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Table 1 Number of selected factories or institutions (with adjacent neighbourhoods) and number of selected subjects in the urban and rural areas of the three provinces Cantho, Angiang, and HCM

From: Oral health status of adults in Southern Vietnam - a cross-sectional epidemiological study

  Urban Rural  
Province Factories/Institutions Number of
subjects aged ≥ 20
Communes Number of
subjects aged ≥ 20
Total
sample
Cantho 5 957 7 707 1664
Angiang 5 564 9 631 1195
HCM 5 591 5 600 1191
Total 15 2112 21 1938 4050