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Auteur Nouf M. AlKusayer
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Determining Clinically Relevant Cutoff Scores for the Iowa Infant Feeding Attitude Scales Among Prenatal Women in Canada / Nouf M. AlKusayer in Journal of Human Lactation, Vol. 34, n°4 (Novembre 2018)
Titre : Determining Clinically Relevant Cutoff Scores for the Iowa Infant Feeding Attitude Scales Among Prenatal Women in Canada Type de document : texte imprimé Auteurs : Nouf M. AlKusayer, Auteur ; William K. Midodzi, Auteur ; Leigh Anne Newhook, Auteur Année de publication : 2018 Article en page(s) : pp. 691–698 Langues : Anglais (eng) Catégories : Alimentation
Attitude vis à vis de l'allaitement
Comportement et mécanisme comportemental
Nutrition de l'enfant
Nutrition du nourrisson
Pratique de l'allaitement
Promotion de la santé
Résumé : "Background:
The original 17-item Iowa Infant Feeding Attitude Scale (IIFAS) has been validated and widely used to assess attitudes toward breastfeeding. A reduced 13-item version of the IIFAS was recently validated in a Canadian setting. However, cutoff scores for categorization of infant feeding attitudes on both scales have not yet been established.
The aim of this study was to determine optimal cut-ff scores predicting infant feeding attitudes and outcomes for the original and reduced IIFASs.
A population-based prospective cohort study was undertaken in the Canadian province of Newfoundland and Labrador. A sample of 658 pregnant women were followed up to 1 month postpartum. The receiver operating curve and Youden index were assessed to identify the sensitivity and specificity of cutoff scores. The magnitude at which these scores predicted postpartum feeding outcomes was evaluated using linear regression.
Scores of ≤60 (sensitivity = 0.81, specificity = 0.87) and ≤45 (sensitivity = 0.84, specificity = 0.83) for the 17-item and 13-item IIFASs, respectively, were found to be optimal cutoff scores for predicting negative breastfeeding attitudes. The cutoff score for the reduced IIFAS version maintained its ability to predict women who formula-fed at 1 month postpartum (adjusted odds ratio = 6.32, 95% confidence interval = 1.84-11.61) compared with the original scale (adjusted odds ratio = 4.62, 95% confidence interval = 2.42-16.52).
The proposed cutoff scores for the original and reduced IIFASs have excellent predictive ability to determine infant feeding attitudes and outcomes. The classification of scores enhances the use and applicability of the IIFAS." [Résumé de l'auteur]
in Journal of Human Lactation > Vol. 34, n°4 (Novembre 2018) . - pp. 691–698[article]Psychometric Assessment and Precision Remodeling of the Iowa Infant Feeding Attitude Scale to Improve Clinical Use and Efficacy Among Prenatal Women in Canada / Nouf M. AlKusayer in Journal of Human Lactation, Vol. 34, n°1 (Février 2018)
Titre : Psychometric Assessment and Precision Remodeling of the Iowa Infant Feeding Attitude Scale to Improve Clinical Use and Efficacy Among Prenatal Women in Canada Type de document : texte imprimé Auteurs : Nouf M. AlKusayer, Auteur Année de publication : 2018 Article en page(s) : pp.20-29 Langues : Anglais (eng) Catégories : Attitude vis à vis de l'allaitement
Résumé : "Background:
The 17-item Iowa Infant Feeding Attitude Scale (IIFAS) has been widely used to assess maternal attitudes toward infant feeding and to predict breastfeeding intention. The IIFAS has been validated among prenatal women located in Newfoundland and Labrador in Canada, although its length may prove challenging to complete in a clinical setting.
The authors aimed to reduce the number of items from the original 17-item IIFAS scale while maintaining reliability and validity.
A nonexperimental cross-sectional design was used among 1,283 women in their third trimester residing in Newfoundland and Labrador. Data were collected from August 2011 to June 2016. An exploratory factor analysis using principal component analysis was performed to explore the underlying structure of the IIFAS. The internal consistency of both the 17-item and reduced version was assessed using Cronbach’s alpha and item-total correlation. The area under the curve and linear regression model were used to assess predictive validity of intention to breastfeed.
Our findings revealed that a 13-item IIFAS (Cronbach’s α = .870) had relatively similar internal consistency to the original IIFAS (Cronbach’s α = .868). Three themes were extracted from the factor analysis, resulting in the removal of four items. The reduced scale demonstrated an excellent ability to predict breastfeeding intention (area under the curve = 0.914).
The reduced 13-item version of the IIFAS is a psychometrically sound instrument that maintains its accuracy and validity when measuring maternal feeding attitudes during pregnancy and can be more time efficient in clinical settings compared with the 17-item IIFAS."[Resume de l'auteur]
in Journal of Human Lactation > Vol. 34, n°1 (Février 2018) . - pp.20-29[article]