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. 2016 Oct 26;16(4):195–199.

Table 1. Comparison of TPB Variables before and after the educational intervention in the intervention (n=94) and the control group (n=90) .

Variables Intervention group Control group P value
Mean SD Mean SD
Attitude
Before 9.33 1.87 9.37 1.57 0.884
After 10.61 1.57 1.89 9.67 0.001
P value 0.001 0.210
Subjective norms
Before 11.54 0.76 10.13 3.03 0.383
After 12.71 4.21 10.83 51.10 0.001
P value 0.001 0.530
Perceived behavioral control
Before 18.57 2.45 19.04 2.13 0.168
After 19.95 1.15 19.37 2.23 0.029
P value 0.002 0.260
Behavioral intention
Before 8.08 2.31 8.34 1.68 0.236
After 9.17 2.79 8.43 1.73 0.032
P value 0.006 0.140