Sahbaz, Sumeyra; Cox, Ronald B.; Lin, Hua; Washburn, Isaac J.; Greder, Kimberly A. (2022). PROMIS Pediatric Psychological Stress Measure: Validity for immigrant Latino youth. Family Relations, 72 (3), pp. 719-733. 10.1111/fare.12652

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Objective: This study assesses the psychometric properties of the four- and eight-item versions of the Patient-Reported Outcomes Measurement Information System (PROMIS) Pediatric Psychological Stress Measure (PPSM) for use with Latino immigrant adolescents.
Background: Immigrant Latino youth are exposed to numerous stressors that can have consequences affecting health well into adulthood. However, few studies have assessed the suitability of psychosocial measures for this group.
Methods: Participants included 286 first- and secondgeneration immigrant Latino youth in middle school in an urban school district in the United States. Analyses included tests for reliability, validity, item characteristics, and measurement invariance across differing levels of acculturation and gender groups.
Results: Both the four- and the eight-item PPSM are internally consistent, have strong construct validity, and strict factorial invariance across differing levels of acculturation. The four-item PPSM demonstrates strict invariance, but the eight-item version shows only configural invariance by gender.
Conclusion: The PPSM is a rigorous measure when assessing immigrant Latino youth stress level. The fouritem PPSM is brief, simple to administer, and appropriate for use with Latino youth across differing levels of acculturation and gender groups.
Implications: The four-item PPSM lessens respondent fatigue and may be incorporated into tools practitioners and researchers use to assess perceived stress among immigrant Latino youth.

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