Table 1.

Participant sociodemographic, scan, and internet characteristics (N=268).

Characteristic		n (%)a
Mean age years (SD)		53 (15)
Gender
	Male	120 (44.8)
	Female	148 (55.2)
Marital status
	Married or partner	148 (64.9)
	Not married/living with partner	80 (35.1)
Education completed
	High school or less	169 (63.1)
	More than high school	99 (36.9)
Geographic location
	Metropolitan	212 (79.1)
	Nonmetropolitan	56 (20.9)
Scan type
	CT	104 (38.8)
	MRI	160 (59.7)
	Don’t know	4 (1.5)
Used internet for scan
	Yes	29 (10.9)
	No	237 (88.8)
	Don’t know	1 (0.3)
Frequency of internet use
	Less than once a month	11 (4.1)
	Once a month	5 (1.8)
	A few times a month	14 (5.2)
	A few times a week	36 (13.5)
	About once a day	51 (19.1)
	Several times a day	150 (56.2)
Information amount preference
	No information	2 (0.8)
	Some information	59 (26.0)
	A lot of information	166 (73.1)

^aNumber of observations for each characteristic may not total 268 because of missing data.