Table 1. Assessment of knowledge before and after application of the interventions. Fortaleza, CE, Brazil, 2014.

Intervention		Groups			P 1 *
		Behavioural		Educational
		n	%	n	%
Before						0.451
	Inappropriate	176	67.2	184	70.2%
	Appropriate	86	32.8	78	29.8%
After						0.497
	Inappropriate	113	64.6	92	60.9%
	Appropriate	62	35.4	59	39.1%
p 2 )†		0.056		0.0283

*P ^{1 )} = Chi-square test; ^†p ^{2 )} = McNemar test