Table 3. Increment in participants’ scores after the intervention (n = 109).

The pre-intervention and post-intervention scores are expressed as mean ± SD. p-values less than 0.05 are statistically significant.

Scores (mean ± SD)		Knowledge			Attitude			Practice
Categories	n	Pre-intervention	Post-intervention	p-value*	Pre-intervention	Post-intervention	p-value*	Pre-intervention	Post-intervention	p-value*
Age
50 years and below	63	4.34 ± 1.75	7.34 ± 0.84	<0.001	3.60 ± 1.37	4.7 ± 0.42	<0.001	1.95 ± 0.85	4.20 ± 1.10	<0.001
More than 50 years	46	4.21 ± 1.81	6.93 ± 1.18	<0.001	3.56 ± 1.50	4.60 ± 0.97	<0.001	2.02 ± 0.85	4.39 ± 1.14	<0.001
Education status
Illiterate	82	4.13 ± 1.81	7.04 ± 1.07	<0.001	3.42 ± 1.47	4.66 ± 0.78	<0.001	1.98 ± 0.85	4.31 ± 1.07	<0.001
Literate	27	4.78 ± 1.58	7.56 ± 0.70	<0.001	4.07 ± 1.14	4.81 ± 0.40	0.003	1.96 ± 0.85	4.18 ±1.22	<0.001
Work experience
Seven years and below	45	4.24 ± 1.81	7.35 ± 0.74	<0.001	3.82 ± 1.30	4.80 ± 0.40	<0.001	1.91 ± 0.87	4.28 ± 0.99	<0.001
More than seven years	64	4.32 ± 1.7	7.04 ± 1.16	<0.001	3.42 ± 1.48	4.62 ± 0.86	<0.001	2.03 ± 0.83	4.20 ± 1.21	<0.001