Table 2.
Univariate polytomous logistic regression for baseline predictors of iDAT app use trajectory group membership (odds ratios are calculated with Minimal Users as the reference group).
|
|
|
Minimal Users (n=66) | Intermittent-Waning Users (n=10) |
Consistent Users (n=8) |
Overall P value | ||||
|
|
|
n (%) or mean (SD) |
n (%) or mean (SD) |
OR (95% CI) | P | n (%) or mean (SD) |
OR (95% CI) | P |
|
| Gender (female) | 30 (45%) | 4 (40%) | 0.8 (0.2-3.1) | .75 | 7 (88%) | 8.4 (1.0-72.1) | .052 | .14 | |
| Age, years | 47.8 (8.7) | 47.2 (7.7) | 1.0 (0.9-1.1) | .82 | 52.0 (7.7) | 1.1 (1.0-1.2) | .20 | .41 | |
| Body Mass Index (BMI) | 29.1 (6.3) | 31.0 (5.7) | 1.0 (0.9-1.2) | .38 | 26.3 (4.2) | 0.9 (0.8-1.1) | .20 | .27 | |
| Glycosylated hemoglobin (HbA1c) | 8.9 (2.5)a | 7.2 (1.6) | 0.7 (0.4-1.0) | .07 | 8.5 (3.0)b | 0.9 (0.7-1.3) | .71 | .19 | |
| iDATcusefulness score (0-9) | 6.6 (1.6) | 7.2 (1.1) | 1.4 (0.8-2.3) | .21 | 7.4 (1.2) | 1.5 (0.9-2.7) | .15 | .20 | |
| Healthy diet score (0-9) | 4.6 (1.9) | 5.2 (1.5) | 1.2 (0.8-1.7) | .39 | 6.1 (2.1) | 1.6 (1.0-2.5) | .045 | .11 | |
| Diet motivation score (0-9) | 7.1 (1.6) | 7.7 (0.9) | 1.4 (0.8-2.3) | .25 | 8.3 (1.0) | 2.1 (1.0-4.5) | .055 | .10 | |
| Exercise frequency | .32 | ||||||||
|
|
Few times or none per year | 29 (44%) | 4 (40%) | 0.6 (0.1-2.7) | .49 | 1 (13%) | 0.1 (0.1-1.1) | .06 |
|
|
|
1-4 times per month | 20 (30%) | 2 (20%) | 0.4 (0.1-2.6) | .36 | 2 (25%) | 0.3 (0.1-2.0) | .23 |
|
|
|
More than once a week | 17 (26%) | 4 (40%) | Ref |
|
5 (62%) | Ref |
|
|
| Exercise motivation score (0-9) | 6.4 (1.5) | 7.4 (1.3) | 1.8 (1.0-3.1) | .049 | 8.3 (0.9) | 3.9 (1.6-9.6) | .003 | .004 | |
| DES-SFd(1-5) | 4.0 (0.5) | 4.4 (0.3) | 6.6 (1.4-29.8) | .02 | 4.3 (0.5) | 4.0 (0.8-19.4) | .09 | .02 | |
an=56, not all patients had HbA1clevels at baseline. bn=7, not all patients had HbA1clevels at baseline.
ciDAT: interactive Diet and Activity Tracker
dDES-SF: Diabetes Empowerment Scale-Short Form