|  | Odds ratio | 95% CI |
---|---|---|---|
Prior mammography use | No | Reference | Â |
 | Yes | 1.28 | (1.07-1.54) |
Age-group | 67-69 | Reference | Â |
 | 70-74 | 1.00 | (0.77-1.30) |
 | 75-79 | 0.49 | (0.39-0.63) |
Race/ethnicity | White | Reference | Â |
 | Black | 0.99 | (0.67-1.45) |
 | Other | 1.31 | (0.84-2.05) |
State buy-in status | No | Reference | Â |
 | Yes | 0.56 | (0.43-0.73) |
Marriage status | Single | Reference | Â |
 | Married | 1.47 | (1.20-1.80) |
Metropolitan residence | No | Reference | Â |
 | Yes | 1.38 | (1.00-1.90) |
Census tract median household income | <35,000 | Reference | Â |
 | 35,000-60,000 | 1.14 | (0.92-1.42) |
 | >60,000 | 0.98 | (0.75-1.29) |
Charlson score | 0 | Reference | Â |
 | 1 | 1.11 | (0.87-1.42) |
 | 2 | 0.86 | (0.65-1.14) |
 | 3+ | 0.77 | (0.56-1.04) |
Hospital type | Non-teaching | Reference | Â |
 | Teaching | 1.10 | (0.89-1.37) |
Tumor grade | Well/moderately differentiated | reference | Â |
 | Poorly differentiated/other | 1.14 | (0.93-1.39) |
Extent of diseases | invasion through muscularis | Reference | Â |
 | extension to adjacent tissue | 1.48 | (1.20-1.83) |
 | invasion of/through serosa | 1.27 | (0.86-1.89) |
 | Other | 2.91 | (2.18-3.90) |
Bowel obstruction or perforation | No | Reference | Â |
 | Yes | 2.22 | (1.55-3.16) |
More than 12 lymph nodes examined | No | Reference | Â |
 | Yes | 1.09 | (0.91-1.31) |
Oncologist visit | No | Reference | Â |
 | Yes | 8.37 | (5.78-12.1) |
Year | 1996-1998 | Reference | Â |
 | 1999-2000 | 1.28 | (0.98-1.66) |
 | 2001-2002 | 1.36 | (1.06-1.73) |