Table 3.

Percent of Medicare beneficiaries aged 65 and older, by Discordant (Claims) and Concordant Diabetes Classification Group and characteristics

	Claims-based diabetics (Discordant)	Concordant diabetics (Self-report and claims)
Age
65–74	34.0 (3.7; 65)*	50.8 (2.7; 230)*
75–84	48.3 (4.3; 72)	39.5 (2.5; 148)
85+	17.8 (3.3; 25)*	9.7 (1.7; 28)*
Gender
Male	39.5 (4.2; 62)	45.1 (2.1; 184)
Ethnicity
Hispanic	4.4 (1.7; 9)	7.0 (1.8; 34)
Race
Non-White	13.8 (2.8; 31)	10.2 (1.5; 58)
HH income
(quartiles of SR & Claims group)
Q1 ($15,827 or less)	30.1 (3.8; 50)	26.9 (2.7; 102)
Q2 ($15,828-$30,576)	21.7 (4.0; 33)	24.4 (2.3; 100)
Q3 ($30,577-$49,438)	22.0 (4.5; 37)	23.7 (1.8; 102);
Q4 ($49,439 or more)	26.3 (3.1; 42)	25.0 (2.6; 102)
Health rating	29.9 (3.2; 52)*	21.8 (2.6; 91)*
Excellent/VG	36.7 (3.4; 59)	35.5 (2.7; 144)
Good	33.5 (3.8; 51)	42.8 (4.1; 171)
Fair/Poor
Moderate activity	45.8 (3.5; 72)	44.4 (2.5; 175)
Hardly ever/never
Number of diseases	14.8 (2.7; 22)	9.8 (1.8; 40)
0	41.4 (3.4; 71)	37.5 (2.2; 163)
1	24.5 (3.9; 42)	31.5 (1.7; 124)
2	19.3 (3.6; 27)	21.2 (2.4; 79)
3+
Self-Reported Memory Rating
Excellent/Very good	16.7 (2.8; 26)	20.3 (2.0; 82)
Good	43.4 (3.7; 71)	44.2 (2.2; 173)
Fair/Poor	39.9 (3.1; 65)	35.5 (3.0; 151)
Cognitive Functioning
(TICS Score)
0–8	23.1 (4.3; 39)	18.1 (1.9; 68)
9	21.4 (3.7; 35)	27.4 (2.2; 111)
10	55.5 (5.1; 88)	54.6 (2.6; 227)
Total number of flagged diabetics	162	406

Notes: Standard errors and sample sizes are in parentheses.

Column percentages may not always add to 100 due to rounding error.

*Difference between self-report estimate and claims estimate is statistically significant p < 0.05.

Source: 2006 Health and Retirement Study; 2006 Medicare Beneficiary Annual Summary File.