Relationship between tumor p53 status and annual household income in the adjusted analysis.

OR = odds ratio; CI = confidence interval; IHC = immunohistochemistry*Trend test. Shown is the OR for the stepwise increase in household income (reference: low income). Income coded as 0 ( $60,000); adjustments: smoking (pack years), age, and body mass index (BMI) were used as continuous data; other covariates were dichotomized for the analysis, as shown in Table 1**adjusted for race/ethnicity, node status, tumor estrogen receptor status, and tumor grade