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

Table 9 Repeated-measures analysis of variance: unpaired/paired)

	Main effects		Interaction	Multiple comparisons (Time/Program)
	Time	Program	Time×Program	Corrected p
SBS	*		*	Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01)
SBS ≤ 5 y	*		*	Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01)
SBS ≥ 6y	*			Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01)
SS	*		*	Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01)
SS ≤ 5 y	*		*	Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01)
SS ≥ 6y	*			Time BSLPI: Pre < Post (p = 0.04); BSLPI: Pre < 1 M (p = 0.01)
K-S	*	*	*	Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01) Program Post: BSLPI > NTS (p = 0.01); Post 1 M: BSLPI > NTS (p = 0.01)
K-S ≤ 5 y	*	*	*	Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01) Program Post: BSLPI > NTS (p = 0.01); Post 1 M: BSLPI > NTS (p = 0.01)
K-S ≥ 6y	*	*	*	Time BSLPI: Pre < Post (p = 0.01); BSLPI: Pre < 1 M (p = 0.01) Program Post: BSLPI > NTS (p = 0.01); Post 1 M: BSLPI > NTS (p = 0.01)

Multiple comparisons of time factors (Bonferroni correction)
Multiple comparisons of program factors (Bonferroni correction)
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, SBS High scores indicate a high sense of self-efficacy in breastfeeding support, SS High scores indicate the use of more verbal and non-verbal social skills, K-S High scores indicate better knowledge and skills, 5 years Five or fewer years of maternity-ward experience, 6 or more years Six or more years of maternity-ward experience. BSLPI group (n = 32): 13 < 5 years, 19 ≥ 5 years. NTS group (n = 31): 8 < 5 years, 23 ≥ 5 years; p p-value

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