The impact of theory-based educational intervention on improving helmet use behavior among workers of cement factory, Iran

Journal of the Egyptian Public Health Association

Table 4 The mean scores of the TPB constructs in the intervention and control groups before and after the educational intervention in Khoy and Urmia, Iran, 2016

Group	Intervention			Control
Variables	Before intervention	After intervention	Wilcoxon (p value)	Before intervention	After intervention	Wilcoxon (p value)
Variables	Mean ± SD	Mean ± SD	Wilcoxon (p value)	Mean ± SD	Mean ± SD	Wilcoxon (p value)
Attitude	27 ± 5.17	37.26 ± 4.76	0.001*	28.28 ± 5.68	29.30 ± 5.50	0.27
Subjective norms	37.74 ± 6.92	48.34 ± 5.64	0.001*	36.14 ± 5.59	35.15 ± 5.54	0.39
Perceived behavioral control	29.56 ± 6.17	42 ± 8.07	0.001*	28.22 ± 5.80	27.29 ± 5.70	0.18
Behavioral intention	17.65 ± 4.90	24.79 ± 5.33	0.008*	18.54 ± 3.90	19.59 ± 3.80	0.15