| Demographics |
| Age, mean (SD) (years) |
60 (7.4) |
| Gender, female (%) |
59 |
| Race (%) |
| Black or African American |
67 |
| White |
31 |
| Other |
1.4 |
| Highest education level (%) |
| Less than high school |
5.7 |
| High school |
50 |
| College |
40 |
| Graduate school |
4.3 |
| Medicaid (%) |
16 |
| Clinical features |
|
Body mass index, mean (SD) (kg/m
2
)
|
36.2 (8.3) |
| Estimated glomerular filtration rate, mean (SD) (mL/min) |
89 (32) |
| Medical conditions according to the medical record (%) |
| Alcohol |
4.3 |
| Autonomic failure |
24 |
| Cancer |
21 |
| Coronary artery disease |
7.1 |
| Heart failure |
13 |
| Diabetic neuropathy |
16 |
| Hypoglycemia in preceding 12 mo |
23 |
| Infection in preceding 30 d |
43 |
| Hospital admission in preceding 30–365 d (%) |
69 |
| Medications for diabetes mellitus (%) |
| Insulin |
| Long acting |
60 |
| Other insulin |
21 |
| Sulfonylurea |
36 |
| Last A1c (%) |
| ≤6.5 |
27 |
| > 6.5, <7 |
7.1 |
| ≥7, <8 |
24 |
| ≥8, <9 |
14 |
| ≥9 |
27 |
| Survey questions |
| Do you ever check your blood glucose (yes, %) |
77 |
| Have you ever had a low blood glucose level (yes, %) |
67 |
| Do you have a daily routine for meals (yes, %) |
49 |
| Have you ever used the Internet (yes, %) |
81 |
| Do you have Internet service at home (yes, %) |
79 |
| Used a mobile phone more than once in the past week (%) |
97 |
| Worry or fear about low blood glucose (%) |
| Baseline: “In the past month, has this been a problem?” |
| Not at all |
47 |
| Very little |
16 |
| Some |
30 |
| A lot |
7.1 |
| After the monitoring period: “How has it changed in the past 2 weeks?” |
| Worse |
1.4 |
| Same |
79 |
| Better |
20 |
