Adjusted Relative Rate Ratios of Adherence With Fecal Occult Blood Testing and Colorectal Cancer Tests Without FOBT by Patient Characteristics (N=11,110)
| Outcome | RRRa (95% CI) |
|---|---|
| CRC=colorectal cancer; FOBT=fecal occult blood test; ref=reference category; PHE = preventive health examination; RRR = relative rate ratio. | |
| a Relative rate ratio of CRC screening outcome compared with no CRC screening associated with change in covariate value. | |
| b P for linear trend <.001. | |
| Adherent with FOBT vs no screening | |
| Age, year | 1.02 (1.02–1.03) |
| Male sex | 1.44 (1.31–1.58) |
| Charlson Comorbidity Index | 1.0 (ref)b |
| 0 | 0.78 (0.68–0.88) |
| 1 | 0.93 (0.76–1.13) |
| 2 | 0.53 (0.40–0.69) |
| ≥3 | |
| No. of primary care visits (2002–2003) | 1.01 (1.00–1.02) |
| No. of non–primary care visits (2002–2003) | 1.00 (0.99–1.01) |
| Preventive health examination (PHE) during observation period (2002–2003) | 11.16 (9.61–12.96) |
| Adherent with CRC tests other than FOBT vs no screening | |
| Age, year | 0.98 (0.97–0.99) |
| Male sex | 1.03 (0.88–1.21) |
| Charlson Comorbidity Index | 1.0 (ref)b |
| 0 | 0.80 (0.65–1.00) |
| 1 | 0.68 (0.50–0.92) |
| 2 | 0.63 (0.42–0.96) |
| ≥3 | |
| No. of primary care visits (2002–2003) | 1.01 (1.00–1.02) |
| No. of non–primary care visits (2002–2003) | 1.02 (1.01–1.03) |
| PHE during observation period (2002–2003) | 2.36 (2.02–2.75) |