Skip to main content
. 2022 Sep 29;6(9):e40572. doi: 10.2196/40572

Table 1.

Participant demographics (N=105).

Characteristics Values
Child demographics

Age (years), mean (SD) 4.4 (0.8)

Race, n (%)


African American 32 (30)


White 66 (63)


Other 7 (7)

Hispanic ethnicity, n (%) 4 (4)

Female sex, n (%) 51 (49)

Child devicea, n (%)


None 16 (15)


Android 30 (29)


iOS 32 (30)


Kindle Fire 28 (27)


Other 9 (9)


Unknown or unable to verify 5 (5)
Caregiver demographics

Age (years; range 22-78), mean (SD) 36.6 (7.8)

Female sex, n (%) 100 (95)

Relationship with child, n (%)


Mother 95 (90)


Father 6 (6)


Grandparent 3 (3)


Other 1 (1)

Phone type, n (%)


iPhone 65 (62)


Android 40 (38)

Education, n (%)


Less than high school 1 (1)


High school 8 (8)


Some college or vocational training 25 (24)


2-year degree 13 (12)


4-year degree 31 (30)


Doctorate or professional degree 27 (26)

Social assistance programs, n (%)


WICb 25 (24)


SNAPc 28 (27)


Medicaid 48 (46)

Income (US $), n (%)


<20,000 14 (13)


20,000-40,000 19 (18)


40,000-60,000 28 (27)


60,000-80,000 12 (11)


80,000-100,000 13 (12)


>100,000 19 (18)

aChild could have more than 1 device, so the percentages do not add up to 100%.

bWIC: Special Supplemental Nutrition Program for Women, Infants, and Children.

cSNAP: Supplemental Nutrition Assistance Program.