Table 2.

Study subject demographics for entire study population

Demographics	N = 456 (%)
Sex
Female	330 (72%)
Male	126 (28%)
Race
American Indian or Alaskan Native	7 (2%)
Asian	13 (3%)
Black or African American	6 (1%)
Native Hawaiian or Pacific Islander	1 (0%)
White	390 (95%)
Multiple races	1 (0%)
Decline to answer	0
Ethnicity
Hispanic, Latino, or of Spanish Origin	12 (3%)
Not Hispanic, Latino, or of Spanish Origin	418 (92%)
Do not know	16 (4%)
Missing	2 (0%)
Decline to answer	8 (2)
Location
USA or Canada	370 (81%)
Outside USA or Canada	86 (19%)

Level of education	N = 456 (%)
Grade 8 or less	19 (4%)
Some high school	21 (5%)
High school graduate or GED	35 (8%)
Some college. No bachelor's degree	142 (31%)
Bachelor's degree	111 (24%)
Post-bachelor's degree awarded	118 (26%)
Decline to answer	8 (2%)
Employment status
Disabled (unable to work)	16 (4%)
Student (not working)	45 (10%)
Employed with income	294 (64%)
Employed without income (volunteer)	3 (1%)
Homemaker	17 (4%)
Retired	64 (14%)
Decline to answer	5 (1%)
Household income (US Dollars)
Less than $9999	24 (5%)
$10,000 to $29,000	43 (9%)
$30,000 to $39,000	50 (11%)
$50,000 to $99,000	126 (28%)