Research Article

The Design, Usability, and Feasibility of a Family-Focused Diabetes Self-Care Support mHealth Intervention for Diverse, Low-Income Adults with Type 2 Diabetes

Table 2

Participant characteristics.

M ± SD or (%)Total
Support Person Invited
Yes
No

Demographics
Age, years51.7 ± 10.252.0 ± 9.451.3 ± 11.6
Gender, female10 ()4 ()6 ()
Race
 Caucasian/white7 ()4 ()3 ()
 African American/black8 ()4 ()4 ()
 Others3 ()1 ()2 ()
Education, years12.8 ± 2.513.4 ± 1.912.2 ± 2.9
Annual household income, US
 <10,0008 ()3 ()5 ()
 10,000–34,9997 ()3 ()4 ()
 ≥35,0003 ()3 ()0 ()
Limited health literacy (BHLS)2 ()1 ()1 ()
Family characteristics
Married/partnered5 ()3 ()2 ()
Helpful actions (DFBC-II)1.6 ± 0.71.5 ± 0.81.6 ± 0.7
Harmful actions (DFBC-II)1.4 ± 0.71.2 ± 0.71.6 ± 0.8
Diabetes characteristics
Diabetes duration, years6.9 ± 5.95.1 ± 5.18.3 ± 6.4
Insulin status, taking insulin 8 ()4 ()4 ()
Previous cell phone use
Comfortable using cell phone18 (95)9 (100)9 (90)
Used text messages 17 (90)8 (89)9 (90)
Self-care adherence
Medication adherence (ARMS-D)25.8 ± 2.825.9 ± 3.925.7 ± 1.4
General diet (SDSCA)3.6 ± 2.53.7 ± 2.83.5 ± 2.4
Specific diet (SDSCA)3.5 ± 1.73.3 ± 1.63.6 ± 2.0
Exercise (SDSCA)2.0 ± 1.52.2 ± 1.62.1 ± 1.5
SMBG (SDSCA)3.9 ± 3.13.0 ± 3.24.7 ± 2.9
Glycemic control (A1c, %)7.4 ± 1.67.4 ± 1.67.5 ± 1.7

One participant refused/did not know.
Two Hispanic people and one Native American.
Note. Mann–Whitney and Fisher’s exact tests identified no association between any variable and inviting a support person. A1c, hemoglobin A1c; BHLS, Brief Health Literacy Screen (limited if score ≤ 9); ARMS-D, Adherence to Refills and Medications Scale for Diabetes medication taking subscale (possible range 7–28; higher scores indicate more adherence); DFBC-II, Diabetes Family Behavior Checklist-II (possible range 1 = never to 5 = once a day); SDSCA, Summary of Diabetes Self-Care Activities (possible range 0–7; it indicates number of days adherent per week); and SMBG, self-monitoring of blood glucose.