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Submitted
June 21, 2016
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June 21, 2016
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Abstract
Objective: to verify the psychometric properties of the Personal Wellbeing Index (PWI) in people with chronic kidney disease on hemodialysis.
Method: This is a methodological study. A random sample consisted of 171 people with Chronic Kidney Disease (CKD) who underwent hemodialysis in two clinics in the region of Lisbon, Portugal. Data collection was conducted from May to June 2015. The psychometric properties were evaluated: Validity (construct, convergent predictive and discriminative), reliability through internal consistency (Cronbach a) and stability (Spearman-Brown correlation coefficient and intraclass correlation coefficient (ICC)).
Results: PWI has a dimension adjusted to the data set. Satisfaction with health is the largest contributor to the PWI. It shows convergent validity with Subjective Happiness and Positive Affect and Negative Affect. It has discriminative power of nationality. The Cronbach a was 0,82. Retest test for the questionnaire 0, 92 and ICC = 0,95, for the interview 0,85 and ICC = 0,89.
Conclusions: The Portuguese version of PWI is valid and reproducible in people with CKD, both by questionnaire and by interview.
Method: This is a methodological study. A random sample consisted of 171 people with Chronic Kidney Disease (CKD) who underwent hemodialysis in two clinics in the region of Lisbon, Portugal. Data collection was conducted from May to June 2015. The psychometric properties were evaluated: Validity (construct, convergent predictive and discriminative), reliability through internal consistency (Cronbach a) and stability (Spearman-Brown correlation coefficient and intraclass correlation coefficient (ICC)).
Results: PWI has a dimension adjusted to the data set. Satisfaction with health is the largest contributor to the PWI. It shows convergent validity with Subjective Happiness and Positive Affect and Negative Affect. It has discriminative power of nationality. The Cronbach a was 0,82. Retest test for the questionnaire 0, 92 and ICC = 0,95, for the interview 0,85 and ICC = 0,89.
Conclusions: The Portuguese version of PWI is valid and reproducible in people with CKD, both by questionnaire and by interview.
Keywords
Renal Insufficiency
Chronic; Renal Dialysis; Quality of Life; Validation studies; Psychometrics
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How to Cite
1.
Mota de Sousa LM, Alves Marques-Vieira CM, Pedro Severino SS, Pozo Rosado JL, Guerreiro José HM. Validation of the Personal Wellbeing Index in people with chronic kidney disease. Enferm Nefrol [Internet]. 2016 [cited 2025 Apr 30];19(2):[about 7 p.]. Available from: https://www.enfermerianefrologica.com/revista/article/view/4112
