the World Trade Center Screening, Monitoring, and Treatment Program study population

	Year 1	Year 2	Year 3	Year 4	Year 5	Year 6	Year 7	Year 8	Year 9
Physical health
Asthma	3·4% (22 360)	2·5% (21 496)	2·0% (19 505)	2·2% (18 227)	2·2% (16 897)	2·9% (15 317)	2·1% (12 809)	1·8% (10 744)	1·8% (7027)
Sinusitis	8·0% (22 357)	4·7% (20 476)	4·2% (18 238)	4·2% (16 709)	4·0% (15 204)	4·6% (13 537)	4·4% (11 100)	4·0% (9109)	4·3% (5870)
Gastro-oesophageal reflux disease	5·0% (24 055)	4·3% (22 741)	4·0% (20 343)	4·4% (18 603)	4·9% (16 828)	6·0% (14 796)	5·3% (11 896)	5·0% (9423)	4·1% (5650)
Mental health symptoms
New York City police
Depression	··*	0·3% (9467)	0·3% (8734)	1·4% (8026)	0·0% (7510)	0·5% (6999)	0·0% (6097)	2·0% (5420)	0·9% (3648)
PTSD	··	0·1% (9679)	0·0% (9124)	1·8% (8624)	0·8% (8155)	1·3% (7597)	0·4% (6537)	1·8% (5601)	1·0% (3761)
Panic disorder	··	0·2% (9691)	0·4% (8928)	1·5% (8186)	0·0% (7659)	0·7% (7158)	0·5% (6271)	1·3% (5591)	1·7% (3780)
Other rescue and recovery workers
Depression	··	3·6% (14 105)	2·9% (11 620)	2·0% (9855)	0·4% (8847)	1·9% (8205)	4·2% (7138)	2·9% (6229)	3·9% (4200)
PTSD	··	0·3% (14 641)	3·5% (12 306)	4·4% (10 762)	3·3% (9785)	2·3% (8956)	4·0% (7682)	2·8% (6473)	3·7% (4342)
Panic disorder	··	1·3% (15 302)	1·4% (12 880)	3·9% (10 964)	2·3% (10 083)	0·9% (9446)	0·6% (8302)	4·9% (7349)	2·9% (4953)
Abnormal spirometry	··	1·6% (22 174)	1·0% (19 105)	3·9% (16 542)	0·8% (14 378)	2·5% (12 700)	5·8% (10 883)	4·7% (8949)	6·2% (5769)

Data are % (number at risk). Number of individuals at risk estimated from cumulative incidence curves. PTSD=post-traumatic stress disorder.

^*No rate was estimated for year 1 because no data on mental health symptoms was available before 9/11. 9/11=Sept 11, 2001.