Table 4.

Descriptive-analytic comparison of the mean scores of model constructs before and 1 and 3 months after intervention in the two study groups

Variable	Time	Mean±SD		P
		Intervention group	Control group
Self-efficacy	Before intervention	10.54±4.19	10.57±5.2	0.213
	After intervention	10.54±4.19	10.57±5.2	<0.001
	3 months after intervention	12.34±4.02	10.62±5.2	<0.001
Skill	Before intervention	18.22±4.65	19.02±5.70	0.202
	After intervention	18.22±4.65	19.02±5.70	<0.001
	3 months after intervention	20.05±4.44	19.11±5.61	<0.001
Reinforcement	Before intervention	20.77±6.89	19.22±7.45	0.103
	After intervention	20.77±6.89	19.22±7.45	<0.001
	3 months after intervention	26.88±7.21	19.22±7.45	<0.001

SD=Standard deviation