Table 1 Outcomes of the TEENS feasibility trial
Outcomes | Type of data |
|---|---|
Feasibility outcomes | |
Fraction of at least one completed clinical outcome (NSSI events) at end of the intervention | Proportion |
Fraction of participants to include and randomise | Proportion |
Fraction of compliance | Proportion |
Explorative primary clinical outcome | |
Frequency of non-suicidal self-injury Deliberate Self-Harm Inventory (DSHI-Y) [21] | Count; longitudinal |
Explorative secondary clinical outcomes | |
Quality of life Kidscreen-10 [22] | Continuous; longitudinal |
Symptoms of depression Depression Anxiety Stress Scale (DASS-21) [23] | Count; longitudinal |
Symptoms of anxiety Depression Anxiety Stress Scale (DASS-21) [23] | Count; longitudinal |
Symptoms of stress Depression Anxiety Stress Scale (DASS-21) [23] | Count; longitudinal |
Self-injury Yes/no | Discrete; once |
Sick days Proportion of sick days during the last month | Continuous; longitudinal |
Further explorative clinical outcomes | |
Difficulties in emotion regulation Difficulties in Emotion Regulation Scale (DERS-16) [24] | Continuous; longitudinal |
Indirect self-destructive behaviours Borderline Symptom List (BSL-supplement) + 1 item C-SSRS (ideations) | Count; longitudinal |
Suicidal ideations, plan, and actions Columbia (C-SSRS) [25] | a |
Distress reactions—adolescent rated parents’ ability to cope with children’s negative emotions. The Coping with Children’s Negative Emotions Scale (CCNES-APP) [26] | Continuous; once |
Punitive reactions—adolescent rated parents’ ability to cope with children’s negative emotions. The Coping with Children’s Negative Emotions Scale (CCNES-APP) [26] | Continuous; once |
Expressive encouragement—adolescent rated parents’ ability to cope with children’s negative emotions. The Coping with Children’s Negative Emotions Scale (CCNES-APP) [26] | Continuous; once |
Emotion-focused reactions—adolescent rated parents’ ability to cope with children’s negative emotions. The Coping with Children’s Negative Emotions Scale (CCNES-APP) [26] | Continuous; once |
Problem-focused reactions—adolescent rated parents’ ability to cope with children’s negative emotions. The Coping with Children’s Negative Emotions Scale (CCNES-APP) [26] | Continuous; once |
Minimization reactions—adolescent rated parents’ ability to cope with children’s negative emotions. The Coping with Children’s Negative Emotions Scale (CCNES-APP) [26] | Continuous; once |
Adverse events Negative Effects Questionnaire (NEQ) [27] | Continuous; once |