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Table 1 Characteristics of Subjects

From: Changes in oral health indicators due to implementation of the National Health Insurance Services coverage for first molar dental sealant for children and adolescents in South Korea

Classification Non-beneficiaries (2007–2009 year) Beneficiaries (2013–2015 year)
N Wt(%)a N Wt(%)a
Gender Male 1574 51.9 1333 51.8
Female 1518 48.1 1258 48.2
Age 11–15 years 1902 53.9 1420 46.6
16–20 years 1190 46.1 1171 53.4
Region Urban 2516 83.8 2201 85.2
Rural 576 16.2 390 14.8
Household income I(lower) 386 13.7 327 13.6
II (Lower-middle) 711 23.6 669 27.4
III (Middle-upper) 956 31.8 817 30.9
IV (Upper) 958 30.9 753 28.1
Father’s education level Less than high school 200 71.7 192 57.9
More than college 90 28.3 145 42.1
Mother’s education level Less than high school 245 87.1 227 67.1
More than college 44 12.9 115 32.9
  1. aWeighted value
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BMC Oral Health

ISSN: 1472-6831

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