Table 1:

Participants’ Demographic Information

Pseudonym	Gender	Age Group	Education	Racial or Ethnic Group	Mobile Phone Operating System	Regularly received assists from others with mobile phone use
Thomas	Man	55-64	Bachelor’s degree	White	iOS	Yes
Elenora	Woman	55-64	Master’s degree	White	Android	No
Kim	Woman	45-54	Bachelor’s degree	Black or African American	iOS	No
Tristen	Man	65-74	Some college credit, no degree	White	Android	Yes
Sylvia	Woman	55-64	Some college credit, no degree	Black or African American	Android	No
Preston	Man	55-64	Some college credit, no degree	White	Android	No
Miranda	Woman	55-64	Some college credit, no degree	White	iOS	Yes
Kennith	Man	65-74	Some college credit, no degree	White	iOS	Yes
Tina	Woman	65-74	Master’s degree	White	iOS	No
Malcolm	Man	55-64	Master’s degree	White	iOS	Yes
Josslyn	Woman	65-74	Some college credit, no degree	White	Android	No
Hall	Man	65-74	High school diploma or the equivalent	White	iOS	Yes
Alecia	Woman	55-64	Some college credit, no degree	White	Android	No
Sabella	Woman	55-64	Some college credit, no degree	Black or African American	iOS	Yes