Table 4.

Demographics and Snoring Complaints in Subjects From New York University Enrolled in WTCSNORE and Subjects Attending the WTCHP but Not Enrolled in WTCSNORE

Demographics and Snoring Complaints	WTCSNORE (n = 209)	WTCHP (n = 210)
Female sex, %	20.4	20.7
Mean age ± SD, y	51.74 ± 8.27	53.9 ± 13.7
WTC Visit 1 Questionnaire, No. (%)
Pre-September 11, 2001, snoring	…	70 (33.3)
Post-September 11, 2001, snoring (within last month of administering questionnaire) (n = 201)	75 (37)	106 (50.7)
Current snoring at enrollment in WTCSNORE, No. (%)	96 (47.3)	NA

NA = not applicable; WTC = World Trade Center; WTCHP = WTC Health Program.