Educational Intervention of Intention Change for Consumption of Junk Food among School Adolescents in Birgunj Metropolitan City, Nepal, Based on Theory of Planned Behaviors

Table 3

Level of construct before and after intervention and comparing the mean score of construct of TPB before and after intervention.

Construct of TPB
	Pretest n (%)	Posttest n (%)	Pre t-test; Mean CSD	Post t-test; Mean ± SD	value
Attitude			11.9 ± 1.5	16.3 ± 1.6	<0.0001
Positive (≤mean)	79 (28.8%)	142 (51.8%)
Negative (>mean)	195 (71.2%)	132 (48.2%)
Subjective norm			11.1 ± 1.3	14.3 ± 1.4	<0.0001
Positive (≤mean)	146 (53.3%)	181 (66.1%)
Negative (>mean)	128 (46.7%)	93 (33.9%)
Perceived behavioral control			9.9 ± 1.0	12.76 ± 1.5	<0.0001
Positive (≤mean)	105 (38.3%)	142 (51.8%)
Negative (>mean)	169 (61.7%)	132 (48.2%)
Behavioral intention			5.43 ± 1.3	7.96 ± .3	<0.0001
High (≤mean)	182 (66.4%)	5 (1.8%)
Low (>mean)	92 (33.6%)	269 (98.2%)