Table 1 Characteristics of patient-reports and proxy-reports among medicare beneficiaries

Age

<0.0001

0.1582

 <65

15.77

32.48

33.56

32.44

 65-74

36.89

19.64

21.16

20.78

 75-84

34.08

25.58

26.00

26.17

 85+

13.26

22.30

19.28

20.60

Gender

<0.0001

0.0277

 Male

44.06

58.38

60.06

58.33

 Female

55.94

41.62

39.94

41.67

Race

<0.0001

0.1233

 Non-Hispanic white

78.56

63.52

66.11

65.01

 Non-Hispanic black

9.54

14.14

13.70

13.33

 Hispanic

7.71

14.60

13.46

14.14

 Other

4.19

7.75

6.74

7.52

Education

<0.0001

0.5539

 Less than high school

24.10

45.40

44.33

43.66

 High school graduate

30.66

30.43

31.40

31.41

 Some college

23.36

13.54

13.95

13.92

 College graduate

21.88

10.63

10.32

11.00

Marital status

<0.0001

0.9837

 Married

50.13

42.28

44.02

43.89

 Widowed

28.68

24.70

23.48

23.59

 Single

21.19

33.01

32.49

32.52

Household size

<0.0001

0.4089

 One person

32.86

12.04

13.33

12.65

 Two people

50.46

49.39

50.40

51.12

 Three or more people

16.68

38.57

36.27

36.23

Income

<0.0001

0.6225

 <$25,000 per year

50.22

71.83

70.69

70.33

 ≥ $25,000 per year

49.78

28.17

29.31

29.67

Medicare status

<0.0001

0.0923

 Aged

83.97

67.29

66.00

67.28

 Disabled

16.03

32.71

34.00

32.72

CCI

0.0442

0.5235

 0

76.62

76.13

76.88

76.62

 1

13.71

13.50

13.53

13.39

 2

6.62

6.79

6.54

6.52

 3+

3.05

3.58

3.05

3.47

Dementia

<0.0001

0.4386

 Yes

5.52

19.42

16.43

16.89

 No

94.48

80.58

83.57

83.11