Gendera
|
Boys
|
319
|
49.2
|
–
|
–
|
Girls
|
330
|
50.8
|
–
|
–
|
Father’s education levela
|
College graduate or above
|
81
|
12.5
|
–
|
–
|
Senior secondary school (S4‑7)
|
313
|
48.2
|
–
|
–
|
Junior Secondary school (S1‑3)
|
167
|
25.7
|
–
|
–
|
Mother’s education levela
|
Below Secondary school
|
88
|
13.6
|
–
|
–
|
College graduate or above
|
110
|
16.9
|
–
|
–
|
Senior secondary school (S4‑7)
|
267
|
41.1
|
–
|
–
|
Junior Secondary school (S1‑3)
|
184
|
28.4
|
–
|
–
|
Below Secondary school
|
88
|
13.6
|
–
|
–
|
Student Dental Care Service/ Dental insurancea
|
Yes
|
636
|
98.0
|
–
|
–
|
No
|
13
|
2.0
|
–
|
–
|
Monthly family income
|
>$40,000
|
96
|
14.8
|
81
|
19.5
|
$30,000‑$40,000
|
65
|
10.0
|
42
|
10.1
|
$20,000‑$30,000
|
101
|
15.6
|
69
|
16.6
|
$10,000‑$20,000
|
226
|
34.8
|
165
|
39.8
|
<$10,000
|
161
|
24.8
|
58
|
14.0
|
Snacking frequency between meals
|
3 times or more
|
54
|
8.3
|
38
|
9.2
|
Twice
|
123
|
19.0
|
81
|
19.5
|
Once
|
334
|
51.4
|
202
|
48.7
|
None
|
138
|
21.3
|
94
|
22.7
|
Daily brushing frequency
|
Twice or more
|
467
|
72.0
|
303
|
73.0
|
Less than twice
|
182
|
28.0
|
112
|
27.0
|
Both parents employed
|
Yes
|
417
|
64.3
|
276
|
66.5
|
No
|
232
|
35.7
|
139
|
33.5
|
Maximum CPI
|
Healthy gum/ No bleeding or calculus
|
89
|
13.7
|
44
|
10.6
|
Bleeding on probing
|
139
|
21.4
|
46
|
11.1
|
Calculus deposits
|
421
|
64.9
|
325
|
78.3
|
DMFT
|
0
|
446
|
68.7
|
193
|
46.5
|
1
|
109
|
16.8
|
67
|
16.1
|
2
|
52
|
8.0
|
47
|
11.3
|
> 3
|
42
|
6.5
|
108
|
26.1
|
Mean (s.d.)
|
0.55
|
(1.01)
|
1.70
|
(2.34)
|