Additional file 1: of Agricultural crop density and risk of childhood cancer in the midwestern United States: an ecologic study

Table S1. Estimated rate ratios (RRs) and 95 % confidence intervals (CI) of childhood cancers (0–4 years of age) associated with cropland density by crop type in Illinois, 2004–2008. Table S2. Estimated rate ratios (RRs) and 95 % confidence intervals (CI) of childhood cancers (0–4 years of age) associated with cropland density by crop type in Indiana, 2004–2008. Table S3. Estimated rate ratios (RRs) and 95 % confidence intervals (CI) of childhood cancers (0–4 years of age) associated with cropland density by crop type in Iowa, 2004–2008. Table S4. Estimated rate ratios (RRs) and 95 % confidence intervals (CI) of childhood cancers (0–4 years of age) associated with cropland density by crop type in Michigan, 2004–2008. Table S5. Estimated rate ratios (RRs) and 95 % confidence intervals (CI) of childhood cancers (0–4 years of age) associated with cropland density by crop type in Missouri, 2004–2008. Table S6. Estimated rate ratios (RRs) and 95 % confidence intervals (CI) of childhood cancers (0–4 years of age) associated with cropland density by crop type in Ohio, 2004–2008. (DOC 428 kb)