Table 4 Caries prevalence in different family factors with DMFT scores as dependent variable respectively
From: Oral health status of students with visual or hearing impairments in Northeast China
School | Variables | N (%) | Dental Caries | |||
|---|---|---|---|---|---|---|
DMFT (SD) | t / F | P value | ||||
Visual impairment | Fluoride use | None | 37(31.36%) | 3.65 ± 3.78 | 4.76 | |
Once/ year | 42(35.59%) | 2.93 ± 2.93 # | 0.045 | |||
Twice /year | 39(33.05%) | 1.59 ± 1.98 * | 0.003 | |||
Frequency of brushing/ day | ≥ Once / day | 40(33.90%) | 2.33 ± 2.75 | 3.81 | ||
Once / day | 62(52.54%) | 2.47 ± 2.53 | ||||
<Once / day or Never | 16(13.56%) | 4.63 ± 4.80* | 0.011 | |||
Brush teeth by themselves | By themselves | 80(67.80%) | 2.26 ± 2.65 | 3.78 | ||
Partially need others help | 33(27.97%) | 3.39 ± 3.45 | ||||
Completely need others help | 5(4.24%) | 5.40 ± 4.83* | 0.025 | |||
Parent’s education background | low (junior school or below) | 40(33.90%) | 3.40 ± 3.65 | 4.90 | ||
median (senior school) | 63(53.39%) | 2.78 ± 2.78 | ||||
high (college or above) | 15(12.71%) | 0.99 ± 0.25* | 0.002 | |||
Hearing impairment | Frequency of brushing/ day | ≥ Once / day | 17(30.36%) | 2.00 ± 2.37 | 6.59 | |
Once / day | 18(32.14%) | 1.28 ± 1.60 | ||||
<Once / day or Never | 21(37.50%) | 4.14 ± 3.31* | 0.014 | |||
Parent’s education background | low (junior school or below) | 14(25.00%) | 3.50 ± 3.88 | 3.11 | ||
median (senior school) | 20(35.71%) | 3.15 ± 2.03 | ||||
high (college or above) | 22(39.29%) | 1.46 ± 2.39* | 0.033 | |||