Validity and reliability of breastfeeding advice and coping with breastfeeding instruments
Purpose:
To pilot two instruments: Breastfeeding Advice and Coping with Breastfeeding in NICU settings.
Design:
Psychometric testing of the Breastfeeding Advice and Coping with Breastfeeding instruments.
Sample:
Mothers (N = 47) with singleton or twin preterm (≤36 + 6 gestation weeks) infant(s) (N = 55) at discharge collected from seven NICUs in Finland.
Main Outcome Variables:
The validity and reliability of two instruments: Breastfeeding Advice measuring the quality of breastfeeding counseling and Coping with Breastfeeding measuring the mothers' experienced ability to cope with breastfeeding issues.
Results:
Infants' mean gestation age was 32.5 weeks at birth. The items of the instruments were supported by previous studies, demonstrating content validity. There was a significant correlation (r = .72, p < .001) between Breastfeeding Advice and Coping with Breastfeeding, indicating constructor validity. Evidence for predictive validity was not found. Good reliability for internal consistency of the Breastfeeding Advice (Cronbach's α = .86) and Coping with Breastfeeding (Cronbach's α = .85) was found.
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