Table 1 Heat-effect estimates at 25th and 75th percentiles of city-specific geographic, socio-demographic and climatic characteristics according to random effects meta-regression analysis
From: Effects of high summer temperatures on mortality in 50 Spanish cities
At p25 of characteristic | At p75 of characteristic | ||||||
|---|---|---|---|---|---|---|---|
City-characteristics (units) | p25 | %RRa | (95% CI) | p75 | %RRa | (95% CI) | pb |
Heat exposure | |||||||
p99th-p90th of maximum temperature (°C) | 4.0 | 14.0 | (12.0, 16.0) | 4.8 | 16.4 | (14.2, 18.7) | 0.011 |
Geographic | |||||||
Latitude | 38.6 | 15.7 | (13.1, 18.4) | 42.2 | 14.0 | (11.3, 16.8) | 0.318 |
Longitude | −5.4 | 16.7 | (14.1, 19.4) | −1.2 | 13.5 | (11.2, 15.9) | 0.039 |
Socio-demographic | |||||||
Population (×100,000 hab.)c | 0.7 | 14.2 | (11.3, 17.2) | 6.7 | 15.1 | (13.0, 17.3) | 0.480 |
% Pop. >65 yearsc | 0.1 | 14.7 | (12.0, 17.5) | 0.2 | 15.1 | (12.5, 17.8) | 0.820 |
Per capita income (×1,000 €)d | 8.6 | 15.9 | (13.2, 18.7) | 11.3 | 14.1 | (11.6, 16.7) | 0.273 |
Climate | |||||||
Whole year | |||||||
Mean temperature (°C) | 13.1 | 14.9 | (12.1, 17.8) | 17.2 | 15.0 | (12.4, 17.6) | 0.967 |
Relative humidity (%) | 61.3 | 15.7 | (12.9, 18.6) | 70.6 | 14.4 | (11.9, 16.9) | 0.414 |
Summer (Jun. To Sep.) | |||||||
Mean temperature (°C) | 19.6 | 14.5 | (11.7, 17.4) | 24.6 | 15.3 | (12.6, 18.1) | 0.679 |
Relative humidity (%) | 48.9 | 16.5 | (13.6, 19.4) | 66.5 | 13.9 | (11.6, 16.3) | 0.158 |