Table 2. Multivariable Logistic Regression Analysis of Patient Nonadherence to Baseline Lung-RADS Recommendations Among 1979 Patients in Experiment 1.
| Variable | AOR (95% CI) | P value |
|---|---|---|
| Intercept | 9.17 (4.14-21.65) | <.001 |
| Lung-RADS score | ||
| 1 or 2 | 1 [Reference] | NA |
| 3 | 0.35 (0.25-0.50) | <.001 |
| 4A | 0.21 (0.13-0.33) | <.001 |
| 4B/X | 0.10 (0.05-0.19) | <.001 |
| Age, y | ||
| <65 | 1 [Reference] | NA |
| ≥65 | 1.00 (0.78-1.28) | .98 |
| Sex | ||
| Female | 1 [Reference] | NA |
| Male | 0.95 (0.77-1.16) | .60 |
| Race and ethnicity | ||
| Asian | 0.98 (0.69-1.41) | .90 |
| Black | 0.84 (0.56-1.25) | .37 |
| Hispanic or Latino | 1.10 (0.71-1.73) | .67 |
| White | 1 [Reference] | NA |
| Othera | 1.55 (0.77-3.39) | .24 |
| Educational level | ||
| Less than college | 0.88 (0.69-1.11) | .28 |
| College graduate | 1 [Reference] | NA |
| Postgraduate | 0.70 (0.53-0.92) | .01 |
| Smoking status | ||
| Current smoker | 1 [Reference] | NA |
| Former smoker | 0.84 (0.68-1.03) | .10 |
| Family history of lung cancer | ||
| Yes | 0.74 (0.59-0.93) | .01 |
| No | 1 [Reference] | NA |
| Primary insurance | ||
| Medicare and/or Medicaid | 1 [Reference] | NA |
| Private or commercial | 1.10 (0.88-1.38) | .41 |
| Otherb | 1.41 (0.60-3.70) | .46 |
| Age-adjusted CCI score | ||
| 0 or 1 | 1 [Reference] | NA |
| 2 or 3 | 0.73 (0.52-1.02) | .07 |
| ≥4 | 0.67 (0.46-0.98) | .04 |
| Distance to screening center | ||
| ≤50th Percentile | 1 [Reference] | NA |
| >50th Percentile | 1.01 (0.81-1.25) | .95 |
| ADI state rank | ||
| ≤50th Percentile | 1 [Reference] | NA |
| >50th Percentile | 1.12 (0.90-1.40) | .30 |
| Median annual income | ||
| ≤50th Percentile | 1 [Reference] | NA |
| >50th Percentile | 0.79 (0.65-0.98) | .03 |
| Type of referring physician | ||
| Pulmonology, thoracic oncology, radiology, or surgery | 0.56 (0.44-0.73) | <.001 |
| Otherc | 1 [Reference] | NA |
| Expected follow-up examination | ||
| Before COVID-19 | 0.56 (0.27-1.08) | .10 |
| During COVID-19 pause | 1 [Reference] | NA |
| After COVID-19 pause | 0.52 (0.24-1.02) | .07 |
Abbreviations: ADI, Area Deprivation Index; AOR, adjusted odds ratio; CCI, Charlson Comorbidity Index; Lung-RADS, Lung CT Screening Reporting & Data System; NA, not applicable.
a
Subcategories were American Indian or Alaska Native, Native Hawaiian or Pacific Islander, more than 1 race, or racial and ethnic group not otherwise stated.
b
Subcategories were Veterans Health Administration, self-pay, and other insurance not specified.
c
Subcategories were family medicine, general internal medicine, and obstetrics and gynecology.