International Breastfeeding Journal

Table 6 Analysis of variance assessing the SBS scale

From: Efficacy of a breastfeeding support education program for nurses and midwives: a randomized controlled trial

			SS	df	MS	F	P
SBS Scale Scores ^a	Within-group factor	Time Time×Program	1318.300 462.700	1.741 1.741	757.080 265.722	24.189 8.940	0.01 0.01
	*MSe* ^c		3161.000	100.995	31.299
	Between-group factor	Program	101.250	1	101.250	0.632	0.43
	*MSe*		9291.700	58	160.202
≤ 5 years ^b	Within-group factor	Time Time×Program	705.434 365.364	2 2	352.717 182.682	25.227 13.066	0.01 0.01
	*MSe*		475.373	34	13.982
	Between-group factor	Program	3.863	1	3.863	0.039	0.85
	*MSe*		1678.032	17	98.708
≥ 6 years ^b	Within-group factor	Time Time×Program	554.208 119.021	2 2	277.104 59.510	8.832 1.897	0.01 0.16
	*MSe*		2447.142	78	31.374
	Between-group factor	Program	305.005	1	305.005	1.755	0.19
	*MSe*		6776.295	39	173.751

SBS Self-efficacy of breastfeeding support, SS Social skills in nursing interactions with mothers, K-S Knowledge and skills necessary for breastfeeding support for LPIs, 5 or fewer years 5 or fewer years of maternity-ward experience, 6 or more years 6 or more years of maternity-ward experience, SS Sum of Squares, df degrees of freedom, MS Mean squares, F ANOVA test statistic, p p-value
^a Analysis of variance with Greenhouse‒Geisser
^b Analysis of variance with Mauchly’s sphericity test
^c Mean squares

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ISSN: 1746-4358

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