TABLE 1.

Characteristics of subjects in this cohort

Category	Gender	Group	No.	Age
		Total subjects	219	45.6 ± 11.0
Gender		Male	69	47.2 ± 12.3
		Female	150	44.8 ± 10.3
Age	Male	20-39yr	18	31.6 ± 6.3
		40-49yr	18	43.5 ± 3.2
		50-59yr	20	53.8 ± 3.0
		> 60 yr	13	63.8 ± 4.3
	Female	20-39yr	43	31.6 ± 5.6
		40-49yr	55	45.1 ± 2.7
		50-59yr	43	54.2 ± 2.6
		> 60 yr	9	61.3 ± 1.7
Hypertension		Male	12	59.1 ± 5.0
		Female	6	52.2 ± 5.3
Allergies		Male	35	45.8 ± 13.8
		Allergen (multiple answers)
		Pollen	25
		Animal	2
		House dust	1
		Unknown	8
		Female	87	44.1 ± 10.9
		Allergen (multiple answers)
		Pollen	64
		Food	12
		House dust	8
		Animal	4
		Drug	4
		Alcohol	3
		Othersa	3
		Unknown	8

^aInclude sun, metal, and latex.