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Table 2 Sample distribution in Education Centres by Strata

From: Cross-sectional study of height and weight in the population of Andalusia from age 3 to adulthood

Population in the town of origin Type of Education Centre Proportional sample Definite sample
≥ 100,000 Private education centres 13 15
  Infant and primary schools 9 19
  Secondary school 10 16
50,000–99,999 Private education centres 2 2
  Infant and primary schools 3 3
  Secondary school 3 3
20,000–49,999 Private education centres 2 2
  Infant and primary schools 4 4
  Secondary school 3 3
<20,000 Private education centres 3 2
  Infant and primary schools 20 10
  Secondary school 12 6
   84 85