Peer-led theoretically Desinged HIV/AIDS prevention intervention among students: a case of health belief model

BMC Public Health

Table 3 Comparison of groups in terms of HBM constructs before and after intervention

Constructs	Groups	Before intervention Mean ± SD	After intervention Mean ± SD	Mean Difference	P value*
Knowledge	Intervention	75.58 ± 14.34	90.2 ± 13.6	14.62 ± 0.74	0.000
Knowledge	Control	66.7 ± 16.28	68.86 ± 15.17	2.16 ± 1.11	0.000
Perceived Susceptibility	Intervention	15.51 ± 3.14	19.58 ± 3.13	4.07 ± 0.01	0.000
Perceived Susceptibility	Control	15.4 ± 3.25	16.01 ± 2.99	0.61 ± 0.26	0.000
Perceived Severity	Intervention	11.6 ± 2.20	13.55 ± 2.47	1.95 ± 0.27	0.000
Perceived Severity	Control	12.09 ± 2.65	12.03 ± 2.52	−0.06 ± 0.13	0.000
Perceived Benefits	Intervention	57.32 ± 8.48	65.25 ± 5.9	7.93 ± 2.58	0.000
Perceived Benefits	Control	53.47 ± 8.57	54.5 ± 8.31	1.03 ± 0.26	0.000
Perceived Barriers	Intervention	46.82 ± 5.7	49.17 ± 5.88	2.35 ± 0.18	0.001
Perceived Barriers	Control	45.01 ± 6.72	45.4 ± 6.88	0.39 ± 0.16	0.001
Perceived Self- Efficacy	Intervention	32.72 ± 4.74	34.28 ± 4.77	1.56 ± 0.03	0.002
Perceived Self- Efficacy	Control	31.64 ± 5.18	31.65 ± 5.12	0.01 ± 0.06	0.002
Behavioral Intention	Intervention	35.54 ± 5.06	38.06 ± 5.05	2.52 ± 0.01	0.000
Behavioral Intention	Control	33.4 ± 5.5	33.86 ± 5.35	0.46 ± 0.15	0.000
Behavior	Intervention	30.71 ± 5.71	32.7 ± 5.8	1.99 ± 0.09	0.003
Behavior	Control	29.06 ± 6.89	29.56 ± 6.72	0.5 ± 0.17	0.003

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