Table 4.
Participant-reported outcomesa
| Baseline (N = 34) |
Month 1 (N = 34) | Month 2b (N = 33) |
Month 3 (N = 34) | P for change from baseline to month 3d | |
|---|---|---|---|---|---|
| CGM Self Efficacy Scale Mean Score | NA | 5.3 (4.7, 5.8) | NA | 5.5 (5.3, 6.0) | NA |
| Median (quartiles) (range, 0-6) | |||||
| Diabetes Distress Scale Management | 1.8 (0.8, 2.5) | 0.6 (0.3, 1.3) | 0.5 (0.3, 1.0) | 0.5 (0.3, 1.3) | < .001 |
| Distress Subscale Mean Score | |||||
| Median (quartiles) (range, 0-5) | |||||
| Glucose Monitoring Satisfaction Survey | 3.2 ± 0.6 | 3.7 ± 0.8 | 3.9 ± 0.6 | 3.9 ± 0.7 | < .001 |
| Mean score | |||||
| Mean ± SD (range, 1-5) | |||||
| Openness Subscale Mean score | 2.6 ± 0.7 | 3.4 ± 0.9 | 3.6 ± 0.6 | 3.7 ± 0.9 | < .001 |
| Mean ± SD (range, 1-5) | |||||
| Emotional Burden Subscale Mean Score | 2.6 ± 0.8 | 2.3 ± 0.9 | 2.1 ± 0.8 | 2.2 ± 0.8 | .003 |
| Mean ± SD (range, 1-5) | |||||
| Behavioral Burden Subscale Mean Score | 2.9 (2.0, 3.3) | 1.5 (1.0, 2.8) | 1.8 (1.3, 2.0) | 1.9 (1.0, 2.5) | < .001 |
| Median (quartiles) (range, 1-5) | |||||
| Trust Subscale Mean Score | 3.7 (3.0, 4.0) | 4.0 (3.0, 4.3) | 4.0 (3.0, 4.7) | 4.0 (3.3, 5.0) | .02 |
| Median (quartiles) (range, 1-5) | |||||
| Hypoglycemia Confidence Survey Mean | 2.1 (1.4, 2.6) | 2.4 (2.2, 2.8) | NA | 2.3 (2.0, 2.9) c | < .001 |
| Score | |||||
| Median (quartiles) (range, 0-3) | |||||
| Diabetes Technology Attitudes Survey | 4.0 (3.6, 4.4) | 4.4 (4.0, 5.0) | NA | 4.8 (4.0, 5.0) | < .001 |
| Mean score | |||||
| Median (quartiles) (range, 1-5) | |||||
| Benefits and Barriers of CGM Survey | 2.2 (1.8, 2.7) | 1.7 (1.4, 2.0) | NA | 1.5 (1.2, 2.2) | < .001 |
| Mean score | |||||
| Median (quartiles) (range, 1-5) |
Abbreviations: CGM, continuous glucose monitoring; HbA1c, hemoglobin A1c; NA, not available.
aShaded rows denote questionnaires for which a higher score is better.
bOne participant did not complete questionnaires at month 2.
cOne participant who completed the questionnaires at month 3 did not complete the Hypoglycemia Confidence Survey.
dBased on a Wilcoxon signed rank test. For the Clarke Hypoglycemia Unawareness Survey; the Fisher exact test was used instead.