Table 2.
Variables associated with the invitation to participate in a clinical trial (binary logistic regression, N = 1954).
| Trial Invitation | |||||
|---|---|---|---|---|---|
| Adjusted Odds Ratio |
95% Confidence Interval | p Value | |||
| Lower | Upper | ||||
| Health literacy level | Limited | 0.55 | 0.39 | 0.77 | 0.001 |
| Adequate | 1 | ||||
| Age (years) | ≤65 | 1 | |||
| >65 | 0.60 | 0.37 | 0.97 | 0.039 | |
| Management Center | Private | 1 | |||
| Public academic or community center | 1.43 | 0.99 | 2.06 | 0.055 | |
| Comprehensive cancer center | 3.62 | 2.37 | 5.54 | <0.001 | |
| Missing/unknown | 0.82 | 0.39 | 1.69 | 0.594 | |
| Area of residence | Rural/Small town/city (<200,000 residents) | 0.67 | 0.49 | 0.92 | 0.014 |
| Large city (≥200,000 residents) | 1 | ||||
| Missing/unknown | 0.51 | 0.08 | 3.39 | 0.490 | |
| Financial resources | Low (<Q1) | 0.54 | 0.33 | 0.88 | 0.014 |
| Intermediate (Q1–Q3) | 0.82 | 0.57 | 1.18 | 0.301 | |
| High (>Q3) | 1 | ||||
| Missing/unknown | 1.03 | 0.53 | 2.02 | 0.918 | |
| Cancer type | Breast | 1.82 | 0.90 | 3.66 | 0.095 |
| Lung | 3.78 | 1.55 | 9.22 | 0.003 | |
| Prostate | 0.84 | 0.36 | 1.96 | 0.689 | |
| Upper aero-digestive tract | 2.16 | 0.82 | 5.64 | 0.117 | |
| Bladder | 0.09 | 0.00 | 4.56 | 0.232 | |
| Kidney | 0.94 | 0.28 | 3.18 | 0.921 | |
| Thyroid | 0.78 | 0.26 | 2.32 | 0.655 | |
| Non-Hodgkin lymphoma | 2.88 | 1.12 | 7.45 | 0.029 | |
| Melanoma | 1.86 | 0.73 | 4.75 | 0.195 | |
| Cervical | 2.60 | 0.90 | 7.47 | 0.076 | |
| Endometrial | 0.56 | 0.04 | 7.24 | 0.658 | |
| Colorectal | 1 | ||||
| Individual chronic condition score, per one-point increase | 1.31 | 0.86 | 2.00 | 0.212 | |