Table 4. Effect of MCBS Initial Round Nonresponse Adjustment on Selected Characteristics1.
Characteristic | Respondents Not Adjusted for Nonresponse | Respondents Adjusted for Nonresponse | ||||||
---|---|---|---|---|---|---|---|---|
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Weight | Difference (R-E) | Statistical Significance | Weight | Difference (R-E) | Statistical Significance | |||
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Poststratification Eligibles (E) | Poststratification Respondents (R) | Poststratification Eligibles (E) | MCBS Initial Nonresponse Respondents (R) | |||||
Age (%) | ||||||||
Under 65 Years | 13.6 | 13.9 | 0.25 | * | 13.6 | 13.8 | 0.17 | — |
65-74 Years | 44.0 | 43.9 | -0.05 | — | 44.0 | 44.2 | 0.18 | — |
75-84 Years | 32.6 | 32.4 | -0.19 | — | 32.6 | 32.3 | -0.29 | — |
85 Years or Over | 9.9 | 9.8 | -0.01 | — | 9.9 | 9.8 | -0.06 | — |
Female (%) | 56.6 | 55.8 | -0.76 | *** | 56.6 | 56.4 | -0.19 | — |
White (%) | 86.0 | 85.6 | -0.31 | ** | 86.0 | 85.7 | -0.28 | — |
Enrolled in Medicaid (%) | 12.8 | 13.4 | 0.55 | *** | 12.8 | 13.2 | 0.38 | *** |
Metropolitan Area Status | 72.5 | 70.2 | -2.27 | *** | 72.5 | 72.0 | -0.51 | — |
Original Reason for Medicare Entitlement: Disability (%) | 6.0 | 6.3 | 0.23 | ** | 6.0 | 6.2 | 0.12 | — |
Mean HCC-DCG Score2 | 0.95 | 0.97 | 0.02 | *** | 0.95 | 0.96 | 0.01 | ** |
Total Medicare Expenditures (Dollars) | 4,172 | 4,309 | 137 | *** | 4,172 | 4,257 | 85 | * |
% Users | 88.5 | 89.8 | 1.33 | *** | 89.0 | 89.4 | 0.46 | — |
Expenditure for Inpatient Services (Dollars) | 2,025 | 2,092 | 67 | ** | 2,025 | 2,072 | 47 | — |
% Users | 17.6 | 18.3 | 0.66 | *** | 17.6 | 17.9 | 0.34 | ** |
Expenditures for Part B Services (Dollars) | 1,252 | 1,285 | 34 | *** | 1,252 | 1,273 | 21 | — |
% Users | 87.9 | 88.7 | 0.76 | *** | 87.9 | 88.3 | 0.38 | — |
p<0.1.
p<0.05.
p<0.01.
MCBS community, fee-for-service sample. Beneficiaries with end stage renal disease are excluded.
Diagnosis-based health status index computed from provider bills (claims). A higher hierarchical condition categories-diagnostic cost group (HCC-DCG) score indicates poorer health.
NOTES: MCBS is Medicare Current Beneficiary Survey.
SOURCE: RTI analysis of the 1997-1999 MCBS.