Validity, internal consistency reliability and one-year stability of the Slovene translation of the Measure of Processes of Care (20-item version)


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Abstract

BackgroundThe Measure of Processes of Care (MPOC) was developed as a self-administered questionnaire for parents to report on behaviours of healthcare providers. The original (MPOC-56) and the 20-item version (MPOC-20) have established reliability and validity, but the instrument must be rechecked whenever translated and applied in a different social and cultural setting. The aim of our study was to evaluate validity, internal consistency reliability and 1-year stability of the Slovene translation of MPOC-20.MethodsParents of children who were admitted as inpatients or outpatients of several hospitals and health centres were invited to participate. MPOC-20, the Client Satisfaction Questionnaire (CSQ-8) and a separate question on stress and worries were sent by mail. Descriptive item analysis was performed. Cronbach's alpha coefficient and corrected item-total correlations were used to assess internal consistency for each of the five MPOC-20 subscales. To evaluate validity, we correlated the MPOC-20 subscale scores with CSQ-8 scores and a stress alleviation rating. Assessment with MPOC-20 was performed again 1 year later and we used paired-samples tests to compare mean scores of both assessments.ResultsParents of 235 children participated in the study (80% mothers). They reported high general satisfaction as 15 out of the 20 MPOC-20 mean item scores were above 5 (out of 7) and none was below 4. The mean MPOC-20 mean subscale scores were 5.83 (SD 1.10) for Coordinated and Comprehensive Care for Child and Family, 5.62 (SD 1.12) for Respectful and Supportive Care, 5.45 (SD 1.23) for Enabling and Partnership, 5.33 (SD 1.61) for Providing Specific Information about the Child and 4.59 (SD 1.65) for Providing General Information. The ranking order of the mean rating of the MPOC-20 subscales was similar to previous studies. The parents reported that they felt their stress and worries had been notably or slightly reduced through the process of care in the last year in more than two-thirds of the cases. All the MPOC-20 subscales (as well as the CSQ-8 scale) showed high internal consistency: the corrected item-total correlations were far above the lower limit for item's acceptance of 0.3. After 1 year (66 returned questionnaires) none of the mean subscale scores changed statistically significantly (P-values 0.159–0.910).ConclusionThe Slovene translation of the MPOC-20 can be considered as a valid and reliable instrument that shows good stability over a period of 1 year, and as such it can be adopted in clinical practice.

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