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Table 3 Mortality rate (MR), risk difference (RD), adjusted mortality relative risk (RR) and relative effect modification (REM) index for socio-demographic covariates modalities by heat wave. 65-74 and 75+ age groups.

From: Susceptibility to heat wave-related mortality: a follow-up study of a cohort of elderly in Rome

  65-74 ages 75+ ages
  Deaths MR *1000 RD *1000 (95% IC) RR (95% IC) REM Index p-value Deaths MR *1000 RD *1000 (95% IC) RR (95% IC) REM Index p-value
  Heat wave Heat wave        Heat wave Heat wave       
  no yes no yes        no yes no yes       
Total 2753 1386 11.6 12.6 1.0 (0.2; 1.8) 1.08 (1.02 - 1.16)    9427 5043 47.2 54.1 6.9 (5.1; 8.7) 1.15 (1.11 - 1.18)   
Age                     
75-84            5004 2595 33.2 37.0 3.8 (2.1; 5.5) 1.11 (1.06 - 1.17) 1.00  
85-94            3733 2048 87.8 102.4 14.7 (9.4; 19.9) 1.17 (1.11 - 1.23) 1.05 0.196
95+            690 400 101.7 124.9 23.3 (8.9; 37.7) 1.23 (1.08 - 1.39) 1.10 0.149
Gender                     
Female 1124 576 8.5 9.4 0.9 (0.0; 1.8) 1.11 (1.00 - 1.22) 1.00   5406 3006 42.7 50.9 8.2 (6.1; 10.3) 1.19 (1.14 - 1.24) 1.00  
Male 1629 810 15.4 16.5 1.1 (-0.3; 2.5) 1.07 (0.99 - 1.17) 0.96 0.666 4021 2037 54.8 59.5 4.6 (1.5; 7.7) 1.08 (1.03 - 1.14) 0.91 0.008
Marital Status                     
Married 1891 934 11.6 12.3 0.7 (-0.3; 1.6) 1.06 (0.98 - 1.15) 1.00   3494 1771 42.2 45.5 3.3 (0.7; 5.8) 1.07 (1.02 - 1.14) 1.00  
Not married, widowed, divorced 862 452 11.5 13.1 1.6 (0.2; 3.0) 1.14 (1.02 - 1.28) 1.08 0.323 5933 3272 50.7 60.2 9.5 (7.1; 12.0) 1.18 (1.13 - 1.24) 1.10 0.008
SES                     
Medium/High 2088 1056 10.9 11.9 1.0 (0.1; 1.8) 1.09 (1.01 - 1.18) 1.00   7807 4175 46.7 53.5 6.8 (4.9; 8.8) 1.14 (1.10 - 1.19) 1.00  
Low 634 320 14.4 15.6 1.3 (-0.8; 3.3) 1.09 (0.95 - 1.25) 1.00 0.999 1531 838 49.7 58.1 8.4 (3.7; 13.1) 1.17 (1.07 - 1.27) 1.03 0.668
Missing 31 10 13.7 9.5 -4.2 (-11.8; 3.4) 0.69 (0.34 - 1.40) 0.64 0.202 89 30 46.6 33.6 -13 (-28.4; 2.5) 0.72 (0.48 - 1.10) 0.63 0.031