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Table 1 Demographic Characteristics of the 2005 Medicare Random 5% Sample and FFS Study Cohort

From: Prevalence of multiple chronic conditions in the United States' Medicare population

Beneficiary Demographics

Random 5% Sample1

Study Cohort2

 

Number

%

Number

%

All

2,232,528

100.0

1,649,574

100.0

Sex

    

Male

985,629

44.1

71,5925

43.4

Female

1,246,899

55.9

933,649

56.6

Race

    

White

1,870,224

83.8

1,407,709

85.3

Black

220,950

9.9

158,517

9.6

Hispanic

53,325

2.4

32,945

2.0

Asian

37,313

1.7

21,632

1.3

Native American

9,209

0.4

7,083

0.4

Other/Unknown

41,507

1.9

21,688

1.3

Age 3

    

<65

349,167

15.6

254,457

15.4

65-74

936,988

42.0

641,699

38.9

75-84

670,917

30.1

531,282

32.2

85+

275,456

12.3

222,136

13.5

  1. 1Includes random 5% sample of Medicare beneficiaries who were eligible for or enrolled in Medicare on or after January 1, 2005.
  2. 2Includes beneficiaries with at least 11 months of Part A and B coverage and no more than one month of managed care coverage.
  3. 3Age is calculated based on the age of the beneficiary as of December 31, 2005. If the beneficiary expired, the age is calculated based on age at the time of death.
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