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. Author manuscript; available in PMC: 2015 Jun 19.
Published in final edited form as: Am J Manag Care. 2014 Mar;20(3):239–248.

Table 1.

Basic Characteristics of Elderly Medicare Health Plan Members, by Race/Ethnicity: The Medicare Health Outcomes Survey, 2012 (n = 236,289)

Percent or Mean
White
n = 176,994 (74.9%)
Hispanic
n = 20,553 (8.7%)
Black
n = 22,729 (9.6%)
American Indian/Alaskan Native
n = 1054 (0.5%)
Asian
n = 8228 (3.5%)
Native Hawaiian/Pacific Islander
n = 729 (0.3%)
Multiracial
n = 6002 (2.5%)
Sociodemographics
 Mean age in yearsa (age) 74.8 73.7 73.9 74.2 74.7 73.1 74.0
 Female a 57.4 58.9 66.4 59.8 53.3 60.6 60.3
 Married a 57.5 48.4 32.4 44.0 63.9 45.7 46.7
 Education ≥some college a 46.6 20.2 27.1 30.4 47.7 31.0 32.6
 Medicaid eligible a 12.3 47.1 38.8 33.8 36.8 33.9 27.3
 Home owner a 74.4 46.8 48.7 56.2 46.1 44.7 60.3
Basic Health Characteristics
 Mean VR-12 PCS Score a 39.7 37.4 36.8 36.2 40.5 39.5 35.8
 Mean VR-12 MCS Score a 52.7 47.6 49.3 48.8 50.0 49.6 49.8
 Mean number of ADL impairments a   0.9   1.4   1.3   1.4   0.9   1.1   1.4
 Mean number of chronic conditions a   3.1   3.4   3.5   3.5   2.8   3.4   3.6
Enrollment Duration in 2012
 Enrolled more than 1 yeara 70.2 61.3 64.5 66.9 64.2 62.1 64.7
Census Region
 Northeast a   6.9   3.9   2.9   4.2   2.9   1.4   5.5
 Mid-Atlantic a 13.8 16.5 16.8 10.9 10.3   4.1 10.9
 East North Central a 16.7   3.5 13.4   9.7   4.0   1.7 11.7
 West North Central a   9.8   1.7   4.7   8.8   3.4   1.2   6.9
 South Atlantic a 15.8 15.6 34.6 15.1   7.5   6.6 20.1
 East South Central a   4.2   0.6   7.2   3.1   0.5   0.4   5.7
 West South Central a   7.5 16.2 13.1 15.2   5.0   1.5 12.8
 Mountain a 13.2 21.4   3.3 18.1   6.0   7.8 10.0
 Pacific a 12.1 20.8   3.9 14.8 60.5 75.3 16.5

ADL impairments indicates having any of 6 activities of daily living impairments (bathing, dressing, eating, getting in/out of chairs, walking, toileting); chronic conditions indicates having any of 14 conditions (hypertension, angina pectoris or coronary artery disease, congestive heart failure, heart attack, other heart condition, stroke, respiratory conditions, inflammatory bowel disease, hip/knee arthritis, hand/wrist arthritis, osteoporosis, sciatica, diabetes, and any cancer); VR-12 PCS and MCS indicate the Veterans-RAND 12-Item Short Form Survey physical and mental component summary scores (0–100 scale, 0 representing worst health.

Census region refers to the region to which an individual belongs, from a total of 9 regions: Northeast (CT, MA, ME, NH, RI, VT), Mid-Atlantic (NJ, N Y, PA), East North Central (IL, IN, MI, OH, WI), West North Central (IA, KS, MN, MO, NE, ND, SD), South Atlantic (DE, DC, FL, GA, MD, NC, SC, VA, WV), East South Central (AL, KY, MS, TN), West South Central (AR, LA, OK, TX), Mountain (AZ, CO, ID, MT, NM, NV, UT, WY), and Pacific (AK, CA, HI, WA, OR).

a

Differences among racial/ethnic groups are statistically significant at P <.003.