Results from bivariate and multivariate analysis to assess the degree of screening compliance by baseline factors and intervention group (N = 632)
| Bivariate analysis | Multivariate analysisa | |
|---|---|---|
| HR (95% CI) | HR (95% CI) | |
| Subject characteristic | (P) | (P) |
| Age (y) | ||
| 25—39 | 1.00 | — |
| 40—49 | 0.96 (0.52–1.76) | |
| 50—64 | 1.14 (0.64–2.05) | |
| 65+ | 1.28 (0.70–2.33) | |
| Male gender | 0.86 (0.69–1.08) | — |
| Education | 1.14 (0.88–1.48) | — |
| No college (vs. some college or more) | ||
| No doctor | 0.54 (0.30–0.96) | — |
| (0.02) | ||
| No insurance | 0.55 (0.27–1.14) | — |
| Risk group—HNPCC (vs. high risk) | 1.15 (0.91–1.45) | — |
| Ever had colonoscopy | 1.74 (1.27–2.38) | 1.47 (1.06–2.04) |
| (0.0003) | (0.02) | |
| Adherent at baseline | 1.08 (0.87–1.34) | — |
| Plan on having colonoscopy in 1–2 years | 2.98 (2.37–3.75) | 2.90 (2.30–3.65) |
| (<0.0001) | (<0.0001) | |
| Risk perception is higher than others without family history | 1.73 (1.27–2.35) | |
| (0.0003) | — | |
| Knowledge of risk-appropriate recommendations | 1.33 (1.07–1.65) | — |
| (0.01) | ||
| Reported barriers to CRC screening | 0.73 (0.58–0.92) | |
| Any barrier (yes vs. no) | (0.007) | — |
| Intervention arm—intensive | 1.24 (1.01–1.55) | 1.32 (1.07–1.64) |
| (0.04) | (0.01) | |
↵aAdjusted for all variables with a significance level of P < 0.05 in the multivariate model.