Table 2.

Calibration of the models in the NHS and the HPFS against the 1986–2010 SEER data

Model with categorized variablesModel with continuous variables
Risk decileObserved number of casesExpected number of casesRisk decileObserved number of casesExpected number of cases
Women in the NHS
16912.216511.8
23222.323521.3
35929.235128.5
46837.047736.2
58546.558445.9
68358.668057.6
710874.779974.0
89895.6810394.1
996124.19106124.5
10118188.310116194.1
Total816688.5Total816688.0
α = 0.1700; SE(α) = 0.0350; P < 0.01α = 0.1706; SE(α) = 0.0350; P < 0.01
O/E = exp(α) = 1.19O/E = exp(α) = 1.19
Men in the HPFS
1204.01204.0
22010.522010.7
32715.632615.7
43121.143221.0
54727.654227.6
63835.864235.8
74444.774345.0
83956.683856.2
94772.495871.8
1099105.61091104.9
Total412393.9Total412392.7
α = 0.0451; SE(α) = 0.0493; P = 0.36α = 0.0474; SE(α) = 0.0493; P = 0.34
O/E = exp(α) = 1.05O/E = exp(α) = 1.05
  • Abbreviations: exp, exponential function; O/E, ratio of the observed case count to the expected case count.