Table 3.: Level of caries experience in permanent teeth of participants aged 6 to 18 and variables.

Variables Group (N) Level of caries experience (%) * p-value
No Low High
Gender
(N=47)
Male (29)
Female (18)
11 (38%)
5 (27%)
5 (17%)
3 (17%)
13 (45%)
10 (56%)
0.851
 
Place of Birth
(N=46)
Hong Kong (34)
Non-local (12)
16 (47%)
0 (0%)
4 (12%)
4 (33%)
14 (41%)
8 (67%)
0.005
 
Diagnosis
(N=47)
Leukaemia (28)
Solid Tumour (12)
Other tumours (7)
11 (39%)
4 (33%)
1 (14%)
6 (22%)
1 (8%)
1 (14%)
11 (39%)
7 (59%)
5 (72%)
0.495
 
Chemotherapy
(N=47)
Active (26)
Completed (21)
10 (38%)
6 (29%)
4 (15%)
4 (19%)
12 (47%)
11 (52%)
0.792
 
Tooth Brushing Frequency
(N=47)
≥Twice daily (7)
<Twice daily (37)
12 (36%)
4 (29%)
6 (18%)
2 (14%)
15 (46%)
8 (57%)
0.764
 
Use of Mouthwash
(N=44)
Yes (7)
No (37)
3 (43%)
13 (35%)
0 (0%)
5 (14%)
4 (57%)
19 (51%)
0.583
 
Joined School Dental Care
Service (N=46)
Yes (36)
No (10)
11 (31%)
5 (50%)
7 (19%)
1 (10%)
18 (50%)
4 (40%)
0.568
 
Parental Dental Knowledge
(N=47)
Good (17)
Moderate (27)
Poor (3)
6 (35%)
9 (33%)
1 (33%)
2 (12%)
6 (22%)
0 (0%)
9 (53%)
12 (45%)
2 (67%)
0.930
 
Paternal Educational Level
(N=47)
< Secondary (9)
≥Secondary (38)
1 (11%)
15 (40%)
2 (22%)
6 (15%)
6 (67%)
17 (45%)
0.256
 
Maternal Educational Level
(N=47)
< Secondary (6)
≥Secondary (41)
0 (0%)
16 (39%)
3 (50%)
5 (12%)
3 (50%)
20 (49%)
0.025
 
Monthly Family Income in
HK$ (N=43)
<10,000 (13)
10,000–29999 (16)
>30000 (14)
2 (15%)
5 (31%)
7 (50%)
4 (31%)
2 (13%)
2 (14%)
7 (54%)
9 (56%)
5 (36%)
0.316
 
Parental Dental Satisfaction
(N=46)
Satisfied (6)
Not Satisfied (40)
2 (33%)
13 (34%)
1 (17%)
7 (17%)
3 (50%)
20 (49%)
1.000

* No caries experience: DMFT=0; Low caries experience: 0<DMFT≤2; High caries experience: DMFT>2

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