Table 4.
Logistic regression using “Ever Received SNF” as the outcome variable
| Variables | P Value | Estimated Odds Ratio | 95% Confidence Interval |
|---|---|---|---|
| All patients | |||
| Age | <.0001 | 1.05 | 1.05–1.06 |
| Sex: female (reference: male) | .0046 | 1.13 | 1.04–1.23 |
| Median household Income (reference: >$80,000) | |||
| 0–$40,000 | .0232 | 1.18 | 1.02–1.36 |
| $40,000–$80,000 | .5036 | 1.04 | 0.92–1.17 |
| Hemorrhagic stroke (reference: ischemic stroke) | .0002 | 0.78 | 0.68–0.89 |
| Acute care LOS | <.0001 | 1.16 | 1.14–1.17 |
| KP service area (reference: Capital) | |||
| Central CA | .0020 | 0.72 | 0.59–0.89 |
| East Bay | <.0001 | 1.59 | 1.39–1.82 |
| Golden Gate | .0312 | 1.16 | 1.01–1.32 |
| North East Bay | .0046 | 0.82 | 0.72–0.94 |
| South Bay | .0005 | 0.78 | 0.68–0.90 |
| Year of acute care discharge (reference: 2003) | |||
| 1996 | <.0001 | 1.84 | 1.55–2.18 |
| 1997 | <.0001 | 1.81 | 1.52–2.16 |
| 1998 | <.0001 | 1.61 | 1.37–1.91 |
| 1999 | <.0001 | 1.57 | 1.33–1.84 |
| 2000 | .2599 | 1.10 | 0.93–1.29 |
| 2001 | .7641 | 1.03 | 0.87–1.20 |
| 2002 | .4848 | 1.06 | 0.90–1.24 |
| With hemorrhagic stroke | |||
| Age | <.0001 | 1.06 | 1.05–1.07 |
| Acute care LOS | <.0001 | 1.08 | 1.06–1.11 |
| KP service area (reference: Capital) | |||
| Central CA | .0518 | 0.54 | 0.29–1.00 |
| East Bay | <.0001 | 2.35 | 1.59–3.48 |
| Golden Gate | .3742 | 1.18 | 0.82–1.70 |
| North East Bay | .0494 | 1.49 | 1.00–2.21 |
| South Bay | .0037 | 0.64 | 0.47–0.86 |
| Year of acute care discharge (reference: 2003) | |||
| 1996 | .0032 | 2.04 | 1.27–3.29 |
| 1997 | .0024 | 2.14 | 1.31–3.49 |
| 1998 | .0024 | 1.95 | 1.27–3.00 |
| 1999 | .0096 | 1.73 | 1.14–2.62 |
| 2000 | .4028 | 1.20 | 0.78–1.83 |
| 2001 | .1033 | 1.42 | 0.93–2.15 |
| 2002 | .9546 | 0.99 | 0.64–1.53 |
| With ischemic stroke | |||
| Age | <.0001 | 1.05 | 1.05–1.05 |
| Sex: female (reference: male) | <.0001 | 1.21 | 1.10–1.32 |
| Median household income (Reference: 80,000) | |||
| 0–$40,000 | .0007 | 1.31 | 1.12–1.52 |
| $40,000–$80,000 | .0765 | 1.12 | 0.99–1.27 |
| Acute care LOS | <.0001 | 1.22 | 1.20–1.24 |
| KP service area (reference: Capital) | |||
| Central CA | .0022 | 0.71 | 0.57–0.88 |
| East Bay | <.0001 | 1.48 | 1.28–1.71 |
| Golden Gate | .1148 | 1.12 | 0.97–1.29 |
| North East Bay | .0002 | 0.76 | 0.66–0.88 |
| South Bay | .0717 | 0.86 | 0.74–1.01 |
| Year of acute care discharge (reference: 2003) | |||
| 1996 | <.0001 | 1.83 | 1.52–2.20 |
| 1997 | <.0001 | 1.74 | 1.44–2.11 |
| 1998 | <.0001 | 1.60 | 1.33–1.91 |
| 1999 | <.0001 | 1.55 | 1.30–1.84 |
| 2000 | .3450 | 1.09 | 0.91–1.30 |
| 2001 | .7126 | 0.97 | 0.81–1.15 |
| 2002 | .5558 | 1.05 | 0.88–1.25 |