Characteristics of 999 calls 24–30 April 1989, 29 April–5 May 1996, and 26 April–2 May 1999; results are number (%) of calls
| Variable | 1989 | 1996 | 1999 |
|---|---|---|---|
| Totals vary because of missing data. | |||
| Day of the week | |||
| Monday | 993 (15.0) | 1586 (14.5) | 1859 (14.1) |
| Tuesday | 902 (13.6) | 1536 (14.1) | 1739 (13.2) |
| Wednesday | 919 (13.9) | 1498 (13.7) | 1936 (14.7) |
| Thursday | 933 (14.1) | 1549 (14.2) | 1878 (14.3) |
| Friday | 1053 (15.9) | 1571 (14.4) | 1955 (14.8) |
| Saturday | 956 (14.4) | 1626 (14.9) | 1858 (14.1) |
| Sunday | 868 (13.1) | 1555 (14.2) | 1953 (14.8) |
| Total | 6624 (100.0) | 10921 (100.0) | 13178 (100.0) |
| χ2 = 28.47, DF = 12, p = 0.005 | |||
| Time of the day | |||
| 0000–0259 | 612 (9.2) | 1127 (10.3) | 1276 (9.7) |
| 0300–0559 | 364 (5.5) | 620 (5.7) | 791 (6.0) |
| 0600–0859 | 614 (9.3) | 933 (8.5) | 1195 (9.1) |
| 0900–1159 | 1043 (15.7) | 1723 (15.8) | 1912 (14.5) |
| 1200–1459 | 1056 (15.9) | 1553 (14.2) | 1883 (14.3) |
| 1500–1759 | 1037 (15.7) | 1644 (15.1) | 2066 (15.7) |
| 1800–2059 | 943 (14.2) | 1711 (15.7) | 2111 (16.0) |
| 2100–2359 | 955 (14.4) | 1610 (14.7) | 1944 (14.8) |
| Total | 6624 (100.0) | 10921 (100.0) | 13178 (100.0) |
| χ2 = 39.86, DF = 14, p<0.0001 | |||
| Out of hours | |||
| During GP hours | 2067 (31.2) | 3203 (29.3) | 3784 (28.7) |
| Out of hours | 4557 (68.8) | 7718 (70.7) | 9394 (71.3) |
| Total | 6624 (100.0) | 10921 (100.0) | 13178 (100.0) |
| χ2 for trend = 13.25, DF = 1, p = 0.0003 | |||
| Sex | |||
| Male | 3180 (48.5) | 5278 (50.1) | 6665 (52.7) |
| Female | 3372 (51.5) | 5263 (49.9) | 5989 (47.3) |
| Total | 6552 (100.0) | 10541 (100.0) | 12654 (100.0) |
| χ2 for trend = 28.38, DF = 1, p<0.0001 | |||