Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Other |
App quality (overall) |
App quality (overall) will be assessed with the User Version of the Mobile Application Rating Scale. Total scores range from 1 to 5 with higher scores indicating greater quality. |
User Version of the Mobile Application Rating Scale will be administered to the intervention group after 4 weeks (post) |
|
Other |
App quality (engagement) |
App quality (engagement) will be assessed with the Engagement subscale of the User Version of the Mobile Application Rating Scale. Total scores range from 1 to 5 with higher scores indicating greater quality (engagement). |
User Version of the Mobile Application Rating Scale will be administered to the intervention group after 4 weeks (post) |
|
Other |
App quality (functionality) |
App quality (functionality) will be assessed with the Functionality subscale of the User Version of the Mobile Application Rating Scale. Total scores range from 1 to 5 with higher scores indicating greater quality (functionality). |
User Version of the Mobile Application Rating Scale will be administered to the intervention group after 4 weeks (post) |
|
Other |
App quality (aesthetics) |
App quality (aesthetics) will be assessed with the Aesthetics subscale of the User Version of the Mobile Application Rating Scale. Total scores range from 1 to 5 with higher scores indicating greater quality (aesthetics). |
User Version of the Mobile Application Rating Scale will be administered to the intervention group after 4 weeks (post) |
|
Other |
App quality (information) |
App quality (information) will be assessed with the Information subscale of the User Version of the Mobile Application Rating Scale. Total scores range from 1 to 5 with higher scores indicating greater quality (information). |
User Version of the Mobile Application Rating Scale will be administered to the intervention group after 4 weeks (post) |
|
Other |
App quality (subjective) |
App quality (subjective) will be assessed with the App Subjective Quality items of the User Version of the Mobile Application Rating Scale. Items will be assessed individually and as a total score (range from 1 to 5) with higher scores indicating greater quality (subjective). |
User Version of the Mobile Application Rating Scale will be administered to the intervention group after 4 weeks (post) |
|
Other |
App quality (perceived impact) |
App quality (perceived impact) will be assessed with the Perceived Impact subscale of the User Version of the Mobile Application Rating Scale. Items will be assessed individually and as a total score (range from 1 to 5) with higher scores indicating greater quality (perceived impact). |
User Version of the Mobile Application Rating Scale will be administered to the intervention group after 4 weeks (post) |
|
Other |
Service utilization |
Service utilization will be assessed with 5 items asking about frequency of healthcare services accessed over the prior 2 weeks. Response options are open-ended and will be analyzed individually and as a total score across service types. |
Service utilization measure will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Other |
Minimal Clinically Important Difference (MCID) |
On the Global Rating of Change (GRC), the smallest change in emotion regulation that participants identify as important after completing the trial will be used to calculate the MCID. The GRC is an 11-point Likert scale (ranging from -5 to +5; -5 very much worse, 0 unchanged, +5 very much better) used to indicate the degree to which emotion regulation changed for the better, for the worse, or no change after receiving the intervention. |
GRC will be administered to the intervention group after 2 weeks (mid) and 4 weeks (post) |
|
Primary |
Change in emotion regulation (overall) |
Emotion regulation will be assessed with the Difficulties in Emotion Regulation Scale - Short Form. Total scores range from 18 to 90 with higher scores indicating greater difficulties in emotion regulation. |
Difficulties in Emotion Regulation Scale - Short Form will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Primary |
Change in emotion regulation (strategies) |
Emotion regulation strategies will be assessed with the Difficulties in Emotion Regulation Scale - Short Form strategies subscale. Total scores range from 3 to 15 with higher scores indicating greater difficulties. |
Difficulties in Emotion Regulation Scale - Short Form will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Primary |
Change in emotion regulation (non-acceptance) |
Emotion regulation strategies will be assessed with the Difficulties in Emotion Regulation Scale - Short Form non-acceptance subscale. Total scores range from 3 to 15 with higher scores indicating greater difficulties. |
Difficulties in Emotion Regulation Scale - Short Form will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Primary |
Change in emotion regulation (impulse) |
Emotion regulation strategies will be assessed with the Difficulties in Emotion Regulation Scale - Short Form impulse subscale. Total scores range from 3 to 15 with higher scores indicating greater difficulties. |
Difficulties in Emotion Regulation Scale - Short Form will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Primary |
Change in emotion regulation (goals) |
Emotion regulation strategies will be assessed with the Difficulties in Emotion Regulation Scale - Short Form goals subscale. Total scores range from 3 to 15 with higher scores indicating greater difficulties. |
Difficulties in Emotion Regulation Scale - Short Form will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Primary |
Change in emotion regulation (awareness) |
Emotion regulation strategies will be assessed with the Difficulties in Emotion Regulation Scale - Short Form awareness subscale. Total scores range from 3 to 15 with higher scores indicating greater difficulties. |
Difficulties in Emotion Regulation Scale - Short Form will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Primary |
Change in emotion regulation (clarity) |
Emotion regulation strategies will be assessed with the Difficulties in Emotion Regulation Scale - Short Form clarity subscale. Total scores range from 3 to 15 with higher scores indicating greater difficulties. |
Difficulties in Emotion Regulation Scale - Short Form will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change in psychological distress |
Psychological distress will be assessed with the total score for all items on the Depression Anxiety and Stress Scale 21. Total scores range from 0 to 63 with higher scores indicating greater psychological distress. |
Depression Anxiety and Stress Scale 21 will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change in depressive symptoms |
Depressive symptoms will be assessed with the Depression subscale of the Depression Anxiety and Stress Scale 21. Total scores range from 0 to 21 with higher scores indicating greater depressive symptoms. |
Depression Anxiety and Stress Scale 21 will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change in anxious symptoms |
Anxious symptoms will be assessed with the Anxiety subscale of the Depression Anxiety and Stress Scale 21. Total scores range from 0 to 21 with higher scores indicating greater anxious symptoms. |
Depression Anxiety and Stress Scale 21 will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change in stress |
Stress will be assessed with the Stress subscale of the Depression Anxiety and Stress Scale 21. Total scores range from 0 to 21 with higher scores indicating greater stress. |
Depression Anxiety and Stress Scale 21 will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change is overall difficulties |
Overall difficulties will be assessed with the total score from the Strengths and Difficulties Questionnaire (all subscales except prosocial). Total scores range from 0 to 40 with higher scores indicating worse difficulties. |
Strengths and Difficulties Questionnaire will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change is emotional problems |
Emotional problems will be assessed with the Emotional Problems subscale from the Strengths and Difficulties Questionnaire. Total scores range from 0 to 10 with higher scores indicating worse emotional problems. |
Strengths and Difficulties Questionnaire will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change is conduct problems |
Conduct problems will be assessed with the Conduct Problems subscale from the Strengths and Difficulties Questionnaire. Total scores range from 0 to 10 with higher scores indicating worse conduct problems. |
Strengths and Difficulties Questionnaire will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change is hyperactivity |
Hyperactivity will be assessed with the Hyperactivity subscale from the Strengths and Difficulties Questionnaire. Total scores range from 0 to 10 with higher scores indicating worse hyperactivity. |
Strengths and Difficulties Questionnaire will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change is peer problems |
Peer problems will be assessed with the Peer Problems subscale from the Strengths and Difficulties Questionnaire. Total scores range from 0 to 10 with higher scores indicating worse peer problems. |
Strengths and Difficulties Questionnaire will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change is prosocial behaviour |
Prosocial behaviour will be assessed with the Prosocial subscale from the Strengths and Difficulties Questionnaire. Total scores range from 0 to 10 with higher scores indicating worse prosocial behaviours. |
Strengths and Difficulties Questionnaire will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|
Secondary |
Change in treatment readiness |
Treatment readiness will be assessed with the Treatment Readiness subscale of the Motivation for Youth's Treatment Scale. Total scores range from 4 to 20 with higher scores indicating greater readiness. |
Treatment Readiness subscale of the Motivation for Youth's Treatment Scale will be administered at baseline (pre), after 2 weeks (mid), and after 4 weeks (post) |
|