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Psychometrics of the modified Family-Centered Care Assessment short version for childhood obesity
Meg Simione1, Paola Ferreira1, Man Luo1
1Mass General for Children.
Insights
A shortened version of the modified Family Centered Care Assessment (mFCCA) scale was developed to evaluate family-centered care in pediatric weight management. This new 8-item scale demonstrates good psychometrics and reduces participant burden.
Area of Science:
- Pediatric health
- Obesity interventions
- Psychometrics
Background:
- Family-centered care enhances pediatric weight management effectiveness and reduces attrition.
- Reliable and valid scales are crucial for assessing family-centeredness in interventions.
- The modified Family Centered Care Assessment (mFCCA) measures family-centeredness in childhood obesity interventions.
Purpose of the Study:
- To develop a shortened version of the mFCCA scale.
- To evaluate the psychometric properties of the shortened mFCCA scale.
Main Methods:
- The mFCCA was administered to 318 parents in the Connect for Health trial.
- Item reduction and Rasch modeling were used to refine the scale.
- Exploratory factor analysis confirmed a single-factor structure.
Main Results:
- The shortened mFCCA scale consists of 8 items, reduced from 24.
- Rasch modeling indicated acceptable internal consistency (0.7).
- The scale demonstrated strong validity with good overall model fit.
Conclusions:
- The mFCCA short version possesses favorable psychometric properties.
- This validated scale can effectively assess family-centeredness in pediatric obesity interventions.
- Reduced participant burden with the short version may improve intervention outcomes for children with obesity.
Background:
Incorporating principles of family-centered care into pediatric weight management interventions can improve the effectiveness and quality of treatment and reduce attrition rates. To assess the family-centeredness of interventions, reliable, valid, and easy-to-administer scales are needed. The purpose of the study was to develop a shortened version of the modifed Family Centered Care Assessment (mFCCA) and assess its psychometric properties.
Methods:
The mFCCA, a scale to assess the family-centeredness of interventions for childhood obesity, was administered to families following the Connect for Health randomized control trial evaluating the effectiveness of a primary care-based pediatric weight management intervention. We iteratively removed items from the mFCCA and used Rasch modeling to examine the reliability and validity of the shortened scale.
Results:
We included data from 318 parents and the exploratory factor analysis showed the presence of a single factor. The results of the Rasch modeling demonstrated acceptable internal consistency of the scale (0.7) and strong validity as evidenced by the overall model fit and range of item difficulty. Following the psychometric analyses, we reduced the number of items from 24 to 8 items.
Conclusions:
The mFCCA short version demonstrates good psychometrics and can be used to evaluate the family-centeredness of childhood obesity interventions with reduced participant burden, thereby improving outcomes for children with obesity.
Trial Registration:
Clinicaltrials.gov NCT02124460 registered on April 24, 2014.
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