Table 3.
States with an O/E adjusted rate ratios, for ischemic stroke remaining significantly >1.0, after successive adjustments
| State | Unadjusted | Age | Age, Sex | Age, Sex, Race | Fulla |
|---|---|---|---|---|---|
| MS | 1.27 | 1.36 | 1.32 | 1.19 | 1.18 |
| NC | 1.28 | 1.35 | 1.32 | 1.22 | 1.15 |
| OK | 1.18 | 1.22 | 1.20 | 1.21 | 1.16 |
| AL | 1.21 | 1.27 | 1.25 | 1.16 | – |
| SC | 1.24 | 1.31 | 1.27 | 1.15 | – |
| IN | 1.16 | 1.15 | – | 1.14 | – |
| GA | 1.14 | 1.20 | 1.17 | – | – |
| LA | 1.15 | 1.20 | 1.18 | – | – |
Significance was maintained for each state above using 99% confidence intervals. Note that Indiana is considered as being outside the “stroke belt” in some studies, but has been included in it by others. MS, Mississippi; NC North Carolina; OK, Oklahoma; AL, Alabama; SC, South Carolina; IN, Indiana; SC, South Carolina; IN, Indiana; GA, Georgia; LA, Louisiana.
a
Adjusted for age, sex, and race, as well as for the comorbidity and other factors shown in Table 2.