Table 2.
Case Mix Adjusted Mean CAHPS Scores for Medicare Beneficiaries, California (CA) versus Non-CA, 2008
| Original Scores | Adjusted for MA Enrollment | ||||||
|---|---|---|---|---|---|---|---|
| CAHPS Scores† | CAHPS Scores† | ||||||
| CAHPS Outcomes | California Rank among States‡ | CA | Non-CA | Difference: CA−Non-CA | CA | Non-CA | Difference: CA−Non-CA |
| Physician services | |||||||
| Global rating of personal physician or nurse (0–10) | 45 | 87.46 | 88.19 | −0.73*** | 88.81 | 89.57 | −0.77*** |
| Global rating of specialist (0–10) | 39 | 86.95 | 87.54 | −0.59** | 88.13 | 88.63 | −0.50* |
| Global rating of health care (0–10) | 41 | 82.16 | 82.77 | −0.61*** | 83.54 | 84.12 | −0.58*** |
| Doctor communication (four-item composite) | 47 | 87.05 | 88.01 | −0.96*** | 88.42 | 89.38 | −0.96*** |
| Ease of getting needed care (two-item composite) | 44 | 83.19 | 84.57 | −1.38*** | 83.91 | 85.14 | −1.23*** |
| Immunizations | |||||||
| Getting a flu shot in the previous year | 40 | 63.22 | 63.68 | −0.46 | 64.78 | 65.22 | −0.44 |
| Getting a pneumonia shot | 48 | 51.79 | 55.39 | −3.60*** | 55.61 | 59.33 | −3.71*** |
| Plan services | |||||||
| Global rating of MA plan or fee-for-service (0–10) | 27 | 81.68 | 81.94 | −0.26 | 83.01 | 83.43 | −0.42* |
| Getting care quickly (two-item composite) | 26 | 67.42 | 66.90 | 0.52* | 69.20 | 68.82 | 0.39 |
| Ease of paperwork (stand-alone report item) | 14 | 70.89 | 69.28 | 1.61* | 70.46 | 70.96 | −0.50 |
| Customer service (three-item composite) | 12 | 75.43 | 74.40 | 1.03* | 73.38 | 74.21 | −0.83 |
| Part D prescription drugs | |||||||
| Global rating of prescription drug coverage (0–10) | 14 | 81.63 | 80.64 | 0.99*** | 82.2 | 81.64 | 0.56** |
| Ease of getting needed drugs (three-item composite) | 41 | 88.59 | 89.03 | −0.44* | 87.7 | 88.45 | −0.75*** |
| Getting information on drugs (two-item composite) | 36 | 79.45 | 79.93 | −0.48 | 79.2 | 79.98 | −0.79* |
†
The original scores are case mix adjusted using the standard CAHPS case mix adjustments; scores adjusted for MA enrollment are also adjusted for MA enrollment status. Response scores are linearly rescaled to a 0–100 possible range to facilitate comparisons across measures.
‡
California's rank among the 50 states, District of Columbia, Puerto Rico, and Virgin Islands (total = 53), where rankings are from 1 = highest to 53 = lowest.
*
p<.05
**
p<.01
***
p<.001.
CAHPS, Consumer Assessment of Healthcare Providers and Systems; MA, Medicare Advantage.