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Table 2—

Profile of access to health care among U.S. adults aged 18–64 years: NHANES 1999–2004*

Access to careDiagnosed diabetes
Undiagnosed diabetes
Nondiabetic population
n/NEstimated % (95% CI)n/NEstimated % (95% CI)n/NEstimated % (95% CI)
Financing       
    Uninsured 144/704 19.3 (14.0–26.1) 38/110 36.6 (32.8–40.6) 1,314/4,782 21.2 (19.4–23.2) 
    Covered by private insurance in insured 388/560 76.6 (66.2–84.6) 57/72 89.9 (83.0–94.2) 2,893/3,468 88.4 (87.1–89.7) 
Continuity of insurance coverage       
    Uninsured >1 year 66/647 10.9 (6.8–17.1) 24/101 25.6 (21.0–30.8) 541/4,239 11.9 (10.3–13.7) 
    Uninsured ≤1 year 63/647 11.6 (7.0–18.5) 14/101 12.4 (6.9–21.4) 572/4,239 11.3 (9.9–12.9) 
    Continuously insured over past year 518/647 77.5 (71.4–82.7) 63/101 62. 0 (54.7–68.7) 3,126/4,239 76.8 (74.6–78.8) 
Utilization       
    Number of times received health care over past year       
None 27/704 2.4 (1.4–4.0) 27/110 24.0 (19.4–29.3) 979/4,781 19.5 (17.9–21.2) 
Once a year 57/704 4.9 (3.3–7.4) 18/110 9.2 (6.2–13.3) 1,004/4,781 21.5 (19.9–23.3) 
Two to three 158/704 29.8 (22.1–38.9) 26/110 33.8 (26.4–42.0) 1,279/4,781 27.6 (26.3–28.9) 
Four or more 462/704 62.8 (54.2–70.7) 39/110 33.0 (26.0–40.9) 1,519/4,781 31.4 (29.7–33.1) 
Routine patterns of health care utilization       
    No place 34/704 3.0 (1.5–6.0) 17/110 14.1 (10.7–18.4) 1,017/4,781 18.1 (16.7–19.7) 
    Hospital emergency room, outpatient department, or other 63/704 5.2 (3.3–8.1) 4/110 2.0 (0.8–4.8) 273/4,781 5.0 (4.4–5.7) 
    Clinic or health care centers 179/704 20.2 (13.8–28.5) 26/110 15.2 (9.7–22.9) 969/4,781 17.8 (15.0–21.0) 
    Doctor's office or HMO 428/704 71.7 (63.2–78.8) 63/110 68.7 (61.4–75.2) 2,522/4,781 59.0 (56.5–61.5) 
Access to careDiagnosed diabetes
Undiagnosed diabetes
Nondiabetic population
n/NEstimated % (95% CI)n/NEstimated % (95% CI)n/NEstimated % (95% CI)
Financing       
    Uninsured 144/704 19.3 (14.0–26.1) 38/110 36.6 (32.8–40.6) 1,314/4,782 21.2 (19.4–23.2) 
    Covered by private insurance in insured 388/560 76.6 (66.2–84.6) 57/72 89.9 (83.0–94.2) 2,893/3,468 88.4 (87.1–89.7) 
Continuity of insurance coverage       
    Uninsured >1 year 66/647 10.9 (6.8–17.1) 24/101 25.6 (21.0–30.8) 541/4,239 11.9 (10.3–13.7) 
    Uninsured ≤1 year 63/647 11.6 (7.0–18.5) 14/101 12.4 (6.9–21.4) 572/4,239 11.3 (9.9–12.9) 
    Continuously insured over past year 518/647 77.5 (71.4–82.7) 63/101 62. 0 (54.7–68.7) 3,126/4,239 76.8 (74.6–78.8) 
Utilization       
    Number of times received health care over past year       
None 27/704 2.4 (1.4–4.0) 27/110 24.0 (19.4–29.3) 979/4,781 19.5 (17.9–21.2) 
Once a year 57/704 4.9 (3.3–7.4) 18/110 9.2 (6.2–13.3) 1,004/4,781 21.5 (19.9–23.3) 
Two to three 158/704 29.8 (22.1–38.9) 26/110 33.8 (26.4–42.0) 1,279/4,781 27.6 (26.3–28.9) 
Four or more 462/704 62.8 (54.2–70.7) 39/110 33.0 (26.0–40.9) 1,519/4,781 31.4 (29.7–33.1) 
Routine patterns of health care utilization       
    No place 34/704 3.0 (1.5–6.0) 17/110 14.1 (10.7–18.4) 1,017/4,781 18.1 (16.7–19.7) 
    Hospital emergency room, outpatient department, or other 63/704 5.2 (3.3–8.1) 4/110 2.0 (0.8–4.8) 273/4,781 5.0 (4.4–5.7) 
    Clinic or health care centers 179/704 20.2 (13.8–28.5) 26/110 15.2 (9.7–22.9) 969/4,781 17.8 (15.0–21.0) 
    Doctor's office or HMO 428/704 71.7 (63.2–78.8) 63/110 68.7 (61.4–75.2) 2,522/4,781 59.0 (56.5–61.5) 
*

Data source: NHANES 1999–2004; analytic population included participants with diagnosed diabetes, undiagnosed diabetes, and no diabetes; estimated percentages for the U.S. were weighted by morning fasting sample weights and adjusted by age, sex, and race/ethnicity.

Fifty-seven of 704 subjects with diagnosed diabetes, 9 of 110 subjects with undiagnosed diabetes, and 543 of 4,782 subjects without diabetes did not report their continuity of insurance coverage.

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