The association of breastfeeding self-efficacy with breastfeeding duration and exclusivity: longitudinal assessment of the predictive validity of the Greek version of the BSES-SF tool

Table 5 Receiver operating characteristics (ROC) analysis of breastfeeding continuation at 4th and 6th month as measured by the BSES-SF at 48 h and 1st month

	Breastfeeding at 4th month		Exclusive breastfeeding at 4th month^a		Breastfeeding at 6th month
	BSES at 48 h	BSES at 1st month	BSES at 48 h	BSES at 1st month	BSES at 48 h	BSES at 1st month
AUC (SE)	0.666 (0.035)	0.779 (0.030)	0.696 (0.042)	0.707 (0.045)	0.646 (0.036)	0.755 (0.032)
Optimal cut-off	3.40	3.96	3.96	3.96	3.40	3.96
Sensitivity (%)	70.3	79.7	63.9	91.7	73.0	81.0
Specificity (%)	58.8	63.7	70.0	44.8	55.3	56.1
Positive predictive value (%)	59.7	74.8	24.6	22.4	48.0	58.9
Negative predictive value (%)	68.5	71.3	93.1	97.4	79.0	79.6

^aThe number of mothers who breastfed exclusively at the 6th month was too small to allow meaningful estimation of the ROC model

ISSN: 1471-2393