Hand in Hand: Feasibility of a Compassion-Focused App to Support Parents of Children With Mental Health Problems

The 9-item scale measures participants' engagement with the intervention, including integration into daily routines, perceived usefulness, motivation, enjoyment, self-insight, and perceived fit. Items are rated on a 5-point Likert scale (0=strongly disagree, 4=strongly agree), with 3 items assessing behavioral engagement, 3 assessing cognitive engagement, and 3 assessing affective engagement. Higher scores indicate greater engagement.

The 23-item scale measures parental burnout across four dimensions, including exhaustion in the parenting role, contrast with previous parental self, feelings of being fed up with parenting, and emotional distancing from one's child. Items are rated on a 5-point Likert scale (1=never, 5=always), with 9 items assessing exhaustion in the parenting role, 6 items assessing contrast with previous parental self, 5 items assessing feelings of being fed up with parenting, and 3 items assessing emotional distancing from one's child. Higher scores indicate greater parental burnout.

The digital scale measures the relative activation of the threat, drive, and soothing emotional regulation systems. Participants adjust the size of three circles to indicate perceived activation, with larger circles indicating greater activation of the respective system.

The 12-item Family subscale of the Family Empowerment Scale measures parents' confidence in supporting their child, managing family challenges, accessing support and information, understanding their child's difficulties, and effectively addressing parenting-related problems. Items are rated on a 5-point Likert scale (1=never, 5=very often). Higher scores indicate greater parental empowerment

The 12-item scale measures self-compassion across six components: self-kindness, self-judgment, common humanity, isolation, mindfulness, and over-identification. Items are rated on a 5-point Likert scale (1=almost never, 5=almost always). Higher scores indicate greater self-compassion.

The single-item scale, based on social identity theory, measures the extent to which parents have responded to their child with compassion, kindness, understanding, and support during difficult situations over the past 7 days. Participants rate this on a scale from 0 (not at all) to 100 (to a very high degree), with higher scores indicating greater compassionate parenting.

The 22-item scale measures self-critical and self-reassuring responses to setbacks, mistakes, and perceived inadequacies across three subscales: Inadequate Self, Hated Self, and Reassure Self. Items are rated on a 5-point Likert scale (0=not at all like me, 4=extremely like me), with higher scores indicating greater self-criticism and/or self-reassurance depending on the subscale.

The 8-item scale measures perceptions of being negatively judged, evaluated, or viewed by others (external shame). Items are rated on a 5-point Likert scale (0=never, 4=almost always), with higher scores indicating greater external shame.

The 16-item scale measures difficulties in understanding, accepting, and managing emotions, as well as difficulties maintaining goal-directed behavior and controlling impulses during emotional distress, including nonacceptance of negative emotions, inability to engage in goal-directed behaviors when distressed, difficulties controlling impulsive behaviors when distressed, limited access to emotion regulation strategies, and lack of emotional clarity. Items are rated on a 5-point Likert scale (1=almost never, 5=almost always), with higher scores indicating greater difficulties in emotion regulation.

The 9-item scale measures the frequency and severity of depressive symptoms experienced over the past two weeks. Items are rated on a 4-point Likert scale (0=not at all, 3=nearly every day), with higher scores indicating greater depressive symptom severity.

The 7-item scale measures the frequency and severity of anxiety symptoms experienced over the past two weeks. Items are rated on a 4-point Likert scale (0=not at all, 3=nearly every day), with higher scores indicating greater anxiety symptom severity.

The 3-item scale measures perceived social support, including the availability of close relationships, interest and concern from others, and access to practical help from neighbors. Each item has its own response categories, and the total score is the sum of the three items, with higher scores indicating greater perceived social support.

The scale measures health-related quality of life across five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension is rated on a 5-point scale (1=no problems, 5=extreme problems/unable to). The scale also includes a visual analogue scale (VAS) on which respondents rate their current health state from 0 (worst imaginable health state) to 100 (best imaginable health state).

The 25-item scale plus 5-item impact scale, completed by parents, measures children's emotional symptoms, conduct problems, hyperactivity/inattention, peer relationship problems, and prosocial behavior over the past six months, with 5 items per subscale. Items are rated on a 3-point Likert scale (0=not true, 1=somewhat true, 2=certainly true), with higher scores on the Total Difficulties Score indicating greater emotional and behavioral difficulties.

The 6-item scale measures adverse events following use of the intervention. Four items assess, using a yes/no format, whether participants experienced increased difficult emotions, distressing memories or thoughts, increased self-criticism or feelings of inadequacy, and reduced daily functioning. A fifth item assesses the perceived burden of these experiences on a 5-point scale (0=not at all, 4=extremely), and a sixth item assesses the extent to which participants attribute the experiences to the intervention (yes, partly, no, don't know). Higher scores and endorsement of adverse event items indicate greater negative effects associated with the intervention.