Table 1.
Descriptive characteristics of the study population of Livongo members with more than 1 blood glucose (BG) check (n=4544)a.
| Characteristics | n (%) or mean (SD) | |
| Female, n, (%) | 2499 (55.00) | |
| Age (years), n (%) | ||
| 18-44 | 1254 (27.60) | |
| 45-64 | 2853 (62.79) | |
| ≥65 | 436 (9.60) | |
| Diabetes type, n (%) | ||
| 1 | 709 (15.60) | |
| 2 | 3303 (72.69) | |
| Unknown | 532 (11.71) | |
| Insulin use, n (%) | ||
| Yes | 1704 (37.50) | |
| No | 2213 (48.70) | |
| No. days of Livongo participation, mean | 95 | |
| Frequency of BG checks per day, mean | 1.8 | |
| Mean no. of days with BG >180 mg/dL, n (%) | 31.7 (33.4) | |
| Within-person SD | 35.2% | |
| Between-person SD | 34.2% | |
| Mean no. of days with BG <70 mg/dL, n (%) | 5.8 (6.1) | |
| Within-person SD | 20.4% | |
| Between-person SD | 11.9% | |
| BG (mg/dL), mean (SD) | 152 (54) | |
| Within-person SD | 39 | |
| Between-person SD | 54 | |
aProportions do not always sum to 100 due to missing values.