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Table 2—

Percentage differences and 95% CIs in performance of processes of care by health plan profit status and provider group model type, adjusted for clustering and patient-level covariates.

For-profit health plans (group/network − IPA)Nonprofit health plans (group/network − IPA)Nonprofit health plans (Group/staff − IPA)
Dilated eye exam 81 − 71 = 10 (3–18)* 79 − 75 = 4 (−7 to 15) 81 − 75 = 6 (−12 to 23) 
Urine protein check 81 − 60 = 21 (10–31)* 76 − 77 = −1 (−17 to 15) 86 − 77 = 9 (−10 to 27) 
Foot exam 91 − 82 = 10 (4–16)* 87 − 82 = 6 (−7 to 19) 84 − 82 = 2 (−14 to 19) 
Lipid check 75 − 62 = 13 (4–21)* 59 − 65 = −6 (−22 to 10) 70 − 65 = 6 (−28 to 39) 
HbA1c check 91 − 84 = 6 (1–12)* 87 − 84 = 2 (−6 to 11) 87 − 84 = 2 (−17 to 21) 
Aspirin advice 45 − 45 = 0 (−6 to 7) 60 − 55 = 6 (−12 to 23) 60 − 55 = 5 (−14 to 25) 
Influenza vaccine 73 − 58 = 15 (8–23)* 67 − 66 = 2 (−12 to 15) 69 − 66 = 3 (−13 to 19) 
Composite (mean) 5.5 − 4.7 = 0.7 (0.4–1.0)* 5.1 − 5.0 = 0.0 (−0.3 to 0.3) 5.3 − 5.0 = 0.3 (−0.5 to 1.0) 
HbA1c <8% 37 − 39 = −2 (−8 to 5) 48 − 47 = 0 (−6 to 8) 50 − 47 = 3 (−21 to 27) 
LDL <130 mg/dl 27 − 29 = −2 (−9 to 5) 26 − 26 = 0 (−7 to 6) 30 − 26 = 4 (−11 to 18) 
Systolic blood pressure <140 mmHg 46 − 42 = 3 (−3 to 10) 39 − 42 = −3 (−9 to 4) 47 − 42 = 5 (−7 to 18) 
For-profit health plans (group/network − IPA)Nonprofit health plans (group/network − IPA)Nonprofit health plans (Group/staff − IPA)
Dilated eye exam 81 − 71 = 10 (3–18)* 79 − 75 = 4 (−7 to 15) 81 − 75 = 6 (−12 to 23) 
Urine protein check 81 − 60 = 21 (10–31)* 76 − 77 = −1 (−17 to 15) 86 − 77 = 9 (−10 to 27) 
Foot exam 91 − 82 = 10 (4–16)* 87 − 82 = 6 (−7 to 19) 84 − 82 = 2 (−14 to 19) 
Lipid check 75 − 62 = 13 (4–21)* 59 − 65 = −6 (−22 to 10) 70 − 65 = 6 (−28 to 39) 
HbA1c check 91 − 84 = 6 (1–12)* 87 − 84 = 2 (−6 to 11) 87 − 84 = 2 (−17 to 21) 
Aspirin advice 45 − 45 = 0 (−6 to 7) 60 − 55 = 6 (−12 to 23) 60 − 55 = 5 (−14 to 25) 
Influenza vaccine 73 − 58 = 15 (8–23)* 67 − 66 = 2 (−12 to 15) 69 − 66 = 3 (−13 to 19) 
Composite (mean) 5.5 − 4.7 = 0.7 (0.4–1.0)* 5.1 − 5.0 = 0.0 (−0.3 to 0.3) 5.3 − 5.0 = 0.3 (−0.5 to 1.0) 
HbA1c <8% 37 − 39 = −2 (−8 to 5) 48 − 47 = 0 (−6 to 8) 50 − 47 = 3 (−21 to 27) 
LDL <130 mg/dl 27 − 29 = −2 (−9 to 5) 26 − 26 = 0 (−7 to 6) 30 − 26 = 4 (−11 to 18) 
Systolic blood pressure <140 mmHg 46 − 42 = 3 (−3 to 10) 39 − 42 = −3 (−9 to 4) 47 − 42 = 5 (−7 to 18) 

Data are percentage difference (95% CI). Percentages and differences are rounded up.

*

Significant difference between for-profit group/network and for-profit IPA models at P < 0.001, except for dilated eye exam, lipids, and HbA1c, which were significant at P < 0.01, P < 0.01, and P = 0.027, respectively. No significant differences between other model types existed.

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