Table 2.
Significant clusters found by the SaTScan software (version 7.0.1) for lung and bronchial cancers in the HAFB study area, 1975–2004.
| Window shape | Covariates included in analysis | Cluster label | Time period | Population | No. of cases | Expected no. of cases | RR | p-Value |
|---|---|---|---|---|---|---|---|---|
| Circular | Age, sex | 1 | 1994–2003 | 623 | 11 | 1.51 | 7.46 | 0.014 |
| Circular | Age, sex | 2 | 1983–1987 | 8,794 | 17 | 4.16 | 4.21 | 0.050 |
| Elliptical | Age, sex | 1 | 1994–2003 | 623 | 11 | 1.51 | 7.45 | 0.025 |
| Elliptical | Age, sex | 2 | 1981–1987 | 44,320 | 74 | 40.17 | 2.01 | 0.043 |
| Circular | Age, sex, SES | 1 | 1994–2003 | 623 | 11 | 1.36 | 8.26 | 0.011 |
| Circular | Age, sex, SES | 3 | 1990–2003 | 5,131 | 9 | 0.92 | 9.93 | 0.024 |
| Elliptical | Age, sex, SES | 1 | 1994–2003 | 623 | 11 | 1.36 | 8.26 | 0.017 |
| Elliptical | Age, sex, SES | 3 | 1990–2003 | 5,131 | 9 | 0.92 | 9.93 | 0.037 |