Table 3.
Multiple Logistic Regression Analysis of All Variables Associated with Likelihood of in-Person Follow-Up
Characteristic | β | Standard Error | Wald χ2 | OR | 95% CI | P-value† | |
---|---|---|---|---|---|---|---|
Lower Bound | Upper Bound | ||||||
Telehealth by provider (relative to none) | |||||||
Physician | 0.833 | 0.075 | 123.53 | 2.299 | 1.985 | 2.663 | <0.001 |
ptometrist | −0.233 | 0.079 | 8.638 | 0.792 | 0.678 | 0.925 | 0.003 |
Age 65 or older | 0.363 | 0.051 | 50.062 | 1.438 | 1.300 | 1.590 | <0.001 |
Male sex | −0.124 | 0.048 | 6.760 | 0.883 | 0.804 | 0.970 | 0.009 |
Race/Ethnicity (relative to White, non-Hispanic)‡ | |||||||
Asian | −0.297 | 0.096 | 9.660 | 0.743 | 0.616 | 0.896 | 0.002 |
Black or African American | −0.287 | 0.143 | 3.991 | 0.751 | 0.567 | 0.995 | 0.046 |
Hispanic or Latin American | −0.205 | 0.14 | 2.134 | 0.815 | 0.619 | 1.072 | 0.144 |
More than one race | −0.246 | 0.249 | 0.976 | 0.782 | 0.480 | 1.274 | 0.323 |
Other races¶ | −0.143 | 0.179 | 0.638 | 0.867 | 0.610 | 1.232 | 0.425 |
Primary language (relative to English) | −0.303 | 0.118 | 6.611 | 0.738 | 0.586 | 0.930 | 0.010 |
Residence out of state | −0.339 | 0.086 | 15.61 | 0.713 | 0.603 | 0.843 | <0.001 |
Disease severity (relative to having no retinopathy) | |||||||
Nonproliferative diabetic retinopathy | 0.087 | 0.053 | 2.725 | 1.091 | 0.984 | 1.211 | 0.099 |
Proliferative diabetic retinopathy | 0.862 | 0.145 | 35.218 | 2.368 | 1.781 | 3.147 | <0.001 |
Average vision | |||||||
Worse eye vision [LogMAR] | 1.222 | 0.173 | 49.643 | 3.395 | 2.417 | 4.770 | <0.001 |
Better eye vision [LogMAR] | −1.061 | 0.203 | 27.200 | 0.346 | 0.232 | 0.516 | <0.001 |
Constant | −0.585 | 0.057 | 104.365 | 0.557 | <0.001 |
Notes: †Significance is marked in bold (P < 0.05). ‡Patients with missing or unreported race are excluded from the multivariate logistic regression. ¶Includes American Indian or Alaska Native, Native Hawaiian or other Pacific Islander, and other races.
Abbreviations: NDPR, nonproliferative diabetic retinopathy; PDR, proliferative diabetic retinopathy; HbA1c(%), hemoglobin A1c(%); LogMAR, logarithm of the minimum angle of resolution.