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. 2012 Nov 13;12:49. doi: 10.1186/1472-6831-12-49

Table 1.

Prevalence of caries according to maternal education & family income

Characteristics Number of children (n = 410) Number with caries
Mother’s education
None
1 (0.2%)
1 (100%)
Up to grade 5
5 (1.2%)
3 (60%)
Grade 6 to 11
247 (60.2%)
89 (36%)
Grade 12 to 14
140 (34.1%)
63 (45%)
University
17 (4.1%)
1 (5.8%)
Income (Rs.)
<15000
111 (27.1%)
43 (38.7%)
15000-24999
148 (36.1%)
63 (42.6%)
> = 25000 151 (36.8%) 51 (33.8%)