Table 3.

Demographic, socioeconomic and health characteristics of the study population.

Variable	Category	Number	Mean or percent
Age (years)		206	37.4
Gender	Males	70	34.0%
	Females	136	66.0%
Race	White	117	56.8%
	African American	75	36.4%
	American Indian or Alaska Native	1	0.5%
	Asian or Pacific Islander	4	1.9%
	Other	8	3.9%
Ethnicity	Hispanic	13	6.3%
Education	Did not graduate high school	13	6.3%
	High school graduate	32	15.5%
	Some college, no degree	40	19.4%
	Associate degree	15	7.3%
	Bachelor’s degree	60	29.1%
	Post baccalaureate degree	46	22.3%
Ever lived on a farm		37	18.0%
Water from private well		24	11.7%
Current smoker		57	27.7%
BMI category	Obese	59	28.6%
	Overweight	55	26.7%
	Normal weight	89	43.2%
	Underweight	3	1.3%
Self-reported health	Excellent	49	23.8%
	Very good	92	44.7%
	Good	51	24.8%
	Fair	13	6.3%
	Poor	0	0.0%
Previously diagnosed with:
Allergy (any)		107	51.9%
Depression		47	22.8%
Asthma		25	12.1%
Arthritis		20	9.7%
IBS		13	6.3%
Diabetes		9	4.4%
Ulcers		8	3.9%
Cancer		4	1.9%
Liver disease		2	1.0%
Heart disease		1	0.5%
Chronic obstructive pulmonary disease (COPD)		0	0.0%
Kidney disease		0	0.0%