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Table 2 Association between daily temperature and homicide, with odds ratios reported per 1 °C increase in temperature. Numbers in parentheses are 95% confidence intervals

From: Short-term association between ambient temperature and homicide in South Africa: a case-crossover study

 Deaths includedOdds ratio
DefiniteaTotalbDefiniteaTotalb
Max
 Lag 0c63,343223,7331.015 (1.013, 1.018)1.012 (1.011, 1.013)
 Lag 1d63,335223,7351.012 (1.009, 1.014)1.008 (1.007, 1.010)
 Lag 0-1e63,131223,0351.018 (1.015, 1.021)1.014 (1.012, 1.015)
Meanf
 Lag 0c62,601220,8541.021 (1.017, 1.024)1.017 (1.015, 1.019)
 Lag 1d62,661220,9991.016 (1.012, 1.019)1.011 (1.009, 1.013)
 Lag 0-1e62,200219,2341.023 (1.019, 1.027)1.018 (1.015, 1.020)
Min
 Lag 0c62,850221,7241.010 (1.007, 1.013)1.009 (1.007, 1.011)
 Lag 1d62,890221,8741.007 (1.004, 1.010)1.005 (1.004, 1.007)
 Lag 0-1e62,502220,3201.011 (1.008, 1.015)1.010 (1.008, 1.012)
  1. aDefinite homicides, ICD-10: X85-Y09
  2. bIncludes definite homicides and probable homicides (ICD-10: W25-W26, W32-W34, W50, Y22-Y24, Y28-Y29)
  3. cSame day’s temperature
  4. dPrevious day’s temperature
  5. eMoving average of same and previous day’s temperature
  6. fHere the mean is defined as the average between the maximum and the minimum
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