Cross-cultural French adaptation and validation of the Impact On Family Scale (IOFS)

Health and Quality of Life Outcomes

Michel Velten¹  Anne Danion-Grilliat²  Elvire Quentel⁶  Bruno Grollemund³  Jérémie Jégu⁴  Raphaël Boudas⁵ 

[1] Department of Epidemiology and Biostatistics, Paul Strauss Comprehensive Cancer Center, 3 rue de la porte de l’hôpital, Strasbourg 67000, France;Service Psychothérapique pour Enfants et Adolescents, Hôpitaux Civils, Hôpitaux Universitaires de Strasbourg, Place de l’Hôpital 1, Strasbourg 67000, France;Laboratoire éthique et pratiques médicales, IRIST EA 3424, Université de Strasbourg, Rue de l’Université 7, Strasbourg, France;Department of Public Health, University Hospital of Strasbourg, 1 Place de l’Hôpital, Strasbourg 67000, France;Department of Epidemiology and Public Health, EA 3430, Faculty of Medicine, University of Strasbourg, 4 rue Kirschleger, Strasbourg 67000, France;Orthodontic Department, Faculty of dentistry, University of Strasbourg, 1 Place de l’Hôpital, Strasbourg, France

关键词: Validation studies;    Cleft palate;    Cleft lip;    Child;    Family;    Quality of life;   

Others  :  823769
DOI  :  10.1186/1477-7525-11-67

 received in 2012-11-12, accepted in 2013-04-11,  发布年份 2013

【 摘 要 】

Background

The IOFS (Impact On Family Scale) questionnaire is a useful instrument to assess the impact of chronic childhood conditions on general family quality of life. As this instrument was not validated in French, we proposed to translate, adapt and validate the IOFS questionnaire for clinical and research use in French-speaking populations.

Findings

The sample studied comprised French-speaking parents with a child presenting a cleft lip or cleft lip and palate, aged 6 to 12 years and treated in the University Hospital of Strasbourg, France. The 15-item version of the IOFS was translated into French and then sent to the parents by post. The structure of the measure was studied using Exploratory Factor Analysis (EFA), internal consistency was assessed using Cronbach’s alpha coefficient and test-retest reliability was studied by calculating the Intraclass Correlation Coefficient (ICC).

A total of 209 parents answered the questionnaire. Its acceptability was good, with 67.9% of mothers and 59.9% of fathers answering the questionnaire. EFA identified one main factor that explained 77% of the variance. Internal consistency was good, with a Cronbach’s alpha of 0.93. Finally, the ICC values were 0.77 (95% confidence interval 0.66–0.85) and 0.87 (95% confidence interval 0.80–0.92) for inter- and intra-observer reliability respectively.

Conclusions

The French version of the IOFS questionnaire exhibited very good psychometric properties. For practitioners, this instrument will facilitate the assessment of the impact of chronic childhood conditions on quality of life among French-speaking families.

【 授权许可】

   
2013 Boudas et al.; licensee BioMed Central Ltd.

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