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Table 2 Measures for Cornerstone randomized trial

From: Cornerstone program for transition-age youth with serious mental illness: study protocol for a randomized controlled trial

Construct and dimension (corresponds with Fig. 1)

Instrument category and name

Psychometric properties

Timing

Mediating outcomes

 Image impressions stigma

Stigma subscale of the Inventory of Attitudes Toward Mental Health Services, IASMHS [52]

8-item, Likert scale 0 to 4; strong validity and reliability with youth (α = 0.83) [53, 54]

B, 3, 6, 9

 Behavioral beliefs mistrust

Group-Based Mistrust Scale [55]

12-item, Likert scale 1 to 5; strong validity; alpha = .91 [55]

B, 3, 6, 9

 Self-efficacy

Efficacy: Perceived Behavioral Control Measure [56]

7-item scale; strong internal consistency [Factor 1 ease, α = 0.78, Factor 2 control, α = 0.60)

B, 3, 6, 9

Outcomes

 Intention to engage services

Behavioral intention: utilized in decision-making (intend to attend therapeutic sessions as scheduled)

Standardized scales developed and tested over 20 years by Fishbein et al., Likert scale 1 to 5 [56]

B, 3, 6, 9

 Mental health service use

   

  Attendance

Behavioral outcome: group attendance sheets (standardized sheets)

Utilized in pilot study

Bi-weekly

  Adherence to services

Behavioral outcome: tracking system, youth self-report and clinician report:

Medication and appointments: “How often do you keep your appointments for this service?”

Strong face validity; utilized in studies of adherence of youth [57]

Responses: (0) all of the time (1) most of the time, (2) a moderate amount of the time, (3) sometimes (4) never or almost never.

B, 3, 6, 9

Mental health

 Recovery measure

Mental Health: Recovery Assessment Scale-Short Form [58]

Study of reliability of recovery measure [59]

B, 3, 6, 9

 Depression symptoms

Mental Health: Center for Epidemiological Studies Depression Scale (CES-D) [60]

20-item, high internal consistency and test-retest reliability, and validity [61]

B, 3, 6, 9

 Perceived stress

Mental Health Outcome: Global Measure of Perceived Stress [62]

14-item, Likert scale, 1 (never) to 5 (very often), reliability (0.75) [62]

B, 3, 6, 9

Mental Health in Action Outcomes – Each outcome includes a continuous measure of perceived importance

 Natural supports

Life outcomes items on presence of social support relationships

Example of the perceived importance measures [63]

“Do you have natural supports in your life?” [Interviewer reads list]

i.e., “How important is it to you to have natural supports in your life?”

B, 3, 6, 9

 Housing

Life outcomes items on housing, current residence [64]

Where are you currently living?

B, 3, 6, 9

 Young adult employment/education

Life outcomes current work and/or education, residential status

Items utilized in previous research with transition-age youth [64]

B, 3, 6, 9

 Social/community Inc.

Life outcomes social inclusion [65]

Life outcomes community integration [66]

How many times in the last 7 days have you …e.g., visited in person with a friend or friends?

B, 3, 6, 9

 Maintaining insurance

Life outcome maintaining health insurance

Do you currently have health insurance?

B, 3, 6, 9

Additional measures

 Cornerstone

 Fidelity

(1) Cornerstone session content items

6-items

6 mo. interview

 Implementation

 Checklist

The BSCM and RRM will be asked for this information via a checklist

Barriers: (1) time; (2) transportation and; (3) staffing.

Aim 3 interview

  1. BSCM boundary-spanning case manager, RRM recovery role model