Skip to main content

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 included

Odds ratio

Definitea

Totalb

Definitea

Totalb

Max

 Lag 0c

63,343

223,733

1.015 (1.013, 1.018)

1.012 (1.011, 1.013)

 Lag 1d

63,335

223,735

1.012 (1.009, 1.014)

1.008 (1.007, 1.010)

 Lag 0-1e

63,131

223,035

1.018 (1.015, 1.021)

1.014 (1.012, 1.015)

Meanf

 Lag 0c

62,601

220,854

1.021 (1.017, 1.024)

1.017 (1.015, 1.019)

 Lag 1d

62,661

220,999

1.016 (1.012, 1.019)

1.011 (1.009, 1.013)

 Lag 0-1e

62,200

219,234

1.023 (1.019, 1.027)

1.018 (1.015, 1.020)

Min

 Lag 0c

62,850

221,724

1.010 (1.007, 1.013)

1.009 (1.007, 1.011)

 Lag 1d

62,890

221,874

1.007 (1.004, 1.010)

1.005 (1.004, 1.007)

 Lag 0-1e

62,502

220,320

1.011 (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