TABLE 2.

Summary of scales and algorithms in interRAI child/youth mental health instruments.

interRAI scale	Domain	Type of scale	Scale components	Range	Included in
Activities of Daily Living Scale	Basic physical function	Parallel form Sum of items	Bathing; Personal hygiene; Dressing upper body; Dressing lower body	0–8	ChYMH, ChYMH-DD, EDU, YJCF
Anxiety Scale	Frequency and intensity of anxiety symptoms	Parallel form Sum of items	Repetitive anxious concerns; Unrealistic fears; Obsessive thoughts; Intrusive thoughts or flashbacks; Episodes of panic; Hypervigilance; Nightmares	0–28	ChYMH, ChYMH-DD, ChYMH-S, EDU, YJCF
Autism Spectrum Screening Checklist (ASSC)	Frequency and intensity of symptoms related to autism	Parallel form Sum of items	Narrowly restricted range of interest; Excessive preoccupation with activity or routine; Lack of social/emotional conventions when socializing; Excessive or unusual reaction to sensory stimuli; Difficulty adapting to even minor change	0–5	ChYMH, ChYMH-DD, ChYMH-S interRAI Early Years, EDU, YJCF
Caregiver Distress Algorithm (iCCareD)	Degree and diversity of caregiver distress factors	Decision Tree	Proactive aggression; Reactive aggression; Parenting strengths scale; Disruptive/aggressive behavior scale; Aggressive behavior scale; Family functioning composite score	1–5	ChYMH, ChYMH-DD, EDU, YJCF
Children’s Algorithm for Mental Health and Psychiatric Services (ChaMhPS)	Level of urgency and need for a full comprehensive assessment	Decision tree	Intent to quit school; Intrusive thoughts; Nightmares; Hyperactivity; Lack of interest in social interaction; Lack of motivation; Negative statements; Guilt or shame; Being socially inappropriate; Risk of family/placement breakdown; Considered self-injury; Others concerned about self-injury; Violence to others; Danger to self; Danger to others; Being a victim of emotional abuse	0–6	ChYMH-S Please note: A score of 3+ on the ChaMhPS indicates a full assessment is required due to case complexity and need for individualized care planning.
Child and Youth Resource Index (ChYRI)	Case-mix classification system to inform resource allocation	Decision tree	Age; Supportive relationship with family; Fine motor skills; Violence to others; Bladder continence; History of foster family placement; Maternal substance use during pregnancy	3-to-1 range	ChYMH-DD, EDU, YJCF
Communication Scale	Level of expressive and receptive communication	Parallel form Sum of items	Making self-understood; Ability to understand others	0–8	ChYMH, ChYMH-DD, EDU, YJCF
Disruptive/Aggressive Behavior Scale	Frequency and severity of aggressive and disruptive behavior	Parallel form Sum of items	Verbal abuse; Physical abuse; Socially inappropriate/disruptive; Destructive behavior toward property; Outbursts of anger	0–20	ChYMH, ChYMH-DD, EDU, YJCF, ESP-CY
Depressive Severity Index	Severity of depressive indicators	Parallel form Sum of items	Sad facial expressions; Negative statements; Self-deprecation; Guilt or shame; Hopelessness	0–15	ChYMH, ChYMH-DD, ChYMH-S, EDU, YJCF, ESP-CY
Externalizing Scale	Frequency of externalizing symptoms (i.e., behavioral disturbance); consists of 2 factors- proactive aggression and reactive aggression	Parallel form Sum of items	Proactive Aggression Factor: Stealing; Elopement attempts/threats; Bullying peers; Preoccupation of violence; Violence to others; Intimidation of others or threatened violence; Violent ideation Reactive Aggression Factor: Impulsivity; Physical abuse; Outburst of anger; Defiant behavior; Argumentativeness	0–12	ChYMH, ChYMH-DD, EDU, YJCF
Hyperactive/Distraction Scale	Frequency of hyperactivity and distractibility behaviors	Parallel form Sum of items	Impulsivity; Distractibility; Hyperactivity; Disorganization	0–16	ChYMH, ChYMH-DD, ChYMH-S, EDU, YJCF, ESP-CY
Instrumental Activities of Daily Living (Capacity and Performance)	Higher level physical functioning	Parallel form Sum of items	Ordinary housework; Phone use; Use of technology; School tasks; Orientation in familiar environment; Stairs; Meal preparation; Managing finances; Managing medications; Shopping; Transportation	0–66	ChYMH, ChYMH-DD, EDU, YJCF
Internalizing Scale	Frequency and severity of internalizing symptoms; consists of 3 factors- anhedonia, anxiety, and depression	Parallel form Sum of items	Anxiety Factor: Repetitive anxious complaints/concerns; Hypervigilance; Unrealistic fears; Episodes of Panic Anhedonia Factor: Lack of motivation; Anhedonia; Withdrawal from activities of interest; Decreased energy Depression Factor: Made negative statements; Self-deprecation; Expressions of guilt/shame; Expressions of hopelessness	0–48	ChYMH, ChYMH-DD, EDU, YJCF
Pain Scale	Frequency and intensity of pain	Parallel form Sum of items	Pain frequency; Pain intensity	0–4	ChYMH, ChYMH-DD, EDU, YJCF
Parenting Strengths Scale	Degree of strengths that the parent is demonstrating in parenting activities	Parallel form Sum of items	Communicate effectively with child/youth; Assists child/youth with the regulation of emotions; Uses appropriate disciplinary practices; Demonstrates warmth and support; Appropriate supervision and monitoring; Appropriate limit setting or expectations	0–12	ChYMH, ChYMH-DD, interRAI Early Years, EDU, YJCF
Peer Conflict Scale	Level of conflict with friends	Parallel form Sum of items	Conflict with or repeated criticism of close friends; Friends are persistently hostile or critical of child/youth; Pervasive conflict with peers (exclude close friends)	0–3	ChYMH, ChYMH-DD, EDU, YJCF
Positive Symptoms Scale	Frequency of positive symptoms of psychosis	Parallel form Sum of items	Hallucinations; Command hallucinations; Delusions; Abnormal though process	0–12	ChYMH, ChYMH-DD, ChYMH-S, EDU, YJCF, ESP-CY
Resource Intensity for Children and Youth Algorithm (RIChY)	Intensity and nature of service needs	Decision tree	Intimidation of others or threatened violence; Destructive behavior toward property; Conflict/repeated criticism of close friends; Friends persistently hostile; Bullying peers or conflict with peers; Family Functioning Scale; Victim of crime; Victim of sexual assault; Victim of physical assault; Victim of bullying; Victim of emotional abuse; Witnessed domestic violence; Constipation; Seizures; Dry mouth; Hypersalivation; Dyspnea; Akathisia; Dyskinesia; Tremor; Bradykinesia; Rigidity; Dystonia; Slow shuffling gait; Other emergent conditions; Parenting Strengths Scale; Difficulty falling asleep; Anxiety Scale; Self-Harm CAP; Harm to Others CAP	0–5	ChYMH, ChYMH-DD, EDU, YJCF
Risk of Injury to Others (RIO)	Injury to others	Decision tree	Physical abuse; Violence to others; Threatened violence; Violent ideation; Destructive behavior; Verbal abuse; Socially inappropriate behavior; Impulsivity; Family overwhelmed	0–6	ChYMH, ChYMH-DD, EDU, YJCF
Risk of Suicide and Self Harm in Kids (RiSsK)	Suicide and self-harm	Decision tree	Intent to kill self; Considered self-injury; Attempted self-injury; Others concerned about self-injury; Self-injurious behavior; Family overwhelmed; Depression Symptoms Scale	0–6	ChYMH, ChYMH-DD, EDU, YJCF
School Disengagement Scale	Intensity of school disengagement	Parallel form Sum of items	Increase in lateness or absenteeism; Poor productivity or disruptiveness at school; Expresses intent to quit school; Conflict with school staff; Strong, persistent dissatisfaction with school; Child/youth refuses to attend school; Child/youth removed due to disruptive behavior; Overall academic performance	0–8	ChYMH, ChYMH-DD, EDU, YJCF
Social Disengagement Scale	Frequency of symptoms related to anhedonia	Parallel form Sum of items	Anhedonia; Withdrawal from activities of interest; Lack of motivation; Lack of interest in social interaction	0–16	ChYMH, ChYMH-DD, ChYMH-S, EDU, YJCF, ESP-CY
Sleep Difficulties Scale	Frequency of symptoms related to sleep difficulties	Parallel form Sum of items	Difficulty falling asleep or staying asleep; Wakes multiple times at night; Falls asleep during the day (exclude naptime); Resists bedtime	0–16	ChYMH, ChYMH-DD, EDU, YJCF