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 |