Quality of Life Research

, Volume 22, Issue 2, pp 393–402 | Cite as

Development of a short form of the Brazilian Parental-Caregiver Perceptions Questionnaire using exploratory and confirmatory factor analysis

  • Daniela Goursand
  • Meire C. Ferreira
  • Isabela A. Pordeus
  • Sueli A. Mingoti
  • Ricardo T. Veiga
  • Saul M. Paiva
Article

Abstract

Purpose

This study presents the Brazilian short form of the P-CPQ.

Methods

Data from a representative sample of 702 parents/caregivers of children were randomly divided in two subsamples. A development sample (n = 502) was used for exploratory factor analysis (EFA), and a validation sample (n = 200) was used for confirmatory factor analysis (CFA). The EFA was used to determine the hypothetical factor structure and internal consistency. The CFA was applied to test the factor structure of the original P-CPQ, alternative models and the validity and reliability of the Brazilian short form of the P-CPQ.

Results

A 3-factor model (alternative model 2) had a factor structure with high factor loadings, acceptable fit indices (χ2/df = 2.38; GFI = 0.90; CFI = 0.90; TLI = 0.87; AGFI = 0.85; SRMR = 0.07) and both convergent and discriminant validity (Pearson bivariate zero order correlations among factors <0.85).

Conclusions

The Brazilian P-CPQ with three subscales and 13 items appears to be a valid short version to be used in further studies to evaluate parents/caregivers’ perceptions of children’s oral health-related quality of life.

Keywords

Exploratory factor analysis Principal component analysis Confirmatory factor analysis Oral health Quality of life P-CPQ 

Abbreviations

P-CPQ

Parent-Caregiver Perceptions Questionnaire

EFA

Exploratory factor analysis

CFA

Confirmatory factor analysis

COHQOL

Child Oral Health Quality of Life Questionnaire

OS

Oral symptoms

FL

Functional limitations

EWB

Emotional wellbeing

SWB

Social wellbeing

PCA

Principal components analysis

KMO

Kaiser–Meyer–Olkin

ML

Maximum likelihood

χ2

Chi-square

df

Degrees of freedom

GFI

Goodness-of-fit index

CFI

Comparative fit index

TLI

Tucker-Lewis index

AGFI

Adjusted goodness-of-fit index

SRMR

Standardized root mean square residual

CR

Composite reliability

WB

Wellbeing

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Daniela Goursand
    • 1
  • Meire C. Ferreira
    • 1
  • Isabela A. Pordeus
    • 1
  • Sueli A. Mingoti
    • 2
  • Ricardo T. Veiga
    • 3
  • Saul M. Paiva
    • 1
  1. 1.Department of Pediatric Dentistry and Orthodontics, School of DentistryFederal University of Minas GeraisBelo HorizonteBrazil
  2. 2.Department of Statistics, Institute of Exact SciencesFederal University of Minas GeraisBelo HorizonteBrazil
  3. 3.Department of Administrative Sciences, School of Economic SciencesFederal University of Minas GeraisBelo HorizonteBrazil

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