Cross-cultural adaptation and validation of the Impact of Fixed Appliances Measure questionnaire in Brazil
Braz. oral res. (Online)
;
32: e14, 2018. tab, graf
Article
in English
| LILACS
| ID: biblio-889481
ABSTRACT
Abstract The aim of this study was to translate and cross-culturally adapt the condition-specific instrument Impact of Fixed Appliances Measure (IFAM), assessing its validity and reliability for use among Brazilian children/adolescents. The IFAM was translated, back-translated, cross-culturally adapted, and pilot-tested. The Brazilian version of the IFAM (B-IFAM) was tested on 161 10-to-18-year-old children/adolescents. Internal consistency was assessed using Cronbach's alpha (α) and test-retest reliability by intraclass correlation coefficients (ICC). Construct validity was conducted using Pearson correlation among the overall and subscales of the B-IFAM. Discriminant validity was evaluated by comparisons of B-IFAM's means and SD with children's/adolescents' sex (Student t-test). Internal consistency was 0.89 for overall score and 0.55-0.86 for subscales. ICC for test-retest reliability was 0.81 for overall score and 0.55-0.78 for subscales. The overall score of the B-IFAM presented large correlation coefficients with most subscales (r = 0.52-0.74), supporting construct validity. Discriminant validity demonstrated statistically significant difference in the overall score, aesthetics, and physical impact subscales among female and male children's/adolescents' (p < 0.05). In the conclusion, the B-IFAM overall score and some subscales demonstrated adequate psychometric properties regarding reliability and validity. The study achieved a specific-condition instrument feasible for use on Brazilian children/adolescents who wear fixed orthodontic appliances.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Orthodontic Appliances
/
Quality of Life
/
Translations
/
Cross-Cultural Comparison
/
Oral Health
/
Surveys and Questionnaires
Type of study:
Evaluation studies
Limits:
Adolescent
/
Child
/
Female
/
Humans
/
Male
Country/Region as subject:
South America
/
Brazil
Language:
English
Journal:
Braz. oral res. (Online)
Journal subject:
Dentistry
Year:
2018
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade Federal de Minas Gerais - UFMG/BR
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