Table 1.

Demographic characteristics for patient participants (N=25).

Demographic characteristic			Value
Age (years), mean (SD)			33.7 (8.1)
Gender (male), n (%)			13 (52)
Race and ethnicity, n (%)
	White, non-Hispanic	21 (84)
	Black, non-Hispanic	2 (8)
	Other race	2 (8)
Education, n (%)
	Less than high school	5 (20)
	High school or GEDa	12 (48)
	Some college	7 (28)
	College graduate	1 (4)
Employment, n (%)
	Employed full time	3 (12)
	Employed part time	7 (28)
	Disabled	4 (16)
	Unemployed	11 (44)
Owned a smartphone, n (%)			8 (32)
Time in medication-assisted treatment clinic (days), mean (SD)			106.8 (142.7)

^aGED: General Educational Development high school equivalency diploma.