Table 1:

Demographic characteristics of the patients (n=789)

	n (%)
Age (years)
<1	17 (2.2)
1–10	87 (11.0)
11–20	72 (9.1)
21–30	170 (21.6)
31–40	201 (25.5)
41–50	107 (13.6)
51–60	57 (7.2)
61–70	38 (4.8)
71–80	31 (3.9)
>80	9 (1.1)
Sex
Male	593 (75.1)
Female	196 (24.9)
Occupation
Child/pupil/student	226 (28.6)
Driver/cyclist	68 (8.6)
Farmer	51 (6.5)
Civil servant/private employee	73 (9.3)
Unemployed	48 (6.1)
Businessman/trader	148 (18.8)
Artisan	115 (14.5)
Others	60 (7.6)
Marital status
Single	401 (50.8)
Married	348 (44.1)
Widow	34 (4.3)
Separated	4 (0.5)
Divorced	2 (0.3)
Level of education
Primary	132 (16.7)
Secondary	227 (28.8)
Tertiary	128 (16.2)
No Education	51 (6.5)
Not Stated	251 (31.8)