TABLE 3.
Multivariate Logistic Regression of Factors Associated with Primary Nonadherence
| Odds Ratio Estimates | Point Estimate | 95% Wald | |
|---|---|---|---|
| Effect | Confidence Limits | ||
| Female vs. male | 1.085 | 0.882 | 1.334 |
| Age | 0.981 | 0.974 | 0.988 |
| BMI normal | 0.873 | 0.735 | 1.044 |
| Prior prescription number | 0.865 | 0.849 | 0.881 |
| Commercial insurance vs. others | 1.242 | 1.104 | 1.535 |
| White (reference) | 1.000 | ||
| Asian | 1.614 | 1.243 | 2.096 |
| Black | 1.556 | 1.235 | 1.962 |
| Hispanic | 1.348 | 1.137 | 1.598 |
| Other | 1.499 | 1.139 | 1.974 |
| CCI = 0 vs. CCI ≥ 2 | 1.706 | 1.566 | 1.879 |
| CCI = 1 vs. CCI ≥ 2 | 0.861 | 0.722 | 1.027 |
| Benign prostatic hyperplasia | 0.963 | 0.726 | 1.275 |
| Depression | 1.072 | 0.898 | 1.281 |
| Urinary tract infections | 1.343 | 1.122 | 1.609 |
| Skin infections | 1.297 | 0.923 | 1.824 |
| Falls, fractures, or related injuries | 1.289 | 1.094 | 1.518 |
| Vulvovaginitis | 1.044 | 0.773 | 1.409 |
| Epilepsy | 0.549 | 0.212 | 1.439 |
| Hypertension | 0.418 | 0.229 | 0.764 |
| Ischemic heart disease | 0.321 | 0.182 | 1.081 |
| Multiple sclerosis | 0.472 | 0.254 | 0.879 |
| Parkinson’s disease | 0.844 | 0.396 | 1.781 |
| Spinal cord injury | 0.722 | 0.138 | 3.781 |
| Substance abuse | 1.102 | 0.868 | 1.394 |
| Stroke | 0.784 | 0.468 | 1.312 |
| Urethral stricture or urinary obstruction | 0.974 | 0.532 | 1.789 |
BMI = body mass index; CCI = Charlson Comorbidity Index.