Weekend effect by month of death, UK 1986–98
| Month of death | % Weekend | % Sunday | % Saturday |
|---|---|---|---|
| Expected percentages for each day = 14.28% and 28.57% for weekends. | |||
| Probabilities refer to variation from expected (one sided t test for proportions). | |||
| 1986–90 | |||
| January | 31.05 (p = 0.04) | 14.93 (p = 0.28) | 16.12 (p = 0.05) |
| February | 29.91 (p = 0.19) | 15.01 (p = 0.27) | 14.90 (p = 0.30) |
| March | 29.61 (p = 0.24) | 16.24 (p = 0.05) | 13.37 (p = 0.78) |
| April | 31.82 (p = 0.03) | 18.25 (p < 0.01) | 13.58 (p = 0.70) |
| May | 30.55 (p = 0.13) | 15.91 (p = 0.12) | 14.65 (p = 0.40) |
| June | 26.11 (p = 0.88) | 14.74 (p = 0.39) | 11.37 (p = 0.97) |
| July | 31.67 (p < 0.01) | 16.19 (p = 0.13) | 15.48 (p = 0.24) |
| August | 34.06 (p < 0.01) | 17.60 (p = 0.03) | 16.87 (p = 0.07) |
| September | 34.06 (p < 0.01) | 18.33 (p < 0.01) | 15.74 (p = 0.18) |
| October | 33.48 (p < 0.01) | 16.59 (p = 0.04) | 16.89 (p = 0.03) |
| November | 33.81 (p < 0.01) | 16.39 (p = 0.05) | 17.42 (p < 0.01) |
| December | 32.62 (p < 0.01) | 17.64 (p < 0.01) | 14.99 (p = 0.27) |
| 1993–98 | |||
| January | 36.86 (p < 0.01) | 20.14 (p < 0.01) | 16.72 (p = 0.12) |
| February | 31.10 (p = 0.19) | 16.93 (p = 0.11) | 14.17 (p = 0.52) |
| March | 28.20 (p = 0.55) | 13.91 (p = 0.57) | 14.29 (p = 0.50) |
| April | 33.64 (p = 0.05) | 20.09 (p = 0.57) | 13.55 (p = 0.62) |
| May | 36.65 (p < 0.01) | 19.00 (p = 0.02) | 17.65 (p = 0.08) |
| June | 32.72 (p = 0.09) | 17.51 (p = 0.09) | 15.21 (p = 0.35) |
| July | 31.19 (p = 0.21) | 16.34 (p = 0.20) | 14.85 (p = 0.41) |
| August | 30.82 (p = 0.27) | 15.72 (p = 0.30) | 15.09 (p = 0.39) |
| September | 29.17 (p = 0.42) | 11.57 (p = 0.13) | 17.59 (p = 0.08) |
| October | 35.44 (p = 0.01) | 18.99 (p = 0.02) | 16.46 (p = 0.17) |
| November | 29.38 (p = 0.40) | 16.59 (p = 0.17) | 12.80 (p = 0.73) |
| December | 30.77 (p = 0.21) | 12.59 (p = 0.79) | 18.18 (p = 0.03) |