Nutrition Education Improves Knowledge of Iron and Iron-Rich Food Intake Practices among Young Adolescents: A Nonrandomized Controlled Trial

Table 5

Knowledge and iron-rich food intake scores within the study groups.

Variable		Control group			Intervention group
			MD	value		MD	value
Knowledge score
Preintervention	50		2.7	<0.001		4.6	<0.001
Postintervention	50
Food intake score
Preintervention	68		0.1	0.816		0.2	0.240
Postintervention	68

Frequency (percentage); mean (M) and standard deviation (SD); mean difference (MD); value is significant at <0.05. Paired -test.