Table 1

Comparison of demographic factors in case and control circles

TotalsPair 1Pair 2Pair 3Pair 4Pair 5
Case circlesControl circlesAll circlesCaseControlCaseControlCaseControlCaseControlCaseControl
IMD (percentiles)
 25th15.5815.8615.7416.1316.0618.9215.5813.148.8112.2616.6416.0718.36
 50th28.7929.5329.2433.0828.3435.7631.1821.9020.3323.5329.9826.5830.94
 75th47.4045.6246.5953.2045.5251.1342.7035.7133.7542.8851.5442.7244.62
Male (%)49.0548.9649.0048.5248.8948.9349.0049.7649.1749.4349.0648.6348.55
Age
 Mean41.4041.5741.4841.1941.4641.1141.5341.5441.6541.8241.4841.6841.82
 SD12.0412.0512.0512.0011.9811.9511.9112.1412.1012.3012.1411.9312.11
Population (/100 000)26.5725.7252.293.892.2510.185.893.752.835.2210.483.534.27
Population density (people per hectare)27.4524.3925.928.755.0536.4934.0730.5028.4135.7833.9725.7520.43
Not born in UK (%)9.237.978.603.002.8716.5011.2413.018.559.9414.783.722.40
Single-person household (%)17.8416.8017.3214.5612.6918.6516.2016.5216.4823.3924.4116.0914.23
HE qualifications (%)15.2015.3115.2515.1711.7816.6213.6316.7317.7317.6221.429.8711.97
Unemployment (%)4.784.674.724.984.205.715.323.964.005.255.023.994.81