Table 2.
Odds Ratios and 95% Confidence Intervals for Logistic Function Predicting the Likelihood of a Stroke Event From the Adjudication Process (Shown for Both Approaches), REGARDS Study, 2008–2009
| Factor | Approach 1: Data up to October 1, 2008 |
Approach 2: Data up to October 1, 2009 |
||
| OR | 95% CI | OR | 95% CI | |
| Region (referent = rest of nation) | ||||
| Stroke belt | 0.95 | 0.73, 1.22 | 0.98 | 0.77, 1.24 |
| Stroke buckle | 1.32 | 0.97, 1.78 | 1.24 | 0.93, 1.65 |
| Race-gender (referent = white female) | ||||
| African-American female | 1.05 | 0.76, 1.46 | 0.98 | 0.72, 1.33 |
| African-American male | 1.53 | 1.08, 2.15 | 1.37 | 0.99, 1.90 |
| White male | 1.26 | 0.93, 1.71 | 1.16 | 0.88, 1.55 |
| Reason for seeking record (referent = reported stroke symptom) | ||||
| Reported stroke | 45.44 | 29.92, 69.02 | 43.38 | 29.02, 64.86 |
| Reported transient ischemic attack | 18.24 | 11.76, 28.28 | 16.83 | 11.04, 25.67 |
| Death with a suspected stroke | N/A | 41.52 | 19.77, 95.80 | |
| Hospitalized for other reasons | 3.61 | 1.83, 7.14 | 3.15 | 1.61, 6.18 |
| Incapacitated | 86.14 | 42.94, 172.73 | 76.14 | 38.87, 149.17 |
Abbreviations: CI, confidence interval; N/A, not available; OR, odds ratio; REGARDS, REasons for Geographic And Racial Differences in Stroke.