Multivariate Logistic Regression Analysis of Predictors of Being Up-to-Date with Colorectal Cancer Screening at End of Influenza Season (March 31, 2007) for Study Participants (N = 514)
| Predictor Variable | Patients Initially Overdue for CRCS (n=238) OR (95% CI) | Patients Initially Up-to-Date for CRCS (n=276) OR (95% CI) |
|---|---|---|
| CRCS=colorectal cancer screening; OR=odds ratio. | ||
| a P <.001 for comparison with reference category. | ||
| b P <.05 for comparison with reference category. | ||
| Study arm, intervention (vs control) | 11.3 (5.8–22.0)a | 5.8 (1.5–22.0)a |
| Age, 50–64 y (vs 65–79 y) | 0.8 (0.4–1.5) | 1.0 (0.3–3.4) |
| Sex, male (vs female) | 1.1 (0.6–2.1) | 2.5 (0.7–9.3) |
| Ethnicity, Hispanic (vs Asian) | 0.8 (0.4–1.6) | 0.4 (0.1–1.3) |
| Other (vs Asian) | 0.5 (0.2–1.1) | 1.7 (0.2–15.9) |
| Primary language, English (vs non-English) | 0.8 (0.4–1.8) | 2.0 (0.4–10.0) |
| Insurance, insured (vs uninsured) | 1.4 (0.6–3.2) | 1.3 (0.3– 5.2) |
| Income, above median (vs below) | 2.0 (1.1–3.8)b | 0.7 (0.2–2.0) |
| Primary care visits, above median (vs below median) | 2.0 (1.0–3.7)b | 0.7 ( 0.2–2.3) |