Table 3.

Demographic factors associated with the knowledge.

Demographic data	Mean knowledge score ± SD/18	P-value
Age
Under 18	12.43 ± 2.72	–
18–24	13.84 ± 2.39	0.017
24–44	13.57 ± 2.64	0.048
45–54	13.91 ± 1.96	0.084
55–64	13.60 ± 2.07	0.923
>65	12.50 ± 2.65	1
Gender
Female	13.76 ± 2.53	0.164
Male	13.16 ± 2.56	0.195
Nationality
Lebanese	13.51 ± 2.55	0.129
Non-Lebanese	13.59 ± 2.83	0.687
Marital status
Single	13.42 ± 2.64	–
Married	13.69 ± 2.43	0.736
Divorced	13.20 ± 1.64	0.997
Widow	12.33 ± 3.21	0.883
Region
Beirut	13.13 ± 2.49	–
Mount Lebanon	14.03 ± 2.65	0.014
South	14.04 ± 2.30	0.426
North	14.32 ± 2.46	0.217
Bekaa	13.33 ± 2.52	1.000
Education
Elementary	9.50 ± 0.22	–
Secondary	12.19 ± 0.29	0.051
University	13.79 ± 0.14	0.000
Others	14.47 ± 0.48	0.000
Occupation
Medical	12.65 ± 2.88	–
Non-medical	13.73 ± 2.37	0.000
None	14.30 ± 2.05	0.000
Income
<750,000	13.14 ± 2.73	–
750,000–1500,000	13.26 ± 2.52	0.999
1,500,000–2,250,000	13.95 ± 2.60	0.239
2,250,000–3,000,000	13.96 ± 2.53	0.425
3,000,000–3,750,000	13.71 ± 2.35	0.931
>3,750,000	13.66 ± 2.19	0.783

The mean score was calculated from all knowledge questions.

ANOVA test was done followed by tukey post-hoc test.

P < 0.05 was considered statistically significant.