Development, psychometric assessment, and predictive validity of the comprehensive breastfeeding knowledge scale
Jennifer Abbass-Dick1, Amber Newport2, Denise Pattison1
1Ontario Tech University, 2000 Simcoe Street North, ON, L1G 0C5 Oshawa, Canada.
Midwifery
|February 5, 2020
Summary
A new Comprehensive Breastfeeding Knowledge Scale (CBKS) was developed and validated in expectant parents. This reliable scale can identify knowledge gaps and guide breastfeeding support interventions.
Area of Science:
- Maternal and Child Health
- Health Education
- Psychometrics
Background:
- Suboptimal breastfeeding rates persist despite recommendations.
- Maternal breastfeeding knowledge is a key factor influencing infant feeding behaviors.
- Validated tools are needed to assess breastfeeding knowledge for targeted interventions.
Purpose of the Study:
- To develop the Comprehensive Breastfeeding Knowledge Scale (CBKS).
- To psychometrically test the CBKS among expectant parents.
- To align the scale with Baby Friendly Hospital Initiative guidelines.
Main Methods:
- Developed a 28-item scale (CBKS) after literature review.
- Administered the CBKS to 217 Canadian expectant parents (women and coparents).
- Conducted psychometric analyses: EFA, internal consistency, concurrent, and predictive validity.
Main Results:
- Exploratory factor analysis identified three dimensions: managing milk supply, persisting through challenges, and correcting misconceptions.
- The CBKS demonstrated good internal consistency (alpha=0.83) and concurrent validity.
- Higher CBKS scores predicted exclusive breastfeeding at 4 and 12 weeks postpartum.
Conclusions:
- The CBKS is a preliminary valid and reliable measure of breastfeeding knowledge.
- The scale can identify individuals needing targeted breastfeeding support.
- The CBKS can inform individualized care and evaluate intervention effectiveness.
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