Table 2.
Association Between a 1°C Change in Maximum Temperature and Heat Stress (May – September 2008 –2012)
| Demographic Variables and Subgroupsa | Risk Ratio (95% CI) |
|---|---|
| Age, yearsb | |
| 4 or younger | 1.318 (1.217, 1.427) |
| 5 – 24 | 1.339 (1.310, 1.369) |
| 25 – 44 | 1.372 (1.341, 1.403) |
| 45 – 64 | 1.377 (1.345, 1.409) |
| 65 – 84 | 1.386 (1.346, 1.427) |
| 85 or older | 1.400 (1.330, 1.474) |
| Sexb | |
| Male | 1.363 (1.340, 1.386) |
| Female | 1.370 (1.345, 1.396) |
| Race/Ethnicityb | |
| White, Non-Hispanic | 1.374 (1.351, 1.397) |
| Black, Non-Hispanic | 1.338 (1.304, 1.373) |
| Hispanic | 1.371 (1.330, 1.414) |
| Other | 1.365 (1.315 1.416) |
| Monthb | |
| May | 1.373 (1.329, 1.418) |
| June | 1.370 (1.341, 1.400) |
| July | 1.361 (1.335, 1.388) |
| August | 1.388 (1.340, 1.439) |
| September | 1.326 (1.270, 1.384) |
| NYC onlyb | 1.371 (1.338, 1.405) |
| Rest of NYSb | |
| Rural NYS | 1.373 (1.302, 1.448) |
| Urban NYS excluding NYC | 1.362 (1.337, 1.388) |
| Low Ozone/ Low PM2.5c | 1.356 (1.334, 1.379) |
| High Ozone/ Low PM2.5c | 1.287 (1.263, 1.312) |
| Low Ozone/ High PM2.5c | 1.434 (1.405, 1.463) |
| High Ozone/ High PM2.5c | 1.361 (1.342, 1.381) |
| Unadjusted | 1.433 (1.418, 1.448) |
| Adjusted for PM2.5 only | 1.367 (1.348, 1.385) |
| Adjusted for Ozone only | 1.400 (1.382, 1.419) |
| Adjusted for PM2.5 & Ozone | 1.366 (1.347, 1.386) |
aAbbreviations: RR Risk Ratio, CI confidence interval
bAdjusted for ozone and PM2.5'
c Low ozone= 33.95ppb (25th percentile), high ozone = 52.56ppb (75th percentile); low PM2.5 = 6.26 μg/m3 (25th percentile), high PM2.5 = 13.06 μg/m3 (75th percentile)