. Author manuscript; available in PMC: 2008 Feb 7.

Published in final edited form as: Ann Allergy Asthma Immunol. 2006 Aug;97(2):231–235. doi: 10.1016/S1081-1206(10)60019-1

Table 2.

Characteristics of Snorers and Nonsnorers^*

Variable	Nonsnorers (n = 446)	Snorers (n = 231)	P value
Age, mean ± SD, y	29.28 ± 5.60	29.86 ± 5.66	.9^†
African American race	15.3	23.6	.007^‡
Yearly income ≥$40,000	69.1	60.6	.03^‡
Education status			.09^‡
High school or less	21.5	24.9
College (no degree)	25.8	26.2
College (degree)	52.7	48.9
Maternal cigarette smoking	12.5	18.8	.03
Environmental tobacco smoke exposure	22.2	20.3	.06^‡
Asthma			.004
Ever diagnosed (no symptoms)	6.5	4.1
Symptoms (but not diagnosed)	25.2	34.2
Ever diagnosed + symptoms	17.1	23.0
Rhinitis	73.5	74.9	.5^‡

Data are given as percentages except where indicated otherwise.

^†

By t test.

^‡

By χ² test.