Skip to main content
. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Environ Res. 2014 Nov 25;136:449–461. doi: 10.1016/j.envres.2014.08.042

Table A.3.

Odds ratios (ORs) and 95% confidence intervals for the odds of cardiovascular mortality during extreme heat (EH, the 99th percentile of mean daily maximum temperature over lag days 0-3) vs. non-EH among elderly individuals without (low) or with (high) a given individual characteristic or elderly individuals residing in ZIP codes in the 25th (low) or 75th (high) percentiles of the ZIP-code characteristic, with multiple interactions per model, in 8 cities in Michigan, May-September, 1990-2007.

Term Model 1 Model 2 Model 3 Model 4

Low High Low High Low High Low High
Non-married 1.07 (0.98-1.17) 1.18 (1.11-1.25) 1.07 (0.98-1.17) 1.18 (1.11-1.25)* 1.07 (0.98-1.17) 1.18 (1.11-1.25) 1.08 (0.99-1.18) 1.18 (1.11-1.26)
No high school 1.14 (1.06-1.22) 1.07 (0.98-1.16) 1.14 (1.06-1.22) 1.07 (0.98-1.16) 1.14 (1.06-1.22) 1.07 (0.98-1.16) 1.14 (1.07-1.23) 1.08 (0.99-1.17)
Male 1.09 (1.01-1.19) 1.13 (1.05-1.22) 1.09 (1.01-1.19) 1.13 (1.05-1.22) 1.09 (1.01-1.18) 1.13 (1.05-1.22) 1.10 (1.02-1.19) 1.14 (1.06-1.23)
Black 1.11 (1.04-1.18) 1.11 (0.96-1.28) 1.11 (1.04-1.18) 1.13 (0.99-1.29) 1.11 (1.04-1.18) 1.10 (0.95-1.27) 1.12 (1.05-1.19) 1.11 (0.96-1.28)
Age 79+ 1.16 (1.07-1.26) 1.08 (1.00-1.16) 1.16 (1.07-1.26) 1.08 (1.00-1.16) 1.16 (1.06-1.25) 1.08 (1.00-1.16) 1.16 (1.07-1.26) 1.08 (1.01-1.17)
% Non-green 0.99 (0.90-1.09) 1.28 (1.16-1.42)*** 0.98 (0.89-1.08) 1.29 (1.17-1.42)*** 1.00 (0.92-1.09) 1.26 (1.15-1.37)***
% 65 and alone 1.18 (1.10-1.26) 1.07 (1.01-1.14)*** 1.18 (1.10-1.26) 1.07 (1.01-1.14)*** 1.17 (1.09-1.26) 1.07 (1.01-1.14)*** 1.16 (1.09-1.25) 1.09 (1.03-1.16)**
% Below poverty 1.09 (1.00-1.19) 1.12 (1.05-1.20) 1.08 (1.00-1.16) 1.13 (1.06-1.21) 1.07 (0.99-1.16) 1.15 (1.08-1.23)
% Built < 1940 1.11 (1.00-1.25) 1.17 (1.03-1.33) 1.12 (1.01-1.25) 1.19 (1.07-1.33) 1.04 (0.94-1.15) 1.14 (1.00-1.30)*
% Built 1940-1959 1.11 (1.00-1.25) 1.09 (1.02-1.17) 1.12 (1.01-1.25) 1.10 (1.02-1.18) 1.04 (0.94-1.15) 1.10 (1.03-1.18)*
% Built 1960-1979 1.11 (1.00-1.25) 1.15 (1.07-1.24) 1.12 (1.01-1.25) 1.16 (1.07-1.25) 1.04 (0.94-1.15) 1.14 (1.05-1.23)*

Significance of interaction term:

*

p < 0.10

**

p < 0.05

***

p < 0.001.