Impacting Environmental and Public Health through the Use of Dual Targeted and Tailored Asthma Educational Interventions

Table 2

Changes in knowledge mean score before and after the healthy home training.

All questions combined	Mean	SD	value
Pretest score	12.18	1.71
Posttest score	13.42	0.96
Difference	−1.24	1.84	<0.001

Maximum = 14.