Article

Evaluation of the Psychometric Properties of the Pediatric Parenting Stress Inventory (PPSI)

Health Psychology (Impact Factor: 3.59). 04/2013; 33(2). DOI: 10.1037/a0032306
Source: PubMed

ABSTRACT

Objective:
This work evaluated the psychometric properties of the Pediatric Parenting Stress Inventory (PPSI), a new measure of problems and distress experienced by parents of children with chronic illnesses.

Method:
This secondary data analysis used baseline data from 1 sample of English-, Spanish-, and Hebrew-speaking mothers of children recently diagnosed with cancer (n = 449) and 1 sample of English- and Spanish-speaking mothers of children recently diagnosed with cancer (n = 399) who participated in 2 problem-solving skills training interventions. The PPSI was administered at baseline with other measures of maternal distress. Factor structure was evaluated using exploratory factor analysis (EFA) on the first sample and confirmatory factor analysis (CFA) on both samples. Internal consistency was evaluated using Cronbach's alpha. Construct validity was assessed via Spearman correlations with measures of maternal distress.

Results:
EFA resulted in a stable four-factor solution with 35 items. CFA indicated that the four-factor solution demonstrated reasonable fit in both samples. Internal consistency of the subscales and full scale was adequate to excellent. Construct validity was supported by moderate to strong correlations with measures of maternal distress, depression, and posttraumatic stress symptoms.

Conclusions:
The PPSI demonstrated good psychometric properties in assessing current problems and distress experienced by mothers of children newly diagnosed with cancer. This tool may be used to identify individualized targets for intervention in families of children with cancer. Future studies could evaluate the utility and psychometrics of the PPSI with other pediatric populations.

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