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. 2013 Dec 19;13:1202. doi: 10.1186/1471-2458-13-1202

Table 1.

Socio-demographic characteristics of the study participants

Socio-demographic characteristics and oral hygiene habits Bad oral health
Good oral health
p
(n = 270) (n = 249)
Age (years), mean ± SD
30.6 ± 7.5
26.8 ± 5.7
<0.001*
Gender, n (%)
 
 
0.345
   Males
254 (94.1)
229 (92.0)
   Females
16 (5.9)
20 (8.0)
Level of education, n (%)
 
 
<0.001*
   No education
16 (5.9)
9 (3.6)
   Primary
96 (35.6)
38 (15.3)
   Secondary
152 (56.3)
196 (78.7)
   College/Faculty
6 (2.2)
6 (2.4)
Marital status, n (%)
 
 
0.256
   Married
42 (15.6)
35 (14.1)
   Permanent relationship
64 (23.7)
75 (30.1)
   Single
164 (60.7)
139 (55.8)
Employment status, n (%)
 
 
0.001*
   Full – time job
7 (2.6)
21 (8.4)
   Part – time job
13 (4.8)
17 (6.8)
   Unemployed
249 (92.2)
204 (81.9)
   Student
1 (0.4)
7 (2.8)
Housing, n (%)
 
 
0.130
   House/apartment (own or parents’)
209 (71.4)
206 (82.7)
   Other
61 (22.6)
43 (17.3)
Duration of drug injection (years), median (range)
6 (0 – 33)
3 (0 – 23)
<0.001*
Frequency of drug injection in last month, mean ± SD
5.7 ± 2.1
5.2 ± 2.1
0.009*
Frequency of teeth brushing, n (%)
 
 
<0.001*
   Do not brush teeth
59 (21.9)
6 (2.4)
   Brush teeth but not every day
70 (25.9)
32 (12.9)
   Once a day
73 (27.0)
88 (35.3)
   Twice a day
52 (19.3)
98 (39.4)
   After every meal
16 (5.9)
25 (10.0)
Regular checkups at the dentist, n (%)
 
 
<0.001*
   Do not go
262 (97.0)
218 (87.6)
   Go 8 (3.0) 31 (12.4)

*Statistical significance was considered p < 0.05.