TABLE 3.

Prevalences and Odds Ratios of WTC Exposure Variables for Paresthesias of the Upper or Lower Extremities in the Year Before Interview (n = 3,141)

Variable	N	N (%) With Paresthesia	OR 95% CI	P
Exposure group				<0.0001
Local workers	1,855	1,094 (59)	1.0
Residents	728	367 (50)	0.71 (0.60–0.84)
Rescue/Recovery	59	31 (53)	0.77 (0.46–1.29)
Clean-up worker	153	111 (73)	1.83 (1.27–2.65)
Other and missing	346	190 (55)	0.84 (0.67–1.07)
Caught in WTC dust cloud				0.0002
No	1,357	724 (53)	1.0
Yes	1,782	1,068 (60)	1.31 (1.13–1.51)
Severity of WTC dust on person on 9/11/2001				<0.0001
0 (not covered or n/a)	1336	715 (54)	1.0
1 (lightly covered)	500	257 (51)	0.92 (0.75–1.12)
2 (heavily covered)	1,273	801 (63)	1.47 (1.26–1.72)
Cleaned workplace after 9/11/2001				<0.0001
No	2,628	1,446 (55)	1.0
Yes	470	322 (69)	1.78 (1.44–2.19)
Cleaned own apartment after 9/11				0.4
No	2,485	1,411 (57)	1.0
Yes	605	355 (59)	1.08 (0.90–1.29)

CI, confidence interval; OR, odds ratio; WTC, World Trade Center.