Table 3 Characteristics of the sample of 12-year-olds by place of residence in China (n = 10,788)
From: Meeting the oral health needs of 12-year-olds in China: human resources for oral health
Factors | Place of residence | Overall (%)a | ||
|---|---|---|---|---|
Urban (%)a | Rural (%)a | Â | ||
Sex | Male | 53.5% | 52.2% | 52.6% |
Female | 46.5% | 47.8% | 47.4% | |
Ethnicity | Han | 94.1% | 90.4% | 91.5% |
Minority ethnic groups | 5.9% | 9.6% | 8.5% | |
Caries experience | DMFTÂ >Â 0 | 28.0% | 25.7% | 26.4% |
No caries experience | 72.0% | 74.3% | 73.6% | |
Calculus | No calculus | 44.8% | 33.5% | 36.7% |
One or more teeth with calculus | 55.2% | 66.5% | 63.3% | |
Parental education | Poor education | 36.9% | 75.8% | 64.6% |
Higher education | 63.1% | 24.2% | 35.4% | |
Toothbrushing frequency | Daily or less | 59.9% | 84.2% | 77.2% |
Twice a day or more | 40.1% | 15.8% | 22.8% | |
Sugar intake frequency | Less often than daily | 49.1% | 58.5% | 55.8% |
Daily or more | 50.9% | 41.5% | 44.2% | |