Table 3.
Logistic Regressions Investigating Factors Affecting Use of Different Types of Medicare Services by ALF Residents during a 6-Month Period, 1998–1999 (N=65,016; n=536)
| Type of Claim | Acute/PostacuteR2Logistic=0.11 Odds Ratio (95% CI)* | Outpatient R2Logistic=0.08 Odds Ratio (95% CI) |
|---|---|---|
| Individual characteristics | ||
| Age<80 | 0.96 (0.50, 1.84) | 0.53 (0.29, 0.95)* |
| Female | 1.19 (0.60, 2.38) | 1.66 (0.96, 2.85) |
| Cognitive deficit | ||
| Mild | 2.66 (0.53, 13.41) | 0.61 (0.07, 5.24) |
| Moderate | 3.51 (0.69, 17.79) | 1.21 (0.10, 14.97) |
| Severe | — | — |
| Marital status | ||
| Married | 1.71 (0.43, 6.76) | 1.10 (0.32, 3.81) |
| Divorced/separated | 1.20 (0.49, 2.97) | 0.85 (0.38, 1.89) |
| Widowed | 1.99 (0.39, 10.17) | 1.38 (0.49, 3.93) |
| Single | — | — |
| No ADL help needed | 0.40 (0.20, 0.79)** | 1.86 (0.90, 3.87) |
| Urinary incontinence >2 times in last week | 2.00 (1.03, 3.87)** | 2.42 (1.01, 5.81)* |
| Length of stay | ||
| 0–6 month | 0.69 (0.29, 1.64) | 1.06 (0.58, 1.93) |
| 6 months–1 year | 0.80 (0.41, 1.54) | 1.57 (0.59, 4.18) |
| Greater than 1 year | — | — |
| Utilization history based on survey data | ||
| Hospital stay in last 12 months | 1.13 (0.69, 1.87) | 0.72 (0.38, 1.36) |
| ER visit in last 12 months | 0.89 (0.39, 1.99) | 1.13 (0.56, 2.26) |
| ALF characteristics | ||
| For-profit ownership | 1.30 (0.77, 2.20) | 1.12 (0.64, 1.94) |
| Size (# of beds) | ||
| 11–25 | 0.59 (0.26, 1.35) | 1.01 (0.37, 2.73) |
| 26–50 | 1.10 (0.59, 2.04) | 0.85 (0.41, 1.75) |
| 51–100 | 0.86 (0.39, 1.91) | 0.49 (0.21, 1.12) |
| >100 | — | — |
| Occupancy 0–91.7% | 1.25 (0.75, 2.09) | 1.46 (0.87, 2.45) |
| Multilevel campus | 0.63 (0.33, 1.18) | 0.66 (0.31,1.38) |
| Lower service | 0.76 (0.37, 1.56) | 0.99 (0.56, 1.77) |
| Lower privacy | 0.76 (0.36, 1.59) | 1.53 (0.64, 3.64) |
| Price <$1,695 per month | 0.89 (0.55, 1.42) | 0.62 (0.35, 1.09) |
| Metropolitan location | 0.94 (0.40, 2.18) | 0.77 (0.32, 1.83) |
*
p-value <.05;
**
p-value <.01.
*
See Shah, Barnwell and Bieler (1996) for definition of R2Logistic.
ALF, assisted living facility; ADL, activity of daily living; N, population estimate; n, sample size.