Descriptive statistics of census tract variables for the Barcelona metropolitan area (Spanish census, 2001)
| Percentiles | |||||||
|---|---|---|---|---|---|---|---|
| Census tract variables | Mean | Minimum | 10th | 30th | 70th | 90th | Maximum |
| % Residents >64 yr.1 | 21.4 | 0.9 | 12.3 | 16.7 | 23.6 | 28.6 | 51.0 |
| % Low education2 | 10.3 | 0.0 | 4.0 | 6.8 | 13.5 | 20.4 | 58.0 |
| % Manual workers3 | 44.4 | 10.0 | 23.2 | 36.4 | 62.0 | 72.7 | 89.6 |
| % Unemployment4 | 12.7 | 3.7 | 8.3 | 10.5 | 14.5 | 18.8 | 55.9 |
| % Houses without AC5 | 79.6 | 30.4 | 70.2 | 77.0 | 85.4 | 90.5 | 98.5 |
| % Old buildings6 | 20.2 | 0.0 | 0.0 | 2.3 | 16.7 | 53.7 | 100 |
| % Single dwellings7 | 17.1 | 0.0 | 0.0 | 5.6 | 20.8 | 42.4 | 98.9 |
| % Perception of little surrounding greenness8 | 38.3 | 1.8 | 14.2 | 25.6 | 49.5 | 66.3 | 91.7 |
| Percent tree cover9 | 3.8 | 1.1 | 2.1 | 2.7 | 3.8 | 6.3 | 49.2 |
1Percentage of residents aged 65 years or older
2Percentage of residents (16-29 yr.) who are illiterate or have not completed primary school education
3Percentage of manual workers among residents≥16 yr.
4Percentage of unemployed residents≥16 yr.
5Percentage of houses without air conditioning
6Percentage of buildings that were built before 1920
7Percentage of single dwellings
8Percentage of residents perceiving little surrounding greenness
9Weighted average of tree cover percentage (MODIS Vegetation Continuous Fields (2002-2003)) in a buffer of 500m around address of residence at time of death.