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Family Impact Scale (FIS): psychometric properties of the Brazilian Portuguese language version

Type:  Articles

Pubblication date:  /3/2009

Authors:  D. Goursand, S.M. Paiva. P.M. Zarzar, I.A. Pordeus, P.J. Allison

Language:  English

Institution:  Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil

Publication:  European Journal of Paediatric Dentistry

Publisher:  Ariesdue Srl

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Email:  [email protected]

Title:  Family Impact Scale (FIS): psychometric properties of the Brazilian Portuguese language version

Abstract:  Aim Evaluate the psychometric properties of the Brazilian version of the Family Impact Scale (FIS). Methods Following translation and cross-cultural adaptation, the FIS was tested on 123 parents-caregivers of children between 11 and 14 years of age with dental caries and malocclusions. The parents were recruited from the Paediatric Dental and Orthodontic clinics where their children were receiving dental care. Psychometric properties were assessed through internal consistency, test-retest reliability, construct validity and discriminant validity. Results The mean FIS score was 6.97 (SD 7.81) for the dental caries group and 7.25 (SD 7.70) for the malocclusion group. The FIS score was unable to discriminate different family impact caused by children’s oral health conditions. Internal consistency was confirmed by a Cronbach’s alpha coefficient of 0.79. Test-retest reliability revealed good reproducibility (ICC 0.83). Construct validity was good, demonstrating highly significant correlations between parent’s perceptions regarding the overall wellbeing indicator for their children and the total FIS and subscales. Financial burden demonstrated no significant correlation with global indicators. Conclusions Overall psychometric results for the Brazilian version of the FIS confirm it as a reliable, valid questionnaire for assessing the family impact caused by children’s oral conditions.

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