Table 9.
Association between the value in the paper survey and the average value in the biweekly app survey.
| Survey | Average value in the app survey | AICa | Observations | ||||
|
|
Beta | ORb | Z value | P value |
|
|
|
| PHQ-9c sum |
|
|
|
|
|
|
|
|
|
Same day | 0.437 | 1.548 | 2.504 | .01 | 25.12 | 18 |
|
|
3 days | 0.296 | 1.344 | 3.655 | <.001 | 192.35 | 39 |
|
|
7 days | 0.282 | 1.326 | 4.402 | <.001 | 360.71 | 63 |
|
|
14 days | 0.247 | 1.280 | 5.253 | <.001 | 544.75 | 96 |
| PHQ-10 d |
|
|
|
|
|
|
|
|
|
Same day | 2.069 | 7.917 | 2.556 | .01 | 20.02 | 18 |
|
|
3 days | 2.168 | 8.741 | 2.885 | .004 | 56.65 | 39 |
|
|
7 days | 2.155 | 8.628 | 3.433 | .001 | 103.13 | 63 |
|
|
14 days | 1.343 | 3.831 | 3.679 | <.001 | 169.69 | 96 |
aAIC: Akaike information criterion.
bOR: odds ratio.
cPHQ-9: Patient Health Questionnaire–9.
dPHQ-10: Patient Health Questionnaire Q10.