Table 3 Comparing of mean and standard deviation of PRECEDE model structures in the experimental and control group before and after intervention

Knowledge

Experimental

0.4 ± 0.2

0.8 ± 0.1

 < 0.001

Control

0.52 ± 0.16

0.53 ± 0.14

0.443

*P value

0.469

< 0.001

Attitude

Experimental

4 ± 0.6

4.5 ± 0.3

 < 0.001

Control

4 ± .06

3.8 ± 0.5

0.014

*P value

0.831

0.001

Enabling factors

Experimental

0.7 ± 0.2

0.8 ± 0.1

 < 0.001

Control

0.77 ± 0.15

0.77 ± 0.14

0.439

P value

0.444

0.007

Reinforcing factors

Experimental

3.3 ± 0.8

3.9 ± 0.7

 < 0.001

Control

3.5 ± 0.8

3.4 ± 0.7

0.430

P value

0.265

0.006

Otitis media preventive behaviors

Experimental

3.2 ± 0.5

3.6 ± 0.2

 < 0.001

Control

3.4 ± 0.6

3.4 ± 0.5

0.153

P value

0.007

0.032