Table 4.
Multivariate Logistic Regression Analysis of Risk Factors for Medication Non-Adherence That Affects Surgery, Adjusted for Age (n=887)
| Risk factor | Odds ratio (95% CI) | p-value |
|---|---|---|
| Age | ||
| <75 years | 1 (ref) | |
| ≥75 years | 1.05 (0.69–1.62) | 0.81 |
| Sex | ||
| Male | 1 (ref) | |
| Female | 0.62 (0.36–1.05) | 0.074 |
| Presence of dementia | ||
| No | 1 (ref) | |
| Yes | 2.54 (0.79–8.11) | 0.12 |
| Presence of roommate | ||
| No | 1 (ref) | |
| Yes | 0.79 (0.48–1.30) | 0.35 |
| Medications that affect surgery | ||
| One | 1 (ref) | |
| Two | 1.02 (0.60–1.75) | 0.94 |
| Three or more | 1.23 (0.41–3.67) | 0.71 |
| Days until surgery | ||
| <30 | 1 (ref) | |
| ≥30 | 1.04 (0.56–1.91) | 0.9 |
Abbreviations: CI, confidence interval; ref, reference.